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MAX4511ESE+T

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MAX4511ESE+T

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Part Number MAX4511ESE+T
Manufacturer Maxim Integrated
Description IC SWITCH QUAD SPST 16SOIC
Datasheet MAX4511ESE+T Datasheet
Package 16-SOIC (0.154", 3.90mm Width)
In Stock 15,448 piece(s)
Unit Price $ 3.6475 *
Lead Time Can Ship Immediately
Estimated Delivery Time Nov 2 - Nov 7 (Choose Expedited Shipping)
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Part Number # MAX4511ESE+T (Interface - Analog Switches, Multiplexers, Demultiplexers) is manufactured by Maxim Integrated and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

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MAX4511ESE+T Specifications

ManufacturerMaxim Integrated
CategoryIntegrated Circuits (ICs) - Interface - Analog Switches, Multiplexers, Demultiplexers
Datasheet MAX4511ESE+TDatasheet
Package16-SOIC (0.154", 3.90mm Width)
Series-
Switch CircuitSPST - NC
Multiplexer/Demultiplexer Circuit1:1
Number of Circuits4
On-State Resistance (Max)160 Ohm
Channel-to-Channel Matching (ΔRon)-
Voltage - Supply, Single (V+)9 V ~ 36 V
Voltage - Supply, Dual (V±)��4.5 V ~ 18 V
Switch Time (Ton, Toff) (Max)500ns, 400ns
-3db Bandwidth-
Charge Injection1.5pC
Channel Capacitance (CS(off), CD(off))10pF, 5pF
Current - Leakage (IS(off)) (Max)500pA
Crosstalk-66dB @ 1MHz
Operating Temperature-40°C ~ 85°C (TA)
Package / Case16-SOIC (0.154", 3.90mm Width)
Supplier Device Package16-SO

MAX4511ESE+T Datasheet

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General Description The MAX4511/MAX4512/MAX4513 are quad, single- pole/single-throw (SPST), fault-protected analog switch- es. They are pin-compatible with the industry-standard nonprotected DG201/DG202/DG213. These new switch- es feature fault-protected inputs and Rail-to-Rail® signal handling capability. The normally open (NO_) and normally closed (NC_) terminals are protected from overvoltage faults up to 36V during power-up or power-down. During a fault condition, the NO_ or NC_ terminal becomes an open circuit and only nanoamperes of leakage current flow from the source, but the switch output (COM_) furnishes up to 10mA of the appropriate polarity supply voltage to the load. This ensures unam- biguous rail-to-rail outputs when a fault begins and ends. On-resistance is 175Ω max and is matched between switches to 10Ω max. The off-leakage current is only 0.5nA at +25°C and 10nA at +85°C. The MAX4511 has four normally closed switches. The MAX4512 has four normally open switches. The MAX4513 has two normally closed and two normally open switches. These CMOS switches can operate with dual power supplies ranging from ±4.5V to ±18V or a single supply between +9V and +36V. All digital inputs have +0.8V and +2.4V logic thresh- olds, ensuring both TTL- and CMOS-logic compatibility when using ±15V or a single +12V supply. Applications Features  ±40V Fault Protection with Power Off ±36V Fault Protection with ±15V Supplies  All Switches Off with Power Off  Rail-to-Rail Signal Handling  Output Clamped to Appropriate Supply Voltage During Fault Condition; No Transition Glitch  175Ω max Signal Paths with ±15V Supplies  No Power-Supply Sequencing Required  ±4.5V to ±18V Dual Supplies +9V to +36V Single Supply  Low Power Consumption, <2mW  Four Separately Controlled SPST Switches  Pin-Compatible with Industry-Standard DG411/DG412/DG413, DG201/DG202/DG213  TTL- and CMOS-Compatible Logic Inputs with Single +9V to +15V or ±15V Supplies For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 408-737-7600 ext. 3468. M A X 4 5 1 1 /M A X 4 5 1 2 /M A X 4 5 1 3 Quad, Rail-to-Rail, Fault-Protected, SPST Analog Switches ________________________________________________________________ Maxim Integrated Products 1 TOP VIEW DIP/SO/TSSOP MAX4511 LOGIC SWITCH 0 1 ON OFF 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 IN2 COM2 NC2 V+V- NC1 COM1 IN1 MAX4511 N.C. NC3 COM3 IN3IN4 COM4 NC4 GND N.C. = NOT CONNECTED SWITCHES SHOWN FOR LOGIC "0" INPUT. ALL SWITCHES ARE OFF WITH POWER REMOVED. 19-4760; Rev 1; 8/02 Ordering Information continued at end of data sheet. *Contact factory for dice specifications. Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. Ordering Information PART TEMP RANGE PIN-PACKAGE MAX4511C/D 0°C to +70°C Dice* MAX4511CPE 0°C to +70°C 16 Plastic DIP MAX4511CSE 0°C to +70°C 16 Narrow SO Continued at end of data sheet. MAX4511EPE -40°C to +85°C 16 Plastic DIP MAX4511MJE -55°C to +125°C 16 CERDIP MAX4511ESE -40°C to +85°C 16 Narrow SO Pin Configurations/ Functional Diagrams/Truth Tables ATE Equipment Data Acquisition Industrial and Process- Control Systems Avionics Redundant/Backup Systems MAX4511CUE 0°C to +70°C 16 TSSOP MAX4511EUE -40°C to +85°C 16 TSSOP

