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MAX917EUK+T

hot MAX917EUK+T

MAX917EUK+T

For Reference Only

Part Number MAX917EUK+T
Manufacturer Maxim Integrated
Description IC COMPARATOR BTR SOT23-5
Datasheet MAX917EUK+T Datasheet
Package SC-74A, SOT-753
In Stock 28272 piece(s)
Unit Price $ 0.9914 *
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MAX917EUK+T

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MAX917EUK+T Specifications

ManufacturerMaxim Integrated
CategoryIntegrated Circuits (ICs) - Linear - Comparators
Datasheet MAX917EUK+T Datasheet
PackageSC-74A, SOT-753
SeriesBeyond-the-Rails?
Typewith Voltage Reference
Number of Elements1
Output TypeCMOS, Push-Pull, Rail-to-Rail, TTL
Voltage - Supply, Single/Dual (��)1.8 V ~ 5.5 V
Voltage - Input Offset (Max)5mV @ 5V
Current - Input Bias (Max)0.001µA @ 5V
Current - Output (Typ)50mA
Current - Quiescent (Max)1.6µA
CMRR, PSRR (Typ)80dB PSRR
Propagation Delay (Max)95µs
Hysteresis4mV
Operating Temperature-40°C ~ 85°C
Package / CaseSC-74A, SOT-753
Mounting TypeSurface Mount
Supplier Device PackageSOT-23-5

MAX917EUK+T Datasheet

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For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. General Description The MAX917–MAX920 nanopower comparators in space-saving SOT23 packages feature Beyond-the- Rails™ inputs and are guaranteed to operate down to +1.8V. The MAX917/MAX918 feature an on-board 1.245V ±1.5% reference and draw an ultra-low supply current of only 750nA, while the MAX919/MAX920 (with- out reference) require just 380nA of supply current. These features make the MAX917–MAX920 family of comparators ideal for all 2-cell battery applications, including monitoring/management. The unique design of the output stage limits supply-cur- rent surges while switching, virtually eliminating the supply glitches typical of many other comparators. This design also minimizes overall power consumption under dynamic conditions. The MAX917/MAX919 have a push-pull output stage that sinks and sources current. Large internal output drivers allow rail-to-rail output swing with loads up to 8mA. The MAX918/MAX920 have an open-drain output stage that makes them suit- able for mixed-voltage system design. Applications 2-Cell Battery Monitoring/Management Ultra-Low-Power Systems Mobile Communications Notebooks and PDAs Threshold Detectors/Discriminators Sensing at Ground or Supply Line Telemetry and Remote Systems Medical Instruments Features ♦ Ultra-Low Supply Current 380nA per Comparator (MAX919/MAX920) 750nA per Comparator with Reference (MAX917/MAX918) ♦ Guaranteed to Operate Down to +1.8V ♦ Internal 1.245V ±1.5% Reference (MAX917/MAX918) ♦ Input Voltage Range Extends 200mV Beyond-the-Rails ♦ CMOS Push-Pull Output with ±8mA Drive Capability (MAX917/MAX919) ♦ Open-Drain Output Versions Available (MAX918/MAX920) ♦ Crowbar-Current-Free Switching ♦ Internal Hysteresis for Clean Switching ♦ No Phase Reversal for Overdriven Inputs ♦ Space-Saving SOT23 Package M A X 9 1 7 – M A X 9 2 0 SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference ________________________________________________________________ Maxim Integrated Products 1 VEE IN- (REF)IN+ 1 5 VCCOUT MAX917 MAX918 MAX919 MAX920 SOT23 TOP VIEW 2 3 4 ( ) ARE FOR MAX917/MAX918. PART PIN-PACKAGE TOP MARK PKG CODE MAX917EUK+T 5 SOT23 ADIQ U5+1 MAX917ESA+ 8 SO — S8+2 MAX918EUK+T 5 SOT23 ADIR U5+1 MAX918ESA+ 8 SO — S8+2 MAX919EUK+T 5 SOT23 ADIS U5+1 MAX919EUK/V+T 5 SOT23 AFGP U5+1 MAX919ESA+ 8 SO — S8+2 MAX920EUK+T 5 SOT23 ADIT U5+1 MAX920ESA+ 8 SO — S8+2 Pin Configurations continue at end of data sheet. Typical Application Circuit appears at end of data sheet. Pin Configurations Selector Guide Ordering Information Open-DrainYesMAX918 750 380 380 750 SUPPLY CURRENT (nA) Open-DrainNoMAX920 PART Push-PullNoMAX919 Push-PullYesMAX917 OUTPUT TYPE INTERNAL REFERENCE Beyond-the-Rails is a trademark of Maxim Integrated Products, Inc. 19-1512; Rev 2; 10/10 Note: All devices are specified over the -40°C to +85°C operating temperature range. +Denotes a lead(Pb)-free/RoHS-compliant package. /V denotes an automotive qualified part.

