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MAX917ESAMAXIMN/a2avaiSOT23 / 1.8V / Nanopower / Beyond-the-Rails Comparators With/Without Reference
MAX917EUK-T |MAX917EUKTMAXIMN/a2232avaiSOT23 / 1.8V / Nanopower / Beyond-the-Rails Comparators With/Without Reference
MAX918ESAMAXIMN/a5avaiSOT23 / 1.8V / Nanopower / Beyond-the-Rails Comparators With/Without Reference
MAX918EUK-T |MAX918EUKTMAXIMN/a2500avaiSOT23 / 1.8V / Nanopower / Beyond-the-Rails Comparators With/Without Reference
MAX919ESAMAXN/a2avaiSOT23 / 1.8V / Nanopower / Beyond-the-Rails Comparators With/Without Reference
MAX919EUK-T |MAX919EUKTMAXN/a4avaiSOT23 / 1.8V / Nanopower / Beyond-the-Rails Comparators With/Without Reference
MAX919EUK-T |MAX919EUKTMAXIMN/a66avaiSOT23 / 1.8V / Nanopower / Beyond-the-Rails Comparators With/Without Reference
MAX920ESAMAXIMN/a18avaiSOT23 / 1.8V / Nanopower / Beyond-the-Rails Comparators With/Without Reference
MAX920ESAMAXN/a7avaiSOT23 / 1.8V / Nanopower / Beyond-the-Rails Comparators With/Without Reference
MAX920EUK-T |MAX920EUKTMAXIMN/a130avaiSOT23 / 1.8V / Nanopower / Beyond-the-Rails Comparators With/Without Reference


MAX918EUK-T ,SOT23 / 1.8V / Nanopower / Beyond-the-Rails Comparators With/Without Referencefeatures make the MAX917–MAX920 family of(MAX917/MAX918)comparators ideal for all 2-cell battery
MAX919ESA ,SOT23 / 1.8V / Nanopower / Beyond-the-Rails Comparators With/Without Referenceapplications,including monitoring/management. ♦ Input Voltage Range Extends 200mV Beyond-the-RailsT ..
MAX919ESA+ ,SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Referenceapplications,Beyond-the-Railsincluding monitoring/management. ♦ CMOS Push-Pull Output with ±8mA Dri ..
MAX919EUK+ ,SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without ReferenceELECTRICAL CHARACTERISTICS—MAX917/MAX918(V = +5V, V = 0V, V = V , T = -40°C to +85°C, unless otherw ..
MAX919EUK+T ,SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Referencefeatures make the MAX917–MAX920 family of♦ Input Voltage Range Extends 200mV comparators ideal for ..
MAX919EUK-T ,SOT23 / 1.8V / Nanopower / Beyond-the-Rails Comparators With/Without ReferenceELECTRICAL CHARACTERISTICS—MAX917/MAX918(V = +5V, V = 0, V = V , T = -40°C to +85°C, unless otherwi ..
MB88346BPFV ,R-2R type 8-bit D/A converter with operetional amplifier output buffersFUJITSU SEMICONDUCTORDS04-13501-2EDATA SHEETLINEAR ICR-2R TYPE 8-BIT D/A CONVERTER WITHOPERATIONAL ..
MB88346L ,D/A Converter for Digital Tuning (12-channel, 8-bit, on-chip OP amp, low-voltage)FUJITSU SEMICONDUCTORDS04-13511-2EDATA SHEETLinear IC ConverterCMOSD/A Converter for Digital Tuni ..
MB88347 ,R-2R TYPE 8-BIT D/A CONVERTER WITH OPERATIONAL AMPLIFIER OUTPUT BUFFERSFUJITSU SEMICONDUCTORDS04-13506-1EDATA SHEETLINEAR ICR-2R TYPE 8-BIT D/A CONVERTER WITHOPERATIONAL ..
MB88347L ,D/A Converter for Digital Tuning (8-channel, 8-bit, on-chip OP amp, low-voltage)FEATURES• Ultra-low power consumption (0.5 mW/ch: typical)• Low voltage operation (VCC = 2.7 to 3. ..
MB88347L ,D/A Converter for Digital Tuning (8-channel, 8-bit, on-chip OP amp, low-voltage)FEATURES• Ultra-low power consumption (0.5 mW/ch: typical)• Low voltage operation (VCC = 2.7 to 3. ..
MB88347L ,D/A Converter for Digital Tuning (8-channel, 8-bit, on-chip OP amp, low-voltage)FUJITSU SEMICONDUCTORDS04-13512-2EDATA SHEETLinear IC converterCMOSD/A Converter for Digital Tuning ..


