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MAX207ECWG+T

hot MAX207ECWG+T

MAX207ECWG+T

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Part Number MAX207ECWG+T
Manufacturer Maxim Integrated
Description IC TXRX RS-232 W/CAP 24-SOIC
Datasheet MAX207ECWG+T Datasheet
Package 24-SOIC (0.295", 7.50mm Width)
In Stock 404 piece(s)
Unit Price $ 2.6928 *
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MAX207ECWG+T

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MAX207ECWG+T Specifications

ManufacturerMaxim Integrated
CategoryIntegrated Circuits (ICs) - Interface - Drivers, Receivers, Transceivers
Datasheet MAX207ECWG+T Datasheet
Package24-SOIC (0.295", 7.50mm Width)
Series-
TypeTransceiver
ProtocolRS232
Number of Drivers/Receivers5/3
DuplexFull
Receiver Hysteresis500mV
Data Rate120Kbps
Voltage - Supply4.75 V ~ 5.25 V
Operating Temperature0°C ~ 70°C
Mounting TypeSurface Mount
Package / Case24-SOIC (0.295", 7.50mm Width)
Supplier Device Package24-SOIC

MAX207ECWG+T Datasheet

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19-0175; Rev 7; 1/15 MAX202E–MAX213E, MAX232E/MAX241E ±15kV ESD-Protected, 5V RS-232 Transceivers EVALUATION KIT AVAILABLE General Description The MAX202E-MAX213E, MAX232E, and MAX241E are a family of RS-232 and V.28 transceivers with high ±15kV ESD HBM protection and integrated charge pump circuit- ry for single +5V supply operation. The various combina- tions of features are outlined in the Selector Guide. The drivers and receivers for all ten devices meet all EIA/TIA- 232E and CCITT V.28 specifications at data rates up to 120kbps when loaded. The MAX211E/MAX213E/MAX241E are available in 28- pin SO and SSOP packages. The MAX202E/MAX232E come in 16-pin TSSOP, narrow SO, wide SO, and DIP packages. The MAX203E comes in a 20-pin DIP/SO package, and needs no external charge-pump capaci- tors. The MAX205E comes in a 24-pin wide DIP pack- age, and also eliminates external charge-pump capacitors. Applications • Battery-Powered Equipment • Hand-Held Equipment • Portable Diagnostics Equipment Benefits and Features • Saves Board Space • Integrated High ±15kV HBM ESD Protection • Integrated Charge Pump Circuitry Eliminates the Need for a Bipolar ±12V Supply Enables Single Supply Operation From +5V Supply • Integrated 0.1µF Capacitors (MAX203E, MAX205E) • 24 pin SSOP Package Saves up to 40% Versus SO Package • Saves Power for Reduced Power Requirements • 1µA Shutdown Mode • 15µA Shutdown Mode for MAX213E Pin Configurations and Typical Operating Circuits appear at end of data sheet. Yes PART NO. OF RS-232 DRIVERS NO. OF RS-232 RECEIVERS RECEIVERS ACTIVE IN SHUTDOWN NO. OF EXTERNAL CAPACITORS (µF) LOW-POWER SHUTDOWN TTL TRI- STATE MAX202E 2 2 0 4 (0.1) No No MAX203E 2 2 0 None No No MAX205E 5 5 0 None Yes Yes MAX206E 4 3 0 4 (0.1) Yes Yes MAX207E 5 3 0 4 (0.1) No No MAX208E 4 4 0 4 (0.1) No No MAX211E 4 5 0 4 (0.1) Yes Yes MAX213E 4 5 2 4 (0.1) Yes Yes MAX232E 2 2 0 4 (1) No No MAX241E 4 5 0 4 (1) Yes AutoShutdown and UCSP are trademarks of Maxim Integrated Products, Inc. Ordering Information 16 Narrow SO0°C to +70°CMAX202ECSE 0°C to +70°CMAX202ECPE PIN-PACKAGETEMP RANGEPART 16 Plastic DIP Ordering Information continued at end of data sheet.

