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MAX9118EXK+-MAX9118EXK+T-MAX9119EXK+T-MAX9120EXK+T
SC70, 1.6V, Nanopower, Beyond-the-Rails Comparators With/Without Reference
General DescriptionThe MAX9117–MAX9120 nanopower comparators in
space-saving SC70 packages feature Beyond-the-
Rails™ inputs and are guaranteed to operate down to
+1.6V. The MAX9117/MAX9118 feature an on-board
1.252V ±1.75% reference and draw an ultra-low supply
current of only 600nA, while the MAX9119/MAX9120
(without reference) require just 350nA of supply current.
These features make the MAX9117–MAX9120 family of
comparators ideal for all 2-cell battery-monitoring/man-
agement applications.
The unique design of the output stage limits supply-cur-
rent surges while switching, virtually eliminating the sup-
ply glitches typical of many other comparators. This
design also minimizes overall power consumption under
dynamic conditions. The MAX9117/MAX9119 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 5mA. The MAX9118/MAX9120
have an open-drain output stage that makes them suit-
able for mixed-voltage system design. All devices are
available in the ultra-small 5-pin SC70 package.
Applications2-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
FeaturesSpace-Saving SC70 Package (Half the Size of
SOT23)Ultra-Low Supply Current
350nA Per Comparator (MAX9119/MAX9120)
600nA Per Comparator with Reference
(MAX9117/MAX9118)Guaranteed to Operate Down to +1.6VInternal 1.252V ±1.75% Reference
(MAX9117/MAX9118)Input Voltage Range Extends 200mV
Beyond-the-RailsCMOS Push-Pull Output with ±5mA Drive
Capability (MAX9117/MAX9119)Open-Drain Output Versions Available
(MAX9118/MAX9120)Crowbar-Current-Free SwitchingInternal Hysteresis for Clean SwitchingNo Phase Reversal for Overdriven Inputs
MAX9117–MAX9120
SC70, 1.6V, Nanopower, Beyond-the-Rails
Comparators With/Without ReferenceVEE
IN- (REF)IN+5VCCOUT
MAX9117
MAX9118
MAX9119
MAX9120
SC70TOP VIEW4
( ) ARE FOR MAX9117/MAX9118.
IN- (REF)
N.C.VEE8N.C.N.C.
MAX9117
MAX9120
IN+3
VCC7
OUT65
Typical Application Circuit appears at end of data sheet.
Pin ConfigurationsSelector Guide
Ordering InformationBeyond-the-Rails is a trademark of Maxim Integrated Products, Inc.
19-1862; Rev 4; 1/07
PARTINTERNAL
REFERENCE
OUTPUT
TYPE
SUPPLY
CURRENT
(nA)MAX9117YesPush-Pull600
MAX9118YesOpen-Drain600
350Push-PullNoMAX9119
MAX9120NoOpen-Drain350
PARTPIN-
PACKAGE
TOP
MARK
PKG
CODE
MAX9117EXK-T5 SC70-5ABWX5-1
MAX9117ESA+8 SO—S8-2
MAX9118EXK-T5 SC70-5ABXX5-1
MAX9119EXK-T5 SC70-5ABYX5-1
MAX9120EXK-T5 SC70-5ABZX5-1
MAX9120ESA+8 SO—S8-2
Note: All devices specified for over -40°C to +85°C operatingtemperature range.
+Denotes lead-free package.