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M A X 4 5 1 1 /M A X 4 5 1 2 /M A X 4 5 1 3 Quad, Rail-to-Rail, Fault-Protected, SPST Analog Switches 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS—Dual Supplies (V+ = +15V, V- = -15V, GND = 0V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Note 1: COM_ and IN_ pins are not fault protected. Signals on COM_ or IN_ exceeding V+ or V- are clamped by internal diodes. Limit forward diode current to maximum current rating. Note 2: NC_ and NO_ pins are fault protected. Signals on NC_ or NO_ exceeding -36V to +36V may damage the device. These limits apply with power applied to V+ or V-, or ±40V with V+ = V- = 0. (Voltages Referenced to GND) V+ ........................................................................-0.3V to +44.0V V- .........................................................................-44.0V to +0.3V V+ to V-................................................................-0.3V to +44.0V COM_, IN_ (Note 1) ..............................(V- - 0.3V) to (V+ + 0.3V) NC_, NO_ (Note 2)..................................(V+ - 36V) to (V- + 36V) NC_, NO_ to COM_ .................................................-36V to +36V Continuous Current into Any Terminal..............................±30mA Peak Current into Any Terminal (pulsed at 1ms, 10% duty cycle)...................................±50mA Continuous Power Dissipation (TA = +70°C) (Note 2) Plastic DIP (derate 10.53mW/°C above +70°C) ...........842mW Narrow SO (derate 8.70mW/°C above +70°C) .............696mW TSSOP (derate 9.4mW/°C above +70°C) ..................754.7mW CERDIP (derate 10.00mW/°C above +70°C)................800mW Operating Temperature Ranges MAX451_C_ E ......................................................0°C to +70°C MAX451_E_ E ...................................................-40°C to +85°C MAX451_MJE .................................................-55°C to +125°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C Applies with power on or off (Note 2) VCOM_ = ±14V; VNO_, VCOM = 14V VCOM_ = ±10V, ICOM_ = 1mA VCOM_ = ±10V, ICOM_ = 1mA CONDITIONS C, E, M -20 20 nAICOM_(OFF) -0.5 0.01 0.5 V-36 36VNO_, VNC_ Fault-Protected Analog Signal Range ∆RON COM_ -NO_ or COM_ -NC_ On-Resistance Match Between Channels (Note 4) Ω 250 RON COM_ -NO_ or COM_ -NC_ On-Resistance 125 160 UNITSMIN TYP MAX (Note 3) SYMBOLPARAMETER C, E +25°C +25°C +25°C TA Applies with power on or off (Note 2) C, E, M VV- V+VNO_, VNC_Fault-Free Analog Signal Range M 3 6 Ω 15M Applies with power on or off (Note 1) C, E, M VV- - 0.3 V+ + 0.3VCOM_ Non-Protected Analog Signal Range (COM_ Output) ANALOG SWITCH 200C, E C, E 10 COM_ Off Leakage Current (Note 5) VCOM_ = ±14V; VNO_, VCOM = 14V NO_ or NC_ Off Leakage Current (Note 5) nA INO_(OFF), INC_(OFF) -0.5 0.01 0.5+25°C -10 10C, E -200 200M ± -10 10C, E -200 200M VCOM_ = ±14V nAICOM_(ON) COM_ On Leakage Current (Note 5) -0.5 0.01 0.5+25°C -400 400M ±