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Maxim Integrated | 2www.maximintegrated.com MAX202E–MAX213E, MAX232E/MAX241E ±15kV ESD-Protected, 5V RS-232 Transceivers Absolute Maximum Ratings VCC..........................................................................-0.3V to +6V V+................................................................(VCC - 0.3V) to +14V V- ............................................................................-14V to +0.3V Input Voltages T_IN ............................................................-0.3V to (V+ + 0.3V) R_IN ...................................................................................±30V Output Voltages T_OUT.................................................(V- - 0.3V) to (V+ + 0.3V) R_OUT......................................................-0.3V to (VCC + 0.3V) Short-Circuit Duration, T_OUT....................................Continuous Continuous Power Dissipation (TA = +70°C) 16-Pin Plastic DIP (derate 10.53mW/°C above +70°C)....842mW 16-Pin Narrow SO (derate 8.70mW/°C above +70°C) .....696mW 16-Pin Wide SO (derate 9.52mW/°C above +70°C) ......762mW 16-Pin TSSOP (derate 9.4mW/°C above +70°C) ...........755mW 20-Pin Plastic DIP (derate 11.11mW/°C above +70°C)...889mW 20-Pin SO (derate 10.00mW/°C above +70°C).............800mW 24-Pin Narrow Plastic DIP (derate 13.33mW/°C above +70°C) ...............................1.07W 24-Pin Wide Plastic DIP (derate 14.29mW/°C above +70°C)................................1.14W 24-Pin SO (derate 11.76mW/°C above +70°C).............941mW 24-Pin SSOP (derate 8.00mW/°C above +70°C) ..........640mW 28-Pin SO (derate 12.50mW/°C above +70°C)....................1W 28-Pin SSOP (derate 9.52mW/°C above +70°C) ..........762mW Operating Temperature Ranges MAX2_ _EC_ _ .....................................................0°C to +70°C MAX2_ _EE_ _...................................................-40°C to +85°C Storage Temperature Range .............................-65°C to +165°C Lead Temperature (soldering, 10s) .................................+300°C Electrical Characteristics (VCC = +5V ±10% for MAX202E/206E/208E/211E/213E/232E/241E; VCC = +5V ±5% for MAX203E/205E/207E; C1–C4 = 0.1µF for MAX202E/206E/207E/208E/211E/213E; C1–C4 = 1µF for MAX232E/241E; 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. R_OUT; IOUT = -1.0mA V3.5 VCC - 0.4Output-Voltage High VOH EN = VCC, EN = 0V, 0V ≤ ROUT ≤ VCC, MAX205E–208E/211E/213E/241E outputs disabled µA±0.05 ±10Output Leakage Current R_OUT; IOUT = 3.2mA (MAX202E/203E/232E) or IOUT = 1.6mA (MAX205E/208E/211E/213E/241E) V0.4Output-Voltage Low VOL T_IN; EN, SHDN (MAX213E) or EN, SHDN (MAX205E–208E/211E/241E) V0.8Input Threshold Low VIL 8 15 T_IN = 0V (MAX205E–208E/211E/213E/241E) µA15 200Input Pullup Current PARAMETER CONDITIONSSYMBOL UNITSMIN TYP MAX VCC Supply Current ICC mA 11 20 No load, TA = +25°C 14 20 5 10 MAX211E/213E MAX232E 7 15MAX241E MAX205E–208E EN, SHDN (MAX213E) or EN, SHDN (MAX205E–208E/211E/241E) 2.4 T_IN V 2.0 Input Threshold High VIH MAX205E/206E 1 10 1 10MAX211E/241E T_IN = 0V to VCC (MAX202E/203E/232E) µA±10Input Leakage Current MAX202E/203E 15 50MAX213E DC CHARACTERISTICS LOGIC Shutdown Supply Current TA = +25°C, Figure 1 µA