MAX9117–MAX9120
SC70, 1.6V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—MAX9117/MAX9118 (with REF)(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 (VCCto VEE)..................................................+6V
Voltage Inputs (IN+, IN-, REF).........(VEE- 0.3V) to (VCC+ 0.3V)
Output Voltage
MAX9117/MAX9119....................(VEE- 0.3V) to (VCC+ 0.3V)
MAX9118/MAX9120..................................(VEE- 0.3V) to +6V
Current Into Input Pins......................................................±20mA
Output Current..................................................................±50mA
Output Short-Circuit Duration.................................................10s
Continuous Power Dissipation (TA= +70°C)
5-Pin SC70 (derate 2.5mW/°C above +70°C).............200mW
8-Pin SO (derate 5.88mW/°C above +70°C)...............471mW
Operating Temperature Range...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITSTA = +25°C1.65.5Supply Voltage RangeVCCInferred from the PSRR
testTA = TMIN to TMAX1.85.5V
VCC = 1.6VTA = +25°C0.601
TA = +25°C0.681.3Supply CurrentICCVCC = 5VTA = TMIN to TMAX1.6
IN+ Voltage RangeVIN+Inferred from output swing testVEE -
VCC +
0.2V
TA = +25°C15Input Offset VoltageVOS(Note 2)TA = TMIN to TMAX10mV
Input-Referred HysteresisVHB(Note 3)4mV
TA = +25°C0.151Input Bias CurrentIBTA = TMIN to TMAX2nA
VCC = 1.6V to 5.5V, TA = +25°C0.11
Power-Supply Rejection RatioPSRRVCC = 1.8V to 5.5V, TA = TMIN to TMAX1mV/V
TA = +25°C190400MAX9117, VCC = 5V,
ISOURCE = 5mATA = TMIN to TMAX500
VCC = 1.6V, TA = +25°C100200Output Voltage Swing HighVCC - VOH
MAX9117,
ISOURCE = 1mAVCC = 1.8V,
TA = TMIN to TMAX300
TA = +25°C190400VCC = 5V, ISINK = 5mATA = TMIN to TMAX500
VCC = 1.6V, TA = +25°C100200Output Voltage Swing LowVOL
ISINK = 1mAVCC = 1.8V,
TA = TMIN to TMAX300
Output Leakage CurrentILEAKMAX9118 only, VO = 5.5V0.0021µA
VCC = 5V35Sourcing, VO = VEEVCC = 1.6V3
VCC = 5V35Output Short-Circuit CurrentISC
Sinking, VO = VCCVCC = 1.6V3
VCC = 1.6V16High-to-Low Propagation Delay
(Note 4)tPD-VCC = 5V14µs
MAX9117–MAX9120
SC70, 1.6V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
ELECTRICAL CHARACTERISTICS—MAX9119/MAX9120 (without REF)(VCC= +5V, VEE= 0V, VCM= 0V, TA= -40°C to +85°C, unless otherwise noted. Typical values are at TA= +25°C.) (Note 1)
ELECTRICAL CHARACTERISTICS—MAX9117/MAX9118 (with REF) (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)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITSVCC = 1.6V15MAX9117 onlyVCC = 5V40
VCC = 1.6V, RPULLUP
= 100kΩ16Low-to-High Propagation Delay
(Note 4)tPD+
MAX9118 only
VCC = 5V,
RPULLUP = 100kΩ45
Rise TimetRISEMAX9117 only, CL = 15pF1.6µs
Fall TimetFALLCL = 15pF0.2µs
Power-Up TimetON1.2ms
TA = +25°C1.2301.2521.274Reference VoltageVREFTA = TMIN to TMAX1.1961.308V
Reference Voltage Temperature
CoefficientTCREF100pp m/
BW = 10Hz to 100kHz1.1Reference Output Voltage NoiseENBW = 10Hz to 100kHz, CREF = 1nF0.2mVRMS
Reference Line Regulation∆VREF/
∆VCCVCC = 1.6V to 5.5V0.25mV/V
Reference Load Regulation∆VREF/
∆IOUT∆IOUT = 10nA±1mV/
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITSTA = +25°C1.65.5Supply Voltage RangeVCCInferred from the
PSRR testTA = TMIN to TMAX1.85.5
VCC = 1.6V, TA = +25°C0.350.80
TA = +25°C0.450.80Supply CurrentICCVCC = 5VTA = TMIN to TMAX1.2
Input Common-Mode
Voltage RangeVCMInferred from the CMRR testVEE -
VCC +
0.2V
TA = +25°C15
Input Offset VoltageVOS
-0.2V ≤ VCM ≤
(VCC + 0.2V)
(Note 2)TA = TMIN to TMAX10
Input-Referred HysteresisVHB-0.2V ≤ VCM ≤ (VCC + 0.2V) (Note 3)4mV
TA = +25°C0.151Input Bias CurrentIBTA = TMIN to TMAX2nA
Input Offset CurrentIOS75pA
VCC = 1.6V to 5.5V, TA = +25°C0.11
Power-Supply Rejection RatioPSRR
VCC = 1.8V to 5.5V, TA = TMIN to TMAX1
mV/V
Common-Mode Rejection RatioCMRR(VEE - 0.2V) ≤ VCM ≤ (VCC + 0.2V)0.53mV/V
MAX9117–MAX9120
SC70, 1.6V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
ELECTRICAL CHARACTERISTICS—MAX9119/MAX9120 (without REF) (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= 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 MAX9117/MAX9118, reference voltage
error should also be added.
