Reference. MAX9117 Datasheet

MAX9117 Datasheet PDF


Part Number

MAX9117

Description

Beyond-the-Rails Comparators With/Without Reference

Manufacture

Maxim

Total Page 14 Pages
PDF Download
Download MAX9117 Datasheet PDF


MAX9117 Datasheet
19-1862; Rev 4; 1/07
SC70, 1.6V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
General Description
The 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.
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
PART
MAX9117
MAX9118
MAX9119
MAX9120
INTERNAL
REFERENCE
Yes
Yes
No
No
Selector Guide
OUTPUT
TYPE
Push-Pull
Open-Drain
Push-Pull
Open-Drain
SUPPLY
CURRENT
(nA)
600
600
350
350
Typical Application Circuit appears at end of data sheet.
Beyond-the-Rails is a trademark of Maxim Integrated Products, Inc.
Features
Space-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 +1.6V
Internal 1.252V ±1.75% Reference
(MAX9117/MAX9118)
Input Voltage Range Extends 200mV
Beyond-the-Rails
CMOS Push-Pull Output with ±5mA Drive
Capability (MAX9117/MAX9119)
Open-Drain Output Versions Available
(MAX9118/MAX9120)
Crowbar-Current-Free Switching
Internal Hysteresis for Clean Switching
No Phase Reversal for Overdriven Inputs
Ordering Information
PART
PIN-
PACKAGE
TOP
MARK
PKG
CODE
MAX9117EXK-T 5 SC70-5
ABW
X5-1
MAX9117ESA+
8 SO
— S8-2
MAX9118EXK-T 5 SC70-5
ABX X5-1
MAX9119EXK-T 5 SC70-5
ABY X5-1
MAX9120EXK-T 5 SC70-5
ABZ X5-1
MAX9120ESA+
8 SO
— S8-2
Note: All devices specified for over -40°C to +85°C operating
temperature range.
+Denotes lead-free package.
Pin Configurations
TOP VIEW
OUT 1
VEE 2
IN+ 3
MAX9117
MAX9118
MAX9119
MAX9120
5 VCC
N.C. 1
IN- (REF) 2
IN+ 3
4 IN- (REF)
VEE 4
MAX9117
MAX9120
8 N.C.
7 VCC
6 OUT
5 N.C.
SC70
SO
( ) ARE FOR MAX9117/MAX9118.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

MAX9117 Datasheet
SC70, 1.6V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC to 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
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.
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)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNITS
Supply Voltage Range
Supply Current
VCC
ICC
Inferred from the PSRR TA = +25°C
test TA = TMIN to TMAX
VCC = 1.6V
TA = +25°C
VCC = 5V
TA = +25°C
TA = TMIN to TMAX
1.6 5.5
1.8 5.5
0.60
0.68
1
1.3
1.6
V
µA
IN+ Voltage Range
VIN+ Inferred from output swing test
VEE -
0.2
VCC +
0.2
V
Input Offset Voltage
Input-Referred Hysteresis
Input Bias Current
VOS
VHB
IB
(Note 2)
(Note 3)
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
1
4
0.15
5
10
1
2
mV
mV
nA
Power-Supply Rejection Ratio
PSRR
VCC = 1.6V to 5.5V, TA = +25°C
VCC = 1.8V to 5.5V, TA = TMIN to TMAX
0.1 1
mV/V
1
Output Voltage Swing High
MAX9117, VCC = 5V,
ISOURCE = 5mA
VCC - VOH
MAX9117,
ISOURCE = 1mA
TA = +25°C
TA = TMIN to TMAX
VCC = 1.6V, TA = +25°C
VCC = 1.8V,
TA = TMIN to TMAX
190 400
500
100 200
300
mV
Output Voltage Swing Low
VOL
VCC = 5V, ISINK= 5mA
ISINK= 1mA
TA = +25°C
TA = TMIN to TMAX
VCC = 1.6V, TA = +25°C
VCC = 1.8V,
TA = TMIN to TMAX
190 400
500
100 200
300
mV
Output Leakage Current
Output Short-Circuit Current
High-to-Low Propagation Delay
(Note 4)
ILEAK
ISC
tPD-
MAX9118 only, VO = 5.5V
Sourcing, VO = VEE
VCC = 5V
VCC = 1.6V
Sinking, VO = VCC
VCC = 5V
VCC = 1.6V
VCC = 1.6V
VCC = 5V
0.002
35
3
35
3
16
14
1
µA
mA
µs
2 _______________________________________________________________________________________


Features Datasheet pdf 19-1862; Rev 4; 1/07 MAX9117–MAX9120 SC70, 1.6V, Nanopower, Beyond-the-Rail s Comparators With/Without Reference G eneral Description The MAX9117–MAX912 0 nanopower comparators in space-saving SC70 packages feature Beyond-theRails inputs and are guaranteed to operate down to +1.6V. The MAX9117/MAX9118 fea ture an on-board 1.252V ±1.75% referen ce and draw an ultra-low supply current of only 600nA, while the MAX9119/MAX91 20 (without reference) require just 350 nA of supply current. These features ma ke the MAX9117–MAX9120 family of comp arators ideal for all 2-cell battery-mo nitoring/management applications. The u nique design of the output stage limits supply-current surges while switching, virtually eliminating the supply glitc hes typical of many other comparators. This design also minimizes overall powe r consumption under dynamic conditions. The MAX9117/MAX9119 have a push-pull o utput stage that sinks and sources curr ent. Large internal-output drivers allow rail-to-rail output sw.
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