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Maxim Integrated | 3www.maximintegrated.com MAX202E–MAX213E, MAX232E/MAX241E ±15kV ESD-Protected, 5V RS-232 Transceivers Electrical Characteristics (continued) (VCC = +5V ±10% for MAX202E/206E/208E/211E/213E/232E/241E; VCC = +5V ±5% for MAX203E/205E/207E; C1–C4 = 0.1µF for MAX202E/206E/207E/208E/211E/213E; C1–C4 = 1µF for MAX232E/241E; TA = TMIN to TMAX; unless otherwise noted. Typical values are at TA = +25°C.) Note 1: MAX211EE_ _ and MAX213EE_ _ tested with VCC = +5V ±5%. MAX205E/206E/211E/213E/241E normal opera- tion, Figure 2 MAX205E/206E/211E/213E/241E normal opera- tion, Figure 2 CL = 150pF RL = 3kΩ to 7kΩ, CL = 50pF to 1000pF, one transmitter switching All drivers loaded with 3kΩ to ground (Note 1) TA = +25°C, VCC = 5V VCC = 5V, no hysteresis in shutdown TA = +25°C, VCC = 5V TA = +25°C, VCC = 5V VCC = V+ = V- = 0V, VOUT = ±2V CONDITIONS ns200Receiver Output Disable Time ns600Receiver Output Enable Time µs 4 40 tPLHR, tPHLR Receiver Propagation Delay 0.5 10 kbps120Maximum Data Rate mA±10 ±60Output Short-Circuit Current Ω300Output Resistance V-30 30Input Voltage Range V±5 ±9Output Voltage Swing kΩ3 5 7Input Resistance V0.2 0.5 1.0Input Hysteresis VInput Threshold Low 1.7 2.4 V 1.5 2.4 Input Threshold High UNITSMIN TYP MAXSYMBOLPARAMETER All parts, normal operation All parts, normal operation MAX213E (R4, R5), SHDN = 0V, EN = VCC RL = 3kΩ, CL = 2500pF, all transmitters loaded µs2 tPLHT, tPHLT Transmitter Propagation Delay TA = +25°C, VCC = 5V, RL = 3kΩ to 7kΩ, CL = 50pF to 1000pF, measured from -3V to +3V or +3V to -3V, Figure 3 V/µs3 6 30Transition-Region Slew Rate Human Body Model ±15 IEC1000-4-2, Air-Gap Discharge kV ±15 ESD-Protection Voltage IEC1000-4-2, Contact Discharge ±8 All parts, normal operation MAX213E (R4, R5), SHDN = 0V, EN = VCC 0.8 1.2 ESD PERFORMANCE: TRANSMITTER OUTPUTS, RECEIVER INPUTS TIMING CHARACTERISTICS EIA/TIA-232E TRANSMITTER OUTPUTS EIA/TIA-232E RECEIVER INPUTS MAX213E, SHDN = 0V, EN = VCC 0.6 1.5 Note 1: MAX211EE_ _ tested with VCC = +5V ±5%.

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Maxim Integrated | 4www.maximintegrated.com MAX202E–MAX213E, MAX232E/MAX241E ±15kV ESD-Protected, 5V RS-232 Transceivers Typical Operating Characteristics 5.0 0 MAX232E TRANSMITTER OUTPUT VOLTAGE vs. LOAD CAPACITANCE M A X 20 2E -T O C 1 LOAD CAPACITANCE (pF) V O H , - V O L (V ) 5.5 6.0 6.5 7.0 7.5 8.0 1000 2000 3000 4000 5000 VCC = 5.5V ALL TRANSMITTERS LOADED DATA RATE = 120kbps RL = 3kΩ VCC = 4.5V VCC = 5.0V 5.0 0 MAX202E/MAX203E TRANSMITTER OUTPUT VOLTAGE vs. LOAD CAPACITANCE M A X 20 2E -T O C 2 LOAD CAPACITANCE (pF) V O H , - V O L (V ) 5.5 6.0 6.5 7.0 7.5 8.0 1000 2000 3000 4000 5000 VCC = 5.5V VCC = 4.5V VCC = 5.0V ALL TRANSMITTERS LOADED DATA RATE = 120kbps RL = 3kΩ 5.0 0 MAX241E TRANSMITTER OUTPUT VOLTAGE vs. LOAD CAPACITANCE M A X 20 2E -T O C 3 LOAD CAPACITANCE (pF) V O H , - V O L (V ) 5.5 6.0 6.5 7.0 7.5 8.0 1000 2000 3000 4000 5000 VCC = 4.5V VCC = 5.5V VCC = 5.0V ALL TRANSMITTERS LOADED DATA RATE = 120kbps RL = 3kΩ 5.0 0 MAX211E/MAX213E TRANSMITTER OUTPUT VOLTAGE vs. LOAD CAPACITANCE M A X 20 2E -T O C 4 LOAD CAPACITANCE (pF) V O H , - V O L (V ) 5.5 6.0 6.5 7.0 7.5 8.0 1000 2000 3000 4000 5000 VCC = 4.5V VCC = 5.5V VCC = 5.0V ALL TRANSMITTERS LOADED DATA RATE = 120kbps RL = 3kΩ 0 0 MAX211E/MAX213E/MAX241E TRANSMITTER SLEW RATE vs. LOAD CAPACITANCE M A X 20 2E -T O C 5 LOAD CAPACITANCE (pF) S LE W R A TE ( V /μ s) 5 10 15 20 25 30 1000 2000 3000 4000 5000 +SLEW RATE -SLEW RATE ALL TRANSMITTERS LOADED DATA RATE = 120kbps RL = 3kΩ