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M A X 9 1 7 – M A X 9 2 0 SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS—MAX917/MAX918 (VCC = +5V, VEE = 0V, VIN+ = VREF, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) 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. Supply Voltage (VCC to VEE)..................................................+6V Voltage Inputs (IN+, IN-, REF) .........(VEE - 0.3V) to (VCC + 0.3V) Current Into Input Pins......................................................±20mA Output Voltage MAX917/MAX919........................(VEE - 0.3V) to (VCC + 0.3V) MAX918/MAX920 ......................................(VEE - 0.3V) to +6V Output Current..................................................................±50mA Output Short-Circuit Duration .............................................10sec Continuous Power Dissipation (TA = +70°C) 5-Pin SOT23 (derate 7.31mW/°C above +70°C).........571mW 8-Pin SO (derate 5.88mW/°C above +70°C)...............471mW Operating Temperature Range ...........................-40°C to +85°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C Soldering Temperature (reflow) .......................................+260°C VCC = 1.8V VCC = 1.8V VCC = 5V VCC = 1.8V VCC = 5V Output-Voltage Swing Low VOL 190 400 mV 500 55 200 TA = TMIN to TMAX TA = +25°C 300 VCC = 5V, ISINK = 8mA TA = TMIN to TMAX VCC = 1.8V, ISINK = 1mA TA = +25°C TA = TMIN to TMAX TA = +25°C TA = TMIN to TMAX TA = +25°C TA = TMIN to TMAX TA = +25°C TA = TMIN to TMAX TA = +25°C TA = TMIN to TMAX TA = +25°C PARAMETER SYMBOL MIN TYP MAX UNITS 10 Input Offset Voltage VOS 1 5 mV IN+ Voltage Range VIN+ VEE - 0.2 VCC + 0.2 V 1.60 Input-Referred Hysteresis VHB 4 mV Input Bias Current IB 0.15 1 nA 2 Power-Supply Rejection Ratio PSRR 0.1 1 mV/V Supply Current Supply Voltage Range VCC 1.8 5.5 V ICC 0.75 µA0.80 1.30 Output-Voltage Swing High VCC - VOH 190 400 mV 500 55 200 300 Output Leakage Current ILEAK 0.001 1 µA Output Short-Circuit Current ISC 95 mA 8 98 10 CONDITIONS MAX917 only, VCC = 5V, ISOURCE = 8mA (Note 2) Inferred from the output swing test (Note 3) MAX917 only, VCC = 1.8V, ISOURCE = 1mA VCC = 1.8V to 5.5V MAX918 only, VO = 5.5V Sourcing, VO = VEE Inferred from the PSRR test Sinking, VO = VCC VCC = 5V