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M A X 4 5 1 1 /M A X 4 5 1 2 /M A X 4 5 1 3 Quad, Rail-to-Rail, Fault-Protected, SPST Analog Switches _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS—Dual Supplies (continued) (V+ = +15V, V- = -15V, GND = 0V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) VNO_ or VNC_ = ±33V VNO_ or VNC_ = ±33V CONDITIONS +25°C tONTurn-On Time 600 kΩRCOM_ COM_ On Output Resistance, Supplies On 1 2.5 nA -10 10 ICOM_ COM_ Output Leakage Current, Supplies On UNITS MIN TYP MAX (Note 3) SYMBOLPARAMETER +25°C +25°C TA VNO_ or VNC_ = 33V mAICOM_ COM_ On Output Current, Supplies On 8 11 13 +25°C VNO_ or VNC_ = ±40V, V+ = 0, V- = 0 µA-10 10 INO_, INC_ NO_ or NC_ Input Leakage Current, Supplies Off M nA -200 200 +25°C M -1 1 µA 1.9 2.4 VVIN_HIN_ Input Logic Threshold High C, E, M 900M VCOM_ = ±10V, RL_ = 2kΩ, Figure 3 nstBBM Break-Before-Make Time Delay (MAX4513 Only) 50 100+25°C -1 0.03 1 VIN_ = 0.8V or 2.4V µAIINH_, IINL IN_ Input Current Logic High or Low +25°C C, E -200 200 C, E VNO_ or VNC_ = -33V -12 -10 -7 C, E, M C, E, M -5 5 C, E 350 500 VCOM_ = ±10V, RL_ = 2kΩ, Figure 2 ns tOFFTurn-Off Time 500C, E 750M 200 400 VCOM_ = ±10V, RL_ = 2kΩ, Figure 2 ns +25°C 3 VNO_ or VNC_ = ±25V, VCOM_ = 10V µA-10 10 INO_, INC_ NO_ or NC_ Off Input Leakage Current, Supplies On M nA -200 200 +25°C C, E -20 20 -20 0.1 20 ± SWITCH DYNAMIC CHARAC- CL = 1.0nF, VNO_ = 0, RS = 0Ω, Figure 4 pCQCharge Injection (Note 6) 1.5 5+25°C f = 1MHz, Figure 5 pFCN_(OFF)NO_ or NC_ Off-Capacitance 10+25°C f = 1MHz, Figure 5 pFCCOM_(OFF)COM_ Off-Capacitance 5+25°C f = 1MHz, Figure 5 pFCCOM_(ON)COM_ On-Capacitance 10+25°C LOGIC INPUT RL = 50Ω, CL = 15pF, VN_ = 1VRMS, f = 1MHz, Figure 6 dBVCISOOff Isolation (Note 7) -62+25°C RL = 50Ω, CL = 15pF, VN_ = 1VRMS, f = 1MHz, Figure 6 dBVCT Channel-to-Channel Crosstalk (Note 9) -66+25°C 0.8 1.9 VVIN_LIN_ Input Logic Threshold Low C, E, M FAULT (V+ = +15V, V- = -15V, unless otherwise noted.) L I I P T S IT Y I TERISTICS