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Maxim Integrated | 5www.maximintegrated.com MAX202E–MAX213E, MAX232E/MAX241E ±15kV ESD-Protected, 5V RS-232 Transceivers Typical Operating Characteristics (continued) 2 0 MAX202E/MAX203E/MAX232E TRANSMITTER SLEW RATE vs. LOAD CAPACITANCE M A X 20 2E -T O C 6 LOAD CAPACITANCE (pF) S LE W R A TE ( V /μ s) 4 6 8 10 12 14 1000 2000 3000 4000 5000 +SLEW RATE -SLEW RATE ALL TRANSMITTERS LOADED DATA RATE = 120kbps RL = 3kΩ 5.0 7.5 -7.5 0 3000 MAX205E–MAX208E TRANSMITTER OUTPUT VOLTAGE vs. LOAD CAPACITANCE -5.0 2.5 M A X 20 2E T O C -0 7 LOAD CAPACITANCE (pF) O U TP U T V O LT A G E (V ) 1000 2000 4000 5000 0 -2.5 VCC = +4.5V, RL = 3kΩ 1 TRANSMITTER AT FULL DATA RATE 4 TRANSMITTERS AT 1/8 DATA RATE 240kbps 240kbps 120kbps 120kbps 20kbps 20kbps 45 50 20 0 3000 MAX205E–MAX208E SUPPLY CURRENT vs. LOAD CAPACITANCE 25 40 M A X 20 2E T O C -0 9 LOAD CAPACITANCE (pF) S U P P LY C U R R EN T (m A ) 1000 2000 4000 5000 35 30 VCC = +4.5V, RL = 3kΩ 1 TRANSMITTER AT FULL DATA RATE 4 TRANSMITTERS AT 1/8 DATA RATE 240kbps 120kbps 20kbps 10 12 0 0 3000 MAX205E–MAX208E TRANSMITTER SLEW RATE vs. LOAD CAPACITANCE 2 8 M A X 20 2E T O C -0 8 LOAD CAPACITANCE (pF) S LE W R A TE ( V /μ s) 1000 2000 4000 5000 6 4 20 18 16 14 VCC = +4.5V, RL = 3kΩ 1 TRANSMITTER AT FULL DATA RATE 4 TRANSMITTERS AT 1/8 DATA RATE FALL RISE 2.5 5.0 -10.0 0 180 MAX205E–MAX208E OUTPUT VOLTAGE vs. DATA RATE -7.5 0 M A X 20 2E T O C -1 0 DATA RATE (kbps) O U TP U T V O LT A G E (V ) 60 120 24015030 90 210 -2.5 -5.0 10.0 7.5 VCC = +4.5V, RL = 3kΩ 1 TRANSMITTER AT FULL DATA RATE 4 TRANSMITTERS AT 1/8 DATA RATE V+ V- VOUT+ VOUT-