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M A X 9 1 7 – M A X 9 2 0 SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS—MAX919/MAX920 (VCC = +5V, VEE = 0V, VCM = 0V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) VCC = 1.8V VCC = 5V Inferred from the PSRR test -0.2V ≤ VCM ≤ (VCC + 0.2V) (Note 3) TA = +25°C Inferred from the CMRR test -0.2V ≤ VCM ≤ (VCC + 0.2V) (Note 2) TA = +25°C CONDITIONS TA = TMIN to TMAX 0.45 0.80 µA 0.38 ICC V1.8 5.5VCCSupply Voltage Range Supply Current nA 0.15 1 IBInput Bias Current mV4VHBInput-Referred Hysteresis 1.2 TA = +25°C VVEE - 0.2 VCC + 0.2VCM Input Common-Mode Voltage Range mV 1 5 VOSInput Offset Voltage 10 UNITSMIN TYP MAXSYMBOLPARAMETER TA = TMIN to TMAX 2TA = TMIN to TMAX VCC = 5V, RPULLUP = 100kΩ VCC = 1.8V, RPULLUP = 100kΩ VCC = 5V VCC = 1.8V VCC = 1.8V MAX917 only 95 µs 30 tPD+ Low-to-High Propagation Delay (Note 4) 35 MAX918 only 120 µs 95 CONDITIONS TA = +25°C ms1.2 22 17 tPD- High-to-Low Propagation Delay (Note 4) tONPower-Up Time ΔIOUT = 10nA mV/nA±0.2 ΔVREF/ ΔIOUT Reference Load Regulation UNITSMIN TYP MAXSYMBOLPARAMETER CL = 15pF 1.8V ≤ VCC ≤ 5.5V BW = 10Hz to 100kHz, CREF = 1nF MAX917 only, CL = 15pF VCC = 5V BW = 10Hz to 100kHz TA = TMIN to TMAX mV/V0.1 ΔVREF/ ΔVCC Reference Line Regulation 215 µVRMSen Reference Output Voltage Noise 1.200 1.290 V 1.227 1.245 1.263 VREFReference Voltage µs4tFALLFall Time µs6tRISERise Time ppm/°CTCREF Reference Voltage Temperature Coefficient 600 ELECTRICAL CHARACTERISTICS—MAX917/MAX918 (continued) (VCC = +5V, VEE = 0V, VIN+ = VREF, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

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M A X 9 1 7 – M A X 9 2 0 SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS—MAX919/MAX920 (continued) (VCC = +5V, VEE = 0V, VCM = 0V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) Note 1: All specifications are 100% tested at TA = +25°C. Specification limits over temperature (TA = TMIN to TMAX) are guaranteed by design, not production tested. Note 2: VOS is defined as the center of the hysteresis band at the input. Note 3: The hysteresis-related trip points are defined as the edges of the hysteresis band, measured with respect to the center of the band (i.e., VOS) (Figure 2). Note 4: Specified with an input overdrive (VOVERDRIVE) of 100mV, and load capacitance of CL = 15pF. VOVERDRIVE is defined above and beyond the offset voltage and hysteresis of the comparator input. For the MAX917/MAX918, reference voltage error should also be added. Sinking, VO = VCC Sourcing, VO = VEE MAX920 only, VO = 5.5V TA = +25°C TA = +25°C MAX919 only, VCC = 1.8V, ISOURCE = 1mA TA = TMIN to TMAX VCC = 1.8V, ISINK = 1mA MAX919 only, VCC = 5V, ISOURCE = 8mA CONDITIONS ms1.2 10 tONPower-Up Time 98 8 mA 95 ISCOutput Short-Circuit Current µA0.001 1ILEAKOutput Leakage Current TA = TMIN to TMAX 300 TA = +25°C TA = TMIN to TMAX VCC = 5V, ISINK = 8mA 55 200 300 TA = +25°C TA = TMIN to TMAX 500 55 200 500 mV 190 400 VCC - VOHOutput-Voltage Swing High pA10IOSInput Offset Current mV 190 400 VOLOutput-Voltage Swing Low VCC = 5V VCC = 1.8V VCC = 5V VCC = 1.8V UNITSMIN TYP MAXSYMBOLPARAMETER MAX919 only, CL = 15pF µs6tRISE High-to-Low Propagation Delay (Note 4) Rise Time µs 17 tPD- VCC = 1.8V to 5.5V mV/V0.1 1PSRRPower-Supply Rejection Ratio (VEE - 0.2V) ≤ VCM ≤ (VCC + 0.2V) mV/V0.5 3CMRRCommon-Mode Rejection Ratio 22 VCC = 1.8V VCC = 5V MAX919 only Low-to-High Propagation Delay (Note 4) µs 30 tPD+ VCC = 5V VCC = 1.8V 95 MAX920 only VCC = 1.8V RPULLUP = 100kΩ 35 VCC = 5V RPULLUP = 100kΩ 120 CL = 15pF µs4tFALLFall Time