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITSTA = +25°C190400MAX9119 only, VCC =
5V, ISOURCE = 5mATA = TMIN to TMAX500
VCC = 1.6V,
TA = +25°C100200Output Voltage Swing HighVCC -
VOHMAX9119 only,
ISOURCE = 1mAVCC = 1.8V,
TA = TMIN to TMAX300
TA = +25°C190400VCC = 5V,
ISINK = 5mATA = TMIN to TMAX500
VCC = 1.6V,
TA = +25°C100200Output Voltage Swing LowVOL
ISINK = 1mA
VCC = 1.8V,
TA = TMIN to TMAX300
Output Leakage CurrentILEAKMAX9120 only, VO = 5.5V0.0011µA
VCC = 5V35Sourcing, VO = VEEVCC = 1.6V3
VCC = 5V35Output Short-Circuit CurrentISC
Sourcing, VO = VCCVCC = 1.6V3
VCC = 1.6V16High-to-Low Propagation Delay
(Note 4)tPD-VCC = 5V14µs
VCC = 1.6V15MAX9119 onlyVCC = 5V40
VCC = 1.6V,
RPULLUP = 100kΩ16Low-to-High Propagation Delay
(Note 4)tPD+
MAX9120 only
VCC = 5V,
RPULLUP = 100kΩ45
Rise TimetRISEMAX9119 only, CL = 15pF1.6µs
Fall TimetFALLCL = 15pF0.2µs
Power-Up TimetON1.2ms
MAX9117/MAX9118 SUPPLY CURRENT
vs. SUPPLY VOLTAGE AND TEMPERATURE
MAX9117-20 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (nA)
TA = +85°C
TA = +25°C
TA = -40°C
MAX9119/MAX9120 SUPPLY CURRENT
vs. SUPPLY VOLTAGE AND TEMPERATURE
MAX9117-20 toc02
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (nA)
TA = +85°C
TA = +25°C
TA = -40°C
MAX9117/MAX9118
SUPPLY CURRENT vs. TEMPERATURE
MAX9117-20 toc03
TEMPERATURE (°C)
SUPPLY CURRENT (nA)
VCC = +3V
VCC = +5V
VCC = +1.8V
MAX9119/MAX9120
SUPPLY CURRENT vs. TEMPERATURE
MAX9117-20 toc04
TEMPERATURE (°C)
SUPPLY CURRENT (nA)
VCC = +3V
VCC = +5V
VCC = +1.8V
OUTPUT VOLTAGE LOW
vs. SINK CURRENT
MAX9117-20 toc07
SINK CURRENT (mA)
(mV)
VCC = +1.8V
VCC = +5V
VCC = +3V101001k10k100k
MAX9117/MAX9118 SUPPLY CURRENT
vs. OUTPUT TRANSITION FREQUENCYMAX9117-20 toc05
OUTPUT TRANSITION FREQUENCY (Hz)
SUPPLY CURRENT (25
VCC = +1.8V
VCC = +5V
VCC = +3V101001k10k100k
MAX9119/MAX9120 SUPPLY CURRENT
vs. OUTPUT TRANSITION FREQUENCYMAX9117-20 toc06
OUTPUT TRANSITION FREQUENCY (Hz)
SUPPLY CURRENT (25
VCC = +1.8V
VCC = +5V
VCC = +3V
OUTPUT VOLTAGE LOW vs. SINK CURRENT
AND TEMPERATURE
MAX9117-20 toc08
SINK CURRENT (mA)
(mV)1579
TA = +85°C
TA = +25°C
TA = -40°C
MAX9117/MAX9119 OUTPUT VOLTAGE
HIGH vs. SOURCE CURRENT
MAX9117-20 toc09
SOURCE CURRENT (mA)
- V
(V)
VCC = +1.8V
VCC = +5V
VCC = +3V
MAX9117–MAX9120
SC70, 1.6V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
Typical Operating Characteristics(VCC= +5V, VEE = 0V, CL= 15pF, VOVERDRIVE= 100mV, TA= +25°C, unless otherwise noted.)
Typical Operating Characteristics (continued)(VCC= +5V, VEE = 0V, CL= 15pF, VOVERDRIVE= 100mV, TA= +25°C, unless otherwise noted.)