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Maxim Integrated | 6www.maximintegrated.com MAX202E–MAX213E, MAX232E/MAX241E ±15kV ESD-Protected, 5V RS-232 Transceivers MAX203E MAX205E Pin Descriptions MAX202E/MAX232E 15 10, 11 9, 12 8, 13 Ground19 RS-232 Driver Inputs13, 14 7, 14 6 4, 5 RS-232 Receiver Outputs12, 15 RS-232 Receiver Inputs10, 17 RS-232 Driver Outputs9, 18 -2VCC Voltage Generated by the Charge Pump8 2 1, 3 Terminals for Negative Charge-Pump Capacitor5, 7 +2VCC Voltage Generated by the Charge Pump3 +4.5V to +5.5V Supply-Voltage Input Terminals for Positive Charge-Pump Capacitor2, 4 2016 GND T_IN R_OUT R_IN T_OUT V- C2+, C2- V+ C1+, C1- VCC N.C. No Connection—Not Internally Connected1, 6, 11, 16__ FUNCTIONNAME PIN DIP/SO/TSSOP LCC 11, 15 12, 15 Connect pins together.C2+ NAME 14 8 +2VCC Voltage Generated by the Charge PumpV+ SO C1- T_IN R_OUT R_IN T_OUT GND VCC C1+ C2- V- 13 FUNCTION 14 1, 2 RS-232 Driver Inputs Make no connection to this pin. 3, 20 RS-232 Receiver Outputs 4, 19 RS-232 Receiver Inputs 1, 2 3, 20 5, 18 RS-232 Transmitter Outputs 6, 9 Ground 7 +4.5V to +5.5V Supply-Voltage Input 13 Make no connection to this pin. 4,19 5,18 6, 9 11, 16 Connect pins together. 10, 17 -2VCC Voltage Generated by the Charge Pump. Connect pins together. 7 8 10, 16 12, 17 DIP PIN NAME FUNCTION T_OUT RS-232 Driver Outputs R_IN RS-232 Receiver Inputs R_OUT TTL/CMOS Receiver Outputs. All receivers are inactive in shutdown. PIN 1–4, 19 5, 10, 13, 18, 24 T_IN TTL/CMOS Driver Inputs. Internal pullups to VCC. GND Ground VCC +4.75V to +5.25V Supply Voltage EN Receiver Enable—Active Low 6, 9, 14, 17, 23 7, 8, 15, 16, 22 11 12 20 SHDN Shutdown Control—Active High21

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Maxim Integrated | 7www.maximintegrated.com MAX202E–MAX213E, MAX232E/MAX241E ±15kV ESD-Protected, 5V RS-232 Transceivers MAX208E Pin Descriptions (continued) MAX206E MAX207E V+ NAME FUNCTION +2VCC Generated by the Charge Pump T_OUT RS-232 Driver Outputs 11 R_IN RS-232 Receiver Inputs R_OUT TTL/CMOS Receiver Outputs. All receivers are inactive in shutdown. PIN 1, 2, 3, 24 4, 16, 23 T_IN TTL/CMOS Driver Inputs. Internal pullups to VCC. GND Ground VCC +4.5V to +5.5V Supply Voltage C1+, C1- Terminals for Positive Charge-Pump Capacitor 5, 17, 22 6, 7, 18, 19 8 9 10, 12 EN Receiver Enable—Active Low20 C2+, C2- Terminals for Negative Charge-Pump Capacitor V- -2VCC Generated by the Charge Pump 13, 14 15 SHDN Shutdown Control—Active High21 V+ NAME FUNCTION +2VCC Generated by the Charge Pump T_OUT RS-232 Driver Outputs 11 R_IN RS-232 Receiver Inputs R_OUT TTL/CMOS Receiver Outputs. All receivers are inactive in shutdown. PIN 1, 2, 3, 20, 24 4, 16, 23 T_IN TTL/CMOS Driver Inputs. Internal pullups to VCC. GND Ground C2+, C2- VCC +4.75V to +5.25V Supply Voltage Terminals for Negative Charge-Pump Capacitor C1+, C1- Terminals for Positive Charge-Pump Capacitor 5, 17, 22 6, 7, 18, 19, 21 8 V- -2VCC Generated by the Charge Pump 13, 14 15 9 10, 12 V+ NAME FUNCTION +2VCC Generated by the Charge Pump T_OUT RS-232 Driver Outputs 11 R_IN RS-232 Receiver Inputs R_OUT TTL/CMOS Receiver Outputs. All receivers are inactive in shutdown. PIN 1, 2, 20, 24 3, 7, 16, 23 T_IN TTL/CMOS Driver Inputs. Internal pullups to VCC. GND Ground C2+, C2- VCC +4.5V to +5.5V Supply Voltage Terminals for Negative Charge-Pump Capacitor C1+, C1- Terminals for Positive Charge-Pump Capacitor 4, 6, 17, 22 5, 18, 19, 21 8 V- -2VCC Generated by the Charge Pump 13, 14 15 9 10, 12