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M A X 9 1 7 – M A X 9 2 0 SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference _______________________________________________________________________________________ 5 500 600 700 800 900 1.5 2.5 3.5 4.52.0 3.0 4.0 5.0 5.5 MAX917/MAX918 SUPPLY CURRENT vs. SUPPLY VOLTAGE AND TEMPERATURE M A X 9 1 7 -9 2 0 t o c0 1 SUPPLY VOLTAGE (V) S U P P LY C U R R EN T (n A ) TA = +85°C TA = +25°C TA = -40°C 300 400 500 600 1.5 2.5 3.5 4.52.0 3.0 4.0 5.0 5.5 MAX919/MAX920 SUPPLY CURRENT vs. SUPPLY VOLTAGE AND TEMPERATURE M A X 9 1 7 -9 2 0 t o c0 2 SUPPLY VOLTAGE (V) S U P P LY C U R R EN T (n A ) TA = +85°C TA = +25°C TA = -40°C 500 550 600 650 700 750 800 850 900 -40 -15 10 35 60 85 MAX917/MAX918 SUPPLY CURRENT vs. TEMPERATURE M A X 9 1 7 -9 2 0 t o c0 3 TEMPERATURE (°C) S U P P LY C U R R EN T (n A ) VCC = 3V VCC = 5V VCC = 1.8V 300 350 400 450 500 550 -40 -15 10 35 60 85 MAX919/MAX920 SUPPLY CURRENT vs. TEMPERATURE M A X 9 1 7 -9 2 0 t o c0 4 TEMPERATURE (°C) S U P P LY C U R R EN T (n A ) VCC = 3V VCC = 5V VCC = 1.8V 0 100 50 250 200 150 400 350 300 450 0 6 82 4 10 12 14 16 OUTPUT-VOLTAGE LOW vs. SINK CURRENT M A X 9 1 7 -9 2 0 t o c0 7 SINK CURRENT (mA) V O L (m V ) VCC = 1.8V VCC = 3V VCC = 5V 10 12 14 16 0 1 10 100 1k 10k 100k MAX917/MAX918 SUPPLY CURRENT vs. OUTPUT TRANSITION FREQUENCY 2 M A X 9 1 7 -9 2 0 t o c0 5 OUTPUT TRANSITION FREQUENCY (Hz) S U P P LY C U R R EN T (μ A ) 4 6 8 VCC = 1.8V VCC = 3V VCC = 5V 10 12 14 0 1 10 100 1k 10k 100k MAX919/MAX920 SUPPLY CURRENT vs. OUTPUT TRANSITION FREQUENCY 2 M A X 9 1 7 -9 2 0 t o c0 6 OUTPUT TRANSITION FREQUENCY (Hz) S U P P LY C U R R EN T (μ A ) 4 6 8 VCC = 1.8V VCC = 3V VCC = 5V 0 100 200 500 400 300 600 0 6 82 4 10 12 14 16 OUTPUT-VOLTAGE LOW vs. SINK CURRENT AND TEMPERATURE M A X 9 1 7 -9 2 0 t o c0 8 SINK CURRENT (mA) V O L (m V ) TA = +25°C TA = -40°C TA = +85°C 0 0.3 0.2 0.1 0.4 0.5 0.6 0 862 4 10 12 14 16 18 20 MAX917/MAX919 OUTPUT-VOLTAGE HIGH vs. SOURCE CURRENT M A X 9 1 7 -9 2 0 t o c0 9 SOURCE CURRENT (mA) V C C - V O H ( V ) VCC = 1.8V VCC = 3V VCC = 5V Typical Operating Characteristics (VCC = +5V, VEE = 0V, CL = 15pF, VOVERDRIVE = 100mV, TA = +25°C, unless otherwise noted.)