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All VIN_ = 0 or 15V M A X 4 5 1 1 /M A X 4 5 1 2 /M A X 4 5 1 3 Quad, Rail-to-Rail, Fault-Protected, SPST Analog Switches 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS—Dual Supplies (continued) (V+ = +15V, V- = -15V, GND = 0V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) CONDITIONS UNITS MIN TYP MAX (Note 3) SYMBOLPARAMETER TA Power-Supply Range V+, V- C,E, M ±4.5 ±18 V V+ Supply Current I+ All VIN_ = 0 or 5V +25°C 280 400 µA V- Supply Current I- All VIN_ = 0 or 5V +25°C 90 200 µA GND Supply Current IGND All VIN_ = 0 or 15V +25°C -1 0.01 1 µA 600C, E, M C, E, M 300 C, E, M 10 +25°C 150 250 µA C, E, M 450 All VIN_ = 5V POWER SUPPLY

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M A X 4 5 1 1 /M A X 4 5 1 2 /M A X 4 5 1 3 Quad, Rail-to-Rail, Fault-Protected, SPST Analog Switches _______________________________________________________________________________________ 5 ELECTRICAL CHARACTERISTICS—Single +12V Supply (V+ = +10.8V to +13.2V, V- = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) Applies with power on or off (Note 2) C, E, M V Applies with power on or off (Note 2) 0 V+VNO_, VNC_Fault-Free Analog Signal Range V+ = 12V; VCOM _ = 0; VNO_, VNC_ = 12V V+ = 12V, VCOM_ = 10V, ICOM_ = 1mA V+ = 12V, VCOM_ = 10V, ICOM_ = 1mA M 20 CONDITIONS C, E, M Applies with power on or off (Note 1) C, E, M V-0.3 V+ + 0.3VCOM_ Non-Protected Analog Signal Range (COM_ Output) V+ = 12V; VCOM_ = 10V; VNO_, VNC = 0 or 12V nA Ω ION_(OFF), INC_(OFF) 30M NO_ or NC_ Off Leakage Current (Notes 5, 9) -0.5 0.01 0.5+25°C nAICOM_(OFF) COM_ Off Leakage Current (Notes 5, 9) -0.5 0.01 0.5 V-36 36VNO_, VNC_ Fault-Protected Analog Signal Range ∆RON COM_ -NO_ or COM_ -NC_ On-Resistance Match Between Channels (Note 4) Ω 525 RON COM_ -NO_ or COM_ -NC_ On-Resistance UNITS MIN TYP MAX (Note 3) SYMBOLPARAMETER +25°C C, E C, E TA +25°C +25°C 4 10 260 390 450 -10 10C, E M -200 200 -10 10C, E -200 200M V+ = 12V, VCOM_ = 10V or 12V -20 20C, E nAICOM_(ON) COM_ On Leakage Current (Notes 5, 9) -400 400M -0.5 0.01 0.5+25°C VNO_ or VNC_ = ±25V, VCOM_ = 0, V+ = 12V -200 200C, E nA INO_, INC_ NO_ or NC_ Off Input Leakage Current, Supply On -10 10M -20 20+25°C VNO_ or VNC_ = ±40V, V+ = 0, V- = 0 -200 200C, E nA INO_, INC_ NO_ or NC_ Input Leakage Current, Supply Off -10 10M -20 0.1 20+25°C VNO_ or VNC_ = 25V, V+ = 12V 2 3 5 mAICOM_ COM_ Output Current, Supply On +25°C VNO_ or VNC_ = 10V V+ = 12V kΩRCOM_ COM_ Output Resistance, Supply On 2.4 5+25°C µA µA VNO_ or VNC_ = ±30V, V+ = 12V -200 200C, E nA ICOM_ COM_ Output Leakage Current, Supply On -1 1M -10 10+25°C µA FAULT ANALOG SWITCH