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Maxim Integrated | 8www.maximintegrated.com MAX202E–MAX213E, MAX232E/MAX241E ±15kV ESD-Protected, 5V RS-232 Transceivers V+ GND MAX206E MAX211E MAX213E MAX241E 0.1μF* VCC 0.1μF* R1 TO R5 T1 TO T5 0.1μF* C1+ C1- C2+ C2- VCC +5.5V T_OUT R_OUT 400kΩ 5kΩ ISHDN 0V OR +5.5V DRIVE 0.1μF* 0.1μF* 3kΩ +5.5VR_IN T_IN CAPACITORS MAY BE POLARIZED OR UNPOLARIZED ( ) ARE FOR MAX213E * 1μF FOR MAX241E EN (EN) SHDN (SHDN)+5.5V (0V) V- +5.5V Figure 1. Shutdown-Current Test Circuit (MAX206E, MAX211E/MAX213E/MAX241E) +3.5V EN INPUT OUTPUT ENABLE TIME +2.5V RECEIVER OUTPUT CL = 150pF RECEIVER OUTPUTS OUTPUT DISABLE TIME VOH - 0.1VVOH VOL VOL + 0.1V RL = 1kΩ NOTE: POLARITY OF EN IS REVERSED FOR THE MAX213E +0.8V 0V +3V +3V EN INPUT 0V Figure 2. Receiver Output Enable and Disable Timing (MAX205E/MAX206E/MAX211E/MAX213E/MAX241E) 17 NAME FUNCTION V- T_OUT RS-232 Driver Outputs -2VCC Voltage Generated by the Charge Pump R_IN RS-232 Receiver Inputs 24 R_OUT TTL/CMOS Receiver Outputs. For the MAX213E, receivers R4 and R5 are active in shutdown mode when EN = 1. For the MAX211E and MAX241E, all receivers are inactive in shutdown. PIN 1, 2, 3, 28 4, 9, 18, 23, 27 EN T_IN TTL/CMOS Driver Inputs. Only the MAX211E, MAX213E, and MAX241E have internal pullups to VCC. Receiver Enable—Active High (MAX213E) GND Ground 25 VCC +4.5V to +5.5V Supply Voltage SHDN C1+, C1- Terminals for Positive Charge-Pump Capacitor 5, 8, 19, 22, 26 6, 7, 20, 21 10 Shutdown Control—Active Low (MAX213E) V+ +2VCC Voltage Generated by the Charge Pump C2+, C2- Terminals for Negative Charge-Pump Capacitor 11 12, 14 13 15, 16 EN Receiver Enable—Active Low (MAX211E, MAX241E) SHDN Shutdown Control—Active High (MAX211E, MAX241E) Pin Descriptions (continued) MAX211E/MAX213E/MAX241E