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M A X 9 1 7 – M A X 9 2 0 SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference 6 _______________________________________________________________________________________ 0 0.3 0.2 0.1 0.4 0.5 0.6 0 862 4 10 12 14 16 18 20 MAX917/MAX919 OUTPUT-VOLTAGE HIGH vs. SOURCE CURRENT AND TEMPERATURE M A X 9 1 7 -9 2 0 t o c1 0 SOURCE CURRENT (mA) V C C - V O H ( V ) TA = +25°C TA = -40°C TA = +85°C 0 40 20 80 60 100 120 -40 10-15 35 60 85 SHORT-CIRCUIT SINK CURRENT vs. TEMPERATURE M A X 9 1 7 -9 2 0 t o c1 1 TEMPERATURE (°C) S IN K C U R R EN T (m A ) VCC = 3V VCC = 5V VCC = 1.8V 0 40 20 80 60 120 100 140 -40 10-15 35 60 85 MAX917/MAX919 SHORT-CIRCUIT SOURCE CURRENT vs. TEMPERATURE M A X 9 1 7 -9 2 0 t o c1 2 TEMPERATURE (°C) S O U R C E C U R R EN T (m A ) VCC = 3V VCC = 5V VCC = 1.8V 0.03 0.05 0.04 0.07 0.06 0.09 0.08 0.10 -40 10-15 35 60 85 OFFSET VOLTAGE vs. TEMPERATURE M A X 9 1 7 -9 2 0 t o c1 3 TEMPERATURE (°C) V O S ( m V ) VCC = 3V VCC = 5V VCC = 1.8V 1.2440 1.2445 1.2450 1.2455 1.2460 1.5 2.5 3.5 4.52.0 3.0 4.0 5.0 5.5 MAX917/MAX918 REFERENCE VOLTAGE vs. SUPPLY VOLTAGE M A X 9 1 7 -9 2 0 t o c1 6 SUPPLY VOLTAGE (V) R EF ER EN C E V O LT A G E (V ) 2.5 3.5 3.0 4.5 4.0 5.0 -40 10-15 35 60 85 HYSTERESIS VOLTAGE vs. TEMPERATURE M A X 9 1 7 -9 2 0 t o c1 4 TEMPERATURE (°C) V H B ( m V ) 1.241 1.243 1.242 1.245 1.244 1.246 -40 10-15 35 60 85 MAX917/MAX918 REFERENCE VOLTAGE vs. TEMPERATURE M A X 9 1 7 -9 2 0 t o c1 5 TEMPERATURE (°C) R EF ER EN C E V O LT A G E (V ) VCC = 3V VCC = 5V VCC = 1.8V 1.2415 1.2420 1.2425 1.2430 1.2435 1.2440 0 4 52 31 6 7 8 9 10 MAX917/MAX918 REFERENCE OUTPUT VOLTAGE vs. REFERENCE SOURCE CURRENT M A X 9 1 7 -9 2 0 t o c1 7 SOURCE CURRENT (nA) V R EF ( V ) VCC = 3V VCC = 5V VCC = 1.8V 1.2435 1.2440 1.2445 1.2450 1.2455 1.2460 0 4 52 31 6 7 8 9 10 MAX917/MAX918 REFERENCE OUTPUT VOLTAGE vs. REFERENCE SINK CURRENT M A X 9 1 7 -9 2 0 t o c1 8 SINK CURRENT (nA) V R EF ( V ) VCC = 3V VCC = 5V VCC = 1.8V Typical Operating Characteristics (continued) (VCC = +5V, VEE = 0V, CL = 15pF, VOVERDRIVE = 100mV, TA = +25°C, unless otherwise noted.)