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µA M A X 4 5 1 1 /M A X 4 5 1 2 /M A X 4 5 1 3 Quad, Rail-to-Rail, Fault-Protected, SPST Analog Switches 6 _______________________________________________________________________________________ Note 1: COM_ and IN_ pins are not fault protected. Signals on COM_ or IN_ exceeding V+ or V- are clamped by internal diodes. Limit forward diode current to maximum current rating. Note 2: NC_ and NO_ pins are fault protected. Signals on NC_ or NO_ exceeding -36V to +36V may damage the device. These limits apply with power applied to V+ or V-, or ±40V with V+ = V- = 0. Note 3: The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column. Note 4: ∆RON = ∆RON(MAX) - ∆RON(MIN). Note 5: Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at TA = +25°C. Note 6: Guaranteed by design. Note 7: Off isolation = 20 log10 [ VCOM_ / (VNC_ or VNO_) ], VCOM_ = output, VNC_ or VNO_ = input to off switch. Note 8: Between any two switches. Note 9: Leakage testing for single-supply operation is guaranteed by testing with dual supplies. ELECTRICAL CHARACTERISTICS—Single +12V Supply (continued) (V+ = +10.8V to +13.2V, V- = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) VCOM_ = 10V, RL_ = 2kΩ, Figure 2 CONDITIONS VCOM_ = 10V, RL_ = 2kΩ, Figure 3 nstONTurn-On Time 1.8 2.4 500 1000 VVIN_HIN_ Input Logic Threshold High C, E, M 0.8 1.8 VVIN_LIN_ Input Logic Threshold Low C, E, M VCOM_ = 10V, RL_ = 2kΩ, Figure 2 ns -1 0.03 1 tOFFTurn-Off Time 400 900 ns +25°C tBBM Break-Before-Make Time Delay (MAX4513 Only) 50 100+25°C VIN_ = 0.8V or 2.4V µAIIN_H, IIN_L UNITS MIN TYP MAX (Note 3) SYMBOLPARAMETER IN_ Input Current Logic High or Low +25°C +25°C TA LOGIC INPUT C, E, M -5 5 C, E, M C, E, M 1500 1200 CL = 1.0nF, VNO_ = 0, RS = 0Ω, Figure 4 pCQCharge Injection (Note 6) 1 5+25°C f = 1MHz, Figure 5 pFCN_ (OFF)NO_ or NC_ Off Capacitance 9+25°C VCOM_ = GND, f = 1MHz, Figure 5 pFCCOM_ (OFF)COM_ Off Capacitance 9+25°C VCOM_ = VNO_ = GND, f = 1MHz, Figure 5 pFCCOM_ (ON)COM_ On Capacitance 22+25°C RL = 50Ω, CL = 15pF, VN_ = 1VRMS, f = 1MHz, Figure 6 dBVISOOff Isolation (Note 7) -62+25°C RL = 50Ω, CL = 15pF, VN_ = 1VRMS, f = 1MHz, Figure 5 dBVCT Channel-to-Channel Crosstalk (Note 8) -65+25°C VV+Power-Supply Range 9 36C,E, M All VIN_ = 0 or 5V µAI+V+ Supply Current 150 300+25°C All VIN_ = 0 or 12V IGNDV- and GND Supply Current 50 100+25°C All VIN_ = 5V µA 150 300+25°C 450C, E, M C, E, M C, E, M 200 450 SWITCH DYNAMIC CHARACTERISTICS POWER SUPPLY