MAX917ESA-MAX917EUK-T-MAX918ESA-MAX918EUK-T-MAX919ESA-MAX919EUK-T-MAX920ESA-MAX920EUK-T
SOT23 / 1.8V / Nanopower / Beyond-the-Rails Comparators With/Without Reference
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 +1.8VInternal 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 SwitchingInternal Hysteresis for Clean SwitchingNo Phase Reversal for Overdriven InputsSpace-Saving SOT23 Package
MAX917–MAX920
SOT23, 1.8V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
Pin ConfigurationsSelector Guide
Ordering Information

Beyond-the-Rails is a trademark of Maxim Integrated Products.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
19-1512; Rev 0; 7/99
MAX917–MAX920
SOT23, 1.8V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—MAX917/MAX918

(VCC= +5V, VEE= 0, 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 (VCCto VEE)..................................................+6V
Voltage Inputs (IN+, IN-, REF).........(VEE- 0.3V) to (VCC+ 0.3V)
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, 10sec).............................+300°C
MAX917–MAX920
SOT23, 1.8V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
ELECTRICAL CHARACTERISTICS—MAX919/MAX920

(VCC= +5V, VEE= 0, VCM= 0, TA= -40°C to +85°C, unless otherwise noted. Typical values are at TA= +25°C.) (Note 1)
ELECTRICAL CHARACTERISTICS—MAX917/MAX918 (continued)

(VCC= +5V, VEE= 0, VIN+= VREF, TA= -40°C to +85°C, unless otherwise noted. Typical values are at TA= +25°C.) (Note 1)
MAX917–MAX920
SOT23, 1.8V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
ELECTRICAL CHARACTERISTICS—MAX919/MAX920 (continued)

(VCC= +5V, VEE= 0, VCM= 0, 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= TMINto TMAX) are guaranteed
by design, not production tested.
Note 2:
VOSis 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. VOVERDRIVEis defined
above and beyond the offset voltage and hysteresis of the comparator input. For the MAX917/MAX918, reference voltage
error should also be added.
MAX917–MAX920
SOT23, 1.8V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference

MAX917/MAX918
SUPPLY CURRENT vs.
SUPPLY VOLTAGE AND TEMPERATURE
MAX917-920 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (nA)
MAX919/MAX920
SUPPLY CURRENT vs.
SUPPLY VOLTAGE AND TEMPERATURE
MAX917-920 toc02
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (nA)
MAX917/MAX918
SUPPLY CURRENT vs. TEMPERATURE
MAX917-920 toc03
TEMPERATURE (°C)
SUPPLY CURRENT (nA)
MAX919/MAX920
SUPPLY CURRENT vs. TEMPERATURE
MAX917-920 toc04
TEMPERATURE (°C)
SUPPLY CURRENT (nA)
OUTPUT VOLTAGE LOW vs. SINK CURRENT
MAX917-920 toc07
(mV)101001k10k100k
MAX917/MAX918
SUPPLY CURRENT vs.
OUTPUT TRANSITION FREQUENCY

MAX917-920 toc05
OUTPUT TRANSITION FREQUENCY (Hz)
SUPPLY CURRENT (101001k10k100k
MAX919/MAX920
SUPPLY CURRENT vs.
OUTPUT TRANSITION FREQUENCY

MAX917-920 toc06
OUTPUT TRANSITION FREQUENCY (Hz)
SUPPLY CURRENT (
OUTPUT VOLTAGE LOW vs. SINK CURRENT
AND TEMPERATURE
MAX917-920 toc08
SINK CURRENT (mA)
(mV)
MAX917/MAX919
OUTPUT VOLTAGE HIGH vs. SOURCE CURRENT
MAX917-920 toc09
SOURCE CURRENT (mA)
CC
- V
(V)
Typical Operating Characteristics

(VCC= +5V, VEE = 0, CL= 15pF, VOVERDRIVE = 100mV, TA= +25°C, unless otherwise noted.)
MAX917–MAX920
SOT23, 1.8V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference

MAX917/MAX919
OUTPUT VOLTAGE HIGH vs.
SOURCE CURRENT AND TEMPERATURE
MAX917-920 toc10
SOURCE CURRENT (mA)
CC
- V
(V)
SHORT-CIRCUIT SINK CURRENT
vs. TEMPERATURE
MAX917-920 toc11
TEMPERATURE (°C)
SINK CURRENT (mA)0
MAX917/MAX919
SHORT-CIRCUIT SOURCE CURRENT
vs. TEMPERATURE
MAX917-920 toc12
TEMPERATURE (°C)
SOURCE CURRENT (mA)
OFFSET VOLTAGE vs. TEMPERATURE
MAX917-920 toc13
TEMPERATURE (°C)
(mV)
MAX917/MAX918
REFERENCE VOLTAGE vs.
SUPPLY VOLTAGE
MAX917-920 toc16
SUPPLY VOLTAGE (V)
REFERENCE VOLTAGE (V)
HYSTERESIS VOLTAGE vs. TEMPERATURE
MAX917-920 toc14
TEMPERATURE (°C)
(mV)
MAX917/MAX918
REFERENCE VOLTAGE vs. TEMPERATURE
MAX917-920 toc15
TEMPERATURE (°C)
REFERENCE VOLTAGE (V)
MAX917/MAX918
REFERENCE OUTPUT VOLTAGE vs.
REFERENCE SOURCE CURRENT
MAX917-920 toc17
SOURCE CURRENT (nA)
REF
(V)
MAX917/MAX918
REFERENCE OUTPUT VOLTAGE vs.
REFERENCE SINK CURRENT
MAX917-920 toc18
SINK CURRENT (nA)
REF
(V)
Typical Operating Characteristics (continued)

(VCC= +5V, VEE = 0, CL= 15pF, VOVERDRIVE= 100mV, TA= +25°C, unless otherwise noted.)
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