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Maxim Integrated | 9www.maximintegrated.com MAX202E–MAX213E, MAX232E/MAX241E ±15kV ESD-Protected, 5V RS-232 Transceivers V+ MAX2_ _E 0.1μF* VCC 0.1μF* T_ R_ 0.1μF* C1+ C1- C2+ C2- VCC T_OUT R_OUT EN (EN) SHDN (SHDN) 400kΩ 5kΩ 0.1μF* 0.1μF* 3kΩ +5V R_IN T_IN MINIMUM SLEW-RATE TEST CIRCUIT 0V (+5V) 0V (+5V) 2500pF V- V+ 0.1μF* VCC 0.1μF* R_ T_ 0.1μF* C1+ C1- C2+ C2- VCC T_OUT R_OUT EN (EN) SHDN (SHDN) 400kΩ 5kΩ 0.1μF* 0.1μF* 7kΩ +5V R_IN T_IN MAXIMUM SLEW-RATE TEST CIRCUIT 0V (+5V) 0V (+5V) 50pF V- ( ) ARE FOR MAX213E * 1μF FOR MAX232E/MAX241E MAX2_ _E TRANSMITTER INPUT PULL-UP RESISTORS, ENABLE, AND SHUTDOWN ARE NOT PROVIDED ON THE MAX202E, MAX203E, AND MAX232E. ENABLE AND SHUTDOWN ARE NOT PROVIDED ON THE MAX207E AND MAX208E. Figure 3. Transition Slew-Rate Circuit Detailed Description The MAX202E–MAX213E, MAX232E/MAX241E consist of three sections: charge-pump voltage converters, dri- vers (transmitters), and receivers. These E versions provide extra protection against ESD. They survive ±15kV discharges to the RS-232 inputs and outputs, tested using the Human Body Model. When tested according to IEC1000-4-2, they survive ±8kV contact- discharges and ±15kV air-gap discharges. The rugged E versions are intended for use in harsh environments or applications where the RS-232 connection is fre- quently changed (such as notebook computers). The standard (non-“E”) MAX202, MAX203, MAX205– MAX208, MAX211, MAX213, MAX232, and MAX241 are recommended for applications where cost is critical. +5V to ±10V Dual Charge-Pump Voltage Converter The +5V to ±10V conversion is performed by dual charge-pump voltage converters (Figure 4). The first charge-pump converter uses capacitor C1 to double the +5V into +10V, storing the +10V on the output filter capacitor, C3. The second uses C2 to invert the +10V into -10V, storing the -10V on the V- output filter capaci- tor, C4. In shutdown mode, V+ is internally connected to VCC by a 1kΩ pull-down resistor, and V- is internally connected to ground by a 1kΩ pull up resistor. RS-232 Drivers With VCC = 5V, the typical driver output voltage swing is ±8V when loaded with a nominal 5kΩ RS-232 receiv- er. The output swing is guaranteed to meet EIA/TIA- 232E and V.28 specifications that call for ±5V minimum output levels under worst-case conditions. These include a 3kΩ load, minimum VCC, and maximum oper- ating temperature. The open-circuit output voltage swings from (V+ - 0.6V) to V-. Input thresholds are CMOS/TTL compatible. The unused drivers’ inputs on the MAX205E–MAX208E, MAX211E, MAX213E, and MAX241E can be left uncon- nected because 400kΩ pull up resistors to VCC are included on-chip. Since all drivers invert, the pull up resistors force the unused drivers’ outputs low. The MAX202E, MAX203E, and MAX232E do not have pull up resistors on the transmitter inputs.

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This is the best online shop to order electronic components. From a 30 cent item up to industrial, Customer Service is great. This company is so reliable and super easy to work with and ask questions. One CS agent even stayed after hours to get me an answer!

Kelle*****hards

January 16, 2020

Received Quickly. Excellent Communication. Capacitors Look Excellent.

Clay*****arza

January 15, 2020

Those components are in stock shipped fast and arrive promptly. Really Fast!

Rya*****alder

January 14, 2020

Worked perfectly for my application. Worked like a charm!

Cecel*****bbard

December 13, 2019

Pleased with this purchase, good, quick service and item exactly as shown.

Jaliy*****wnsend

December 2, 2019

quick delivery, received with well packaged, exactly as listed - Thanks

Embe*****whney

November 18, 2019

They worked great. Not much to say - as far as I can tell they adhere to the specs, and did the job I needed them to. Good transistors for higher current situations.

Noem*****niga

November 2, 2019

You guys and girls I can trust and rely on. Thank You All!

Ira *****hens

November 2, 2019

Excellent service and product arrives in reasonable shipping rates. Well done!

Cla*****imon

October 18, 2019

I wish I had come across Heisener first, no one could help me for 2 days. You are now saved into the TOP of my favorites web list. Thank you very much.

MAX207ECWG+T Guarantees

Service Guarantee

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantee

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

MAX207ECWG+T Packaging

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