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M A X 4 5 1 1 /M A X 4 5 1 2 /M A X 4 5 1 3 Quad, Rail-to-Rail, Fault-Protected, SPST Analog Switches _______________________________________________________________________________________ 7 __________________________________________Typical Operating Characteristics (TA = +25°C, unless otherwise noted.) 0 100 50 250 200 150 300 350 -20 -5 0-15 -10 5 10 15 20 SWITCH ON-RESISTANCE vs. VCOM (DUAL SUPPLIES) M A X 4 5 1 1 -0 1 VCOM (V) S W IT C H O N -R ES IS TA N C E (Ω ) V+ = +5V V- = -5V V+ = +10V V- = -10V V+ = +15V V- = -15V V+ = +12V V- = -12V V+ = +20V V- = -20V 0 80 60 20 40 160 140 100 120 180 200 -15 -5 0-10 5 10 15 SWITCH ON-RESISTANCE vs. VCOM AND TEMPERATURE (DUAL SUPPLIES) M A X 4 5 1 1 -0 2 VCOM (V) S W IT C H O N -R ES IS TA N C E (Ω ) TA = +125°C TA = -55°C V+ = +15V V- = -15V TA = -40°C TA = +25°C TA = +85°C 1000 100 0 5 10 15 20 25 30 SWITCH ON-RESISTANCE vs. VCOM (SINGLE SUPPLY) M A 4 5 1 1 -0 3 VCOM (V) S W IT C H O N -R ES IS IT A N C E (Ω ) V+ = +12V V+ = +5V V- = 0 V+ = +15V V+ = +20V V+ = +24V V+ = +30V 0 50 200 150 100 300 350 250 400 0 4 62 8 10 12 SWITCH ON-RESISTANCE vs. VCOM AND TEMPERATURE (SINGLE SUPPLY) M A X 4 5 1 1 -0 4 VCOM (V) S W IT C H O N -R ES IS TA N C E (Ω ) TA = +125°C TA = +85°C TA = +25°C TA = -40°C TA = -55°C V+ = +12V 0 300 200 100 700 800 600 500 400 900 1000 0 5 10 15 20 ON AND OFF TIMES vs. SUPPLY VOLTAGE M A X 4 5 1 1 -0 7 SUPPLY VOLTAGE (±V) t O N , t O FF ( ns ) tON (SINGLE SUPPLY) tON (DUAL SUPPLIES) tOFF (DUAL SUPPLIES) tOFF (SINGLE SUPPLY) 1p 10p 100p 1n 10n 100n -50 0-25 25 50 75 100 125 150 ID(ON), IS(OFF), AND ID(OFF) LEAKAGES vs. TEMPERATURE M A X 4 5 1 1 -0 5 TEMPERATURE (°C) LE A K A G E (A ) INO(OFF) @VNO = -14V, VCOM = +14V ICOM(ON) @VNO = VCOM = +14V INO(OFF) @VNO = +14V, VCOM = -14V ICOM(OFF) @VNO = -14V, VCOM = +14V ICOM(OFF) @VNO = +14V, VCOM = -14V ICOM(ON) @VNO = VCOM = -14V 0 2 8 10 6 4 12 14 -15 -10 -5 0 5 10 15 CHARGE INJECTION vs. VCOM (DUAL SUPPLIES) M A X 4 5 1 1 -0 6 VCOM (V) Q ( pC ) DUAL ±15V SUPPLIES SINGLE +12V SUPPLY V+ = +15V V- = -15V 0 100 300 200 500 400 600 -50 0 25-25 50 75 100 125 ON AND OFF TIMES vs. TEMPERATURE M A X 4 5 1 1 -0 8 TEMPERATURE (°C) t O N , t O FF ( ns ) tON tOFF 0 100 300 200 500 400 600 -50 0 25-25 50 75 100 125 POWER-SUPPLY CURRENT vs. TEMPERATURE M A X 4 5 1 1 -0 9 TEMPERATURE (°C) S U P P LY C U R R EN T (µ A ) IV+ IV- IGND