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M A X 9 1 7 – M A X 9 2 0 SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference _______________________________________________________________________________________ 7 0 10 5 20 15 25 30 -40 10-15 35 60 85 PROPAGATION DELAY (tPD-) vs. TEMPERATURE M A X 9 1 7 -9 2 0 t o c1 9 TEMPERATURE (°C) t P D - (μ s) VCC = 5V VCC = 1.8V VCC = 3V 0 40 20 80 60 100 120 140 -40 10-15 35 60 85 MAX917/MAX919 PROPAGATION DELAY (tPD+) vs. TEMPERATURE M A X 9 1 7 -9 2 0 t o c2 0 TEMPERATURE (°C) t P D + (μ s) VCC = 5V VCC = 1.8V VCC = 3V 0 40 20 80 60 100 120 0.01 10.1 10 100 1000 PROPAGATION DELAY (tPD-) vs. CAPACITIVE LOAD M A X 9 1 7 -9 2 0 t o c2 1 CAPACITIVE LOAD (nF) t P D - (μ s) VCC = 5V VCC = 1.8V VCC = 3V 0 40 20 80 60 100 120 140 160 0.01 10.1 10 100 1000 MAX917/MAX919 PROPAGATION DELAY (tPD+) vs. CAPACITIVE LOAD M A X 9 1 7 -9 2 0 t o c2 2 CAPACITIVE LOAD (nF) t P D + (μ s) VCC = 5V VCC = 1.8V VCC = 3V 10 30 20 50 40 60 70 0 2010 30 40 50 PROPAGATION DELAY (tPD-) vs. INPUT OVERDRIVE M A X 9 1 7 -9 2 0 t o c2 3 INPUT OVERDRIVE (mV) t P D - (μ s) VCC = 5V VCC = 1.8V VCC = 3V 0 30 20 10 40 50 60 70 80 90 100 0 2010 30 40 50 MAX917/MAX919 PROPAGATION DELAY (tPD+) vs. INPUT OVERDRIVE M A X 9 1 7 -9 2 0 t o c2 4 INPUT OVERDRIVE (mV) t P D + (μ s) VCC = 5V VCC = 3V VCC = 1.8V 10 100 1k 10k MAX918/MAX920 PROPAGATION DELAY (tPD-) vs. PULLUP RESISTANCE M A X 9 1 7 -9 2 0 t o c2 5 RPULLUP (kΩ) t P D - (μ s) 20 14 15 16 17 18 19 VCC = 5V VCC = 1.8V VCC = 3V 10 100 1k 10k MAX918/MAX920 PROPAGATION DELAY (tPD+) vs. PULLUP RESISTANCE M A X 9 1 7 -9 2 0 t o c2 6 RPULLUP (kΩ) t P D - (μ s) 250 0 50 100 150 200 VCC = 5V VCC = 1.8V VCC = 3V IN+ (50mV/ div) OUT (2V/div) PROPAGATION DELAY (tPD-) (VCC = 5V) 20μs/div MAX917-920 toc27 Typical Operating Characteristics (continued) (VCC = +5V, VEE = 0V, CL = 15pF, VOVERDRIVE = 100mV, TA = +25°C, unless otherwise noted.)