MAX9117–MAX9120
SC70, 1.6V, Nanopower, Beyond-the-Rails
Comparators With/Without ReferenceMAX9117/MAX9119 OUTPUT VOLTAGE
HIGH vs. SOURCE CURRENT AND TEMPERATURE
MAX9117-20 toc10
SOURCE CURRENT (mA)
- V
(V)
TA = +85°C
TA = +25°C
TA = -40°C
SHORT-CIRCUIT SINK CURRENT
vs. TEMPERATURE
MAX9117-20 toc11
TEMPERATURE (°C)
SINK CURRENT (mA)
VCC = +1.8V
VCC = +5V
VCC = +3V
MAX9117/MAX9119 SHORT-CIRCUIT SOURCE
CURRENT vs. TEMPERATURE
MAX9117-20 toc12
TEMPERATURE (°C)
SOURCE CURRENT (mA)
VCC = +1.8V
VCC = +3V
VCC = +5V
MAX9117-20 toc13
TEMPERATURE (°C)
(mV)
VCC = +3V
VCC = +5V
VCC = +1.8V
OFFSET VOLTAGE vs. TEMPERATUREHYSTERESIS VOLTAGE vs. TEMPERATURE
MAX9117-20 toc14
TEMPERATURE (°C)
(mV)
MAX9117/MAX9118
REFERENCE VOLTAGE vs. TEMPERATURE
MAX9117-20 toc15
TEMPERATURE (°C)
REFERENCE VOLTAGE (V)
VCC = +3V
VCC = +5V
VCC = +1.8V
MAX9117/MAX9118
REFERENCE VOLTAGE vs. SUPPLY VOLTAGE
MAX9117-20 toc16
SUPPLY VOLTAGE (V)
REFERENCE VOLTAGE (V)
MAX9117/MAX9118
REFERENCE OUTPUT VOLTAGE
vs. REFERENCE SOURCE CURRENT
MAX9117-20 toc17
SOURCE CURRENT (nA)
REFERENCE VOLTAGE (V)
VCC = +5V
VCC = +1.8V, +3V
MAX9117/MAX9118
REFERENCE OUTPUT VOLTAGE
vs. REFERENCE SINK CURRENT
MAX9117-20 toc18
SINK CURRENT (nA)
REFERENCE VOLTAGE (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.)
MAX9117–MAX9120
SC70, 1.6V, Nanopower, Beyond-the-Rails
Comparators With/Without ReferenceMAX9117-20 toc23
INPUT OVERDRIVE (mV)
PD-
PROPAGATION DELAY (tPD-)
vs. INPUT OVERDRIVEVCC = +3V
VCC = +5V
VCC = +1.8V1020304050
MAX9117-20 toc24
INPUT OVERDRIVE (mV)
tPD+
VCC = +5V
VCC = +3V
VCC = +1.8V
MAX9117/MAX9119
PROPAGATION DELAY (tPD+)
vs. INPUT OVERDRIVE100100010,000
MAX9118/MAX9120
PROPAGATION DELAY (tPD-)
vs. PULLUP RESISTANCEMAX9117-20 toc25
RPULLUP (kΩ)
tPD-
VCC = +5V
VCC = +1.8V
VCC = +3V100100010,000
MAX9118/MAX9120
PROPAGATION DELAY (tPD+)
vs. PULLUP RESISTANCEMAX9117-20 toc26
RPULLUP (kΩ)
tPD+
VCC = +5V
VCC = +1.8V
VCC = +3V
IN+
(50mV/div)
OUT
(2V/div)
PROPAGATION DELAY (tPD-)
(VCC = +5V)20μs/div
MAX9117-20 toc27
MAX9117-20 toc19
TEMPERATURE (°C)
PD-
PROPAGATION DELAY (tPD-)
vs. TEMPERATUREVCC = +1.8V
VCC = +3V
VCC = +5V
MAX9117-20 toc20
PD+
MAX9117/MAX9119
PROPAGATION DELAY (tPD+)
vs. TEMPERATURETEMPERATURE (°C)
VCC = +5V
VCC = +1.8V
VCC = +3V
MAX9117-20 toc21
CAPACITIVE LOAD (nF)
tPD-
PROPAGATION DELAY (tPD-)
vs. CAPACITIVE LOAD
VCC = +5V
VCC = +1.8V
VCC = +3V
MAX9117-20 toc22
CAPACITIVE LOAD (nF)
tPD+
MAX9117/MAX9119
PROPAGATION DELAY (tPD+)
vs. CAPACITIVE LOADVCC = +5V
VCC = +1.8V
VCC = +3V