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M A X 4 5 1 1 /M A X 4 5 1 2 /M A X 4 5 1 3 Quad, Rail-to-Rail, Fault-Protected, SPST Analog Switches 8 _______________________________________________________________________________________ 0 0.5 1.5 1.0 2.5 2.0 3.0 0 10 155 20 25 30 35 LOGIC-LEVEL THRESHOLD vs. V+ M A X 4 5 1 1 -1 0 V+ (V) LO G IC -L EV EL T H R ES H O LD ( V ) Typical Operating Characteristics (continued) (TA = +25°C, unless otherwise noted.) 0 -10 -20 -120 0.01 0.1 1 10 100 1000 FREQUENCY RESPONSE -90 -100 -110 MAX186-14A FREQUENCY (MHz) LO S S ( dB ) P H A S E (D EG R EE S ) -70 -80 -50 -60 -30 -40 120 100 80 -120 -60 -80 -100 -20 -40 20 0 60 40 ON LOSS OFF LOSS ON PHASE NAME FUNCTION 1, 16, 9, 8 IN1–IN4 Logic Control Digital Inputs 2, 15, 10, 7 COM1– COM4 Analog Switch Common* Terminals PIN 3, 14, 11, 6 NO1–NO4 or NC1–NC4 Analog Switch Fault-Protected Normally Open* or Normally Closed* Terminals 4 V- Negative Analog Supply Voltage Input. Connect to GND for single-supply operation. 13 V+ Positive Analog and Digital Supply-Voltage Input. Internally connected to substrate. 12 N.C. No Connection—not internally connected 5 GND Ground. Connect to digital ground. (Analog signals have no ground reference.) Pin Description *As long as the voltage on NO_ or NC_ does not exceed V+ or V-, NO_ (or NC_) and COM_ pins are identical and interchange- able. Either may be considered as an input or output; signals pass equally well in either direction. Detailed Description Overview of Traditional Fault-Protected Switches The MAX4511/MAX4512/MAX4513 are fault-protected CMOS analog switches with unusual operation and construction. Traditional fault-protected switches are constructed by three series FETs. This produces good off characteristics, but fairly high on-resistance when the signals are within about 3V of each supply rail. As the voltage on one side of the switch approaches with- in about 3V of either supply rail (a fault condition), the switch impedance becomes higher, limiting the output signal range (on the protected side of the switch) to approximately 3V less than the appropriate polarity supply voltage. During a fault condition, the output current that flows from the protected side of the switch into its load comes from the fault source on the other side of the switch. If the switch is open or the load is extremely high impedance, the input current will be very low. If the switch is on and the load is low impedance, enough current will flow from the source to maintain the load voltage at 3V less than the supply.

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M A X 4 5 1 1 /M A X 4 5 1 2 /M A X 4 5 1 3 Quad, Rail-to-Rail, Fault-Protected, SPST Analog Switches _______________________________________________________________________________________ 9 Overview of MAX4511/MAX4512/MAX4513 The MAX4511/MAX4512/MAX4513 differ considerably from traditional fault-protection switches, with several advantages. First, they are constructed with two paral- lel FETs, allowing very low on-resistance when the switch is on. Second, they allow signals on the NC_ or NO_ pins that are within or slightly beyond the supply rails to be passed through the switch to the COM termi- nal, allowing rail-to-rail signal operation. Third, when a signal on NC_ or NO_ exceeds the supply rails by about 50mV (a fault condition), the voltage on COM_ is limited to the appropriate polarity supply voltage. Operation is identical for both fault polarities. The fault- protection extends to ±36V from GND. During a fault condition, the NO_ or NC_ input pin becomes high impedance regardless of the switch state or load resistance. If the switch is on, the COM_ output current is furnished from the V+ or V- pin by “booster” FETs connected to each supply pin. These FETs can typically source or sink up to 10mA. When power is removed, the fault protection is still in effect. In this case, the NO_ or NC_ terminals are a vir- tual open circuit. The fault can be up to ±40V. The COM_ pins are not fault protected; they act as nor- mal CMOS switch pins. If a voltage source is connect- ed to any COM_ pin, it should be limited to the supply voltages. Exceeding the supply voltage will cause high currents to flow through the ESD protection diodes, possibly damaging the device (see Absolute Maximum Ratings). Pin Compatibility These switches have identical pinouts to common non- fault-protected CMOS switches. Care should be exer- cised in considering them for direct replacements in existing printed circuit boards, however, since only the NO_ and NC_ pins of each switch are fault protected. Internal Construction Internal construction is shown in Figure 1, with the ana- log signal paths shown in bold. A single normally open V+ NO_ (NC_) IN_ GND V- HIGH FAULT LOW FAULT ON N1 P1 P2 COM_ N2 NC SWITCH -ESD DIODE NORMALLY OPEN SWITCH CONSTRUCTION Figure 1. Block Diagram

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MAX4511ESE+T

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Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO9001:2015, ICAS, IAF, UKAS

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