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M A X 9 1 7 – M A X 9 2 0 SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference 8 _______________________________________________________________________________________ Typical Operating Characteristics (continued) (VCC = +5V, VEE = 0V, CL = 15pF, VOVERDRIVE = 100mV, TA = +25°C, unless otherwise noted.) IN+ (50mV/ div) OUT (2V/div) MAX917/MAX919 PROPAGATION DELAY (tPD+) (VCC = 5V) 20μs/div MAX917-920 toc28 IN+ (50mV/ div) OUT (2V/div) PROPAGATION DELAY (tPD-) (VCC = 3V) 20μs/div MAX917-920 toc29 IN+ (50mV/ div) OUT (2V/div) MAX917/MAX919 PROPAGATION DELAY (tPD+) (VCC = 3V) 20μs/div MAX917-920 toc30 IN+ (50mV/ div) OUT (1V/div) PROPAGATION DELAY (tPD-) (VCC = 1.8V) 20μs/div MAX917-920 toc31 IN+ (50mV/div) OUT (2V/div) MAX917/MAX919 1kHz RESPONSE (VCC = 5V) 200μs/div MAX917-920 toc34 IN+ (50mV/ div) OUT (1V/div) MAX917/MAX919 PROPAGATION DELAY (tPD+) (VCC = 1.8V) 20μs/div MAX917-920 toc32 IN+ (50mV/ div) OUT (1V/div) MAX917/MAX919 10kHz RESPONSE (VCC = 1.8V) 20μs/div MAX917-920 toc33 VCC (2V/div) OUT (2V/div) POWER-UP/DOWN RESPONSE 40μs/div MAX917-920 toc35

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M A X 9 1 7 – M A X 9 2 0 SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference _______________________________________________________________________________________ 9 Pin Description Functional Diagrams MAX917 MAX918 IN+ OUT VCC VEE REF REF 1.245V MAX919 MAX920 IN+ OUT VCC VEE IN- MAX917/MAX918 SO PIN SOT23-5 MAX919/MAX920 SOT23-5 SO N.C. VCC VEE IN- REF IN+ OUT 1, 5, 8 7 4 2 — 3 6 — 5 2 4 — 3 1 — 1, 5, 8 No Connection. Not internally connected. 5 7 Positive Supply Voltage 2 4 Negative Supply Voltage — — Comparator Inverting Input 4 2 1.245V Reference Output and Comparator Inverting Input 3 3 Comparator Noninverting Input 1 6 Comparator Output NAME FUNCTION Detailed Description The MAX917/MAX918 feature an on-board 1.245V ±1.5% reference, yet draw an ultra-low supply current of 750nA. The MAX919/MAX920 (without reference) consume just 380nA of supply current. All four devices are guaranteed to operate down to +1.8V. Their com- mon-mode input voltage range extends 200mV beyond-the-rails. Internal hysteresis ensures clean out- put switching, even with slow-moving input signals. Large internal output drivers allow rail-to-rail output swing with up to ±8mA loads. The output stage employs a unique design that mini- mizes supply-current surges while switching, virtually eliminating the supply glitches typical of many other comparators. The MAX917/MAX919 have a push-pull output stage that sinks as well as sources current. The MAX918/MAX920 have an open-drain output stage that can be pulled beyond VCC to an absolute maximum of 6V above VEE. These open-drain versions are ideal for implementing wire-ORed output logic functions. Input Stage Circuitry The input common-mode voltage range extends from VEE - 0.2V to VCC + 0.2V. These comparators operate at any differential input voltage within these limits. Input bias current is typically ±0.15nA if the input voltage is between the supply rails. Comparator inputs are pro- tected from overvoltage by internal ESD protection diodes connected to the supply rails. As the input volt- age exceeds the supply rails, these ESD protection diodes become forward biased and begin to conduct.

MAX917EUK+T Reviews

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February 23, 2020

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January 16, 2020

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January 2, 2020

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January 1, 2020

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December 31, 2020

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December 20, 2019

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December 17, 2019

Very Quick,no problems - Thank you.

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December 13, 2019

Received Quickly. Excellent Communication. Capacitors Look Excellent.

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December 12, 2019

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December 8, 2019

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