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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX992 Datasheet

High-Speed / Micropower / Low-Voltage / SOT23 / Rail-to-Rail I/O Comparators

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MAX987/MAX988/MAX991/
MAX992/MAX995/MAX996
High-Speed, Micropower, Low-Voltage,
Rail-to-Rail I/O Comparators
General Description
The MAX987/MAX988/MAX991/MAX992/MAX995/
MAX996 single/dual/quad micropower comparators
feature low-voltage operation and rail-to-rail inputs and
outputs. Their operating voltage ranges from +2.5V to
+5.5V, making them ideal for both 3V and 5V systems.
These comparators also operate with ±1.25V to ±2.75V
dual supplies. They consume only 48μA per comparator
while achieving a 120ns propagation delay.
Input bias current is typically 1.0pA, and input offset voltage
is typically 0.5mV. Internal hysteresis ensures clean output
switching, even with slow-moving input signals.
The output stage’s unique design limits supply-current
surges while switching, virtually eliminating the supply
glitches typical of many other comparators. The MAX987/
MAX991/MAX995 have a push-pull output stage that
sinks as well as sources current. Large internal output
drivers allow rail-to-rail output swing with loads up to
8mA. The MAX988/MAX992/MAX996 have an open-drain
output stage that can be pulled beyond VCC to 6V (max)
above VEE. These open-drain versions are ideal for level
translators and bipolar to single-ended converters.
The single MAX987/MAX988 are available in tiny 5-pin
SC70 packages, while the dual MAX991/MAX992 are
available in ultra-small μMAX® package.
Selector Guide
PART
MAX987
MAX988
MAX991
MAX992
MAX995
MAX996
COMPARATORS
PER PACKAGE
1
1
2
2
4
4
OUTPUT
STAGE
Push-Pull
Open-Drain
Push-Pull
Open-Drain
Push-Pull
Open-Drain
Applications
● Portable/Battery-
● Threshold Detectors/
Powered Systems
Discriminators
● Mobile Communications ● Ground/Supply Sensing
● Zero-Crossing Detectors ● IR Receivers
● Window Comparators ● Digital Line Receivers
● Level Translators
μMAX is a registered trademark of Maxim Integrated Products,
Inc.
Benefits and Features
● 120ns Propagation Delay
48μA Quiescent Supply Current
● +2.5V to +5.5V Single-Supply Operation
● Common-Mode Input Voltage Range Extends
250mV Beyond the Rails
● Push-Pull Output Stage Sinks and Sources
8mA Current (MAX987/MAX991/MAX995)
● Open-Drain Output Voltage Extends Beyond VCC
(MAX988/MAX992/MAX996)
● Unique Output Stage Reduces Output Switching
Current, Minimizing Overall Power Consumption
100μA Supply Current at 1MHz Switching
Frequency
● No Phase Reversal for Overdriven Inputs
● Available in Space-Saving Packages:
• 5-Pin SC70 (MAX987/MAX988)
8-Pin μMAX (MAX991/MAX992)
Ordering Information
PART
PIN-PACKAGE
MAX987EXK-T 5 SC70-5
MAX987ESA 8 SO
PKG
CODE
X5-1
S8-2
TOP
MARK
ABM
Ordering Information continued at end of data sheet.
Note: All devices specified over the -40°C to +85°C operating
temperature range.
Typical Application Circuit appears at end of data sheet.
Pin Configurations
TOP VIEW
OUT 1
5 VEE
MAX987
VCC 2 MAX988
IN+ 3
4 IN-
SC70
Pin Configurations continued at end of data sheet.
19-1266; Rev 3; 2/17


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX992 Datasheet

High-Speed / Micropower / Low-Voltage / SOT23 / Rail-to-Rail I/O Comparators

No Preview Available !

MAX987/MAX988/MAX991/
MAX992/MAX995/MAX996
High-Speed, Micropower, Low-Voltage,
Rail-to-Rail I/O Comparators
Absolute Maximum Ratings
Supply Voltage (VCC to VEE)...................................................6V
IN_-, IN_+ to VEE...................................... -0.3V to (VCC + 0.3V)
Current into Input Pins......................................................±20mA
8-Pin SO (derate 5.88mW/°C above +70°C)................471mW
8-Pin μMAX (derate 4.5mW/°C above +70°C).............362mW
14-Pin TSSOP (derate 9.1mW/°C above +70°C).........727mW
OUT_ to VEE
MAX987/MAX991/MAX995................... -0.3V to (VCC + 0.3V)
MAX988/MAX992/MAX996..................................-0.3V to +6V
14-Pin SO (derate 8.33mW/°C above +70°C)..............667mW
Operating Temperature Range............................ -40°C to +85°C
Storage Temperature Range............................. -65°C to +150°C
OUT_ Short-Circuit Duration to VEE or VCC.......................... 10s
Continuous Power Dissipation (TA = +70°C)
5-Pin SC70 (derate 3.1mW/°C above +70°C)..............247mW
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 (Note 1)
(VCC = +2.7V to +5.5V, VEE = 0V, VCM = 0V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
Supply Voltage
Supply Current per
Comparator
Power-Supply Rejection Ratio
SYMBOL
VCC
ICC
PSRR
CONDITIONS
Inferred from PSRR test
VCC = 5V
TA = +25°C
TA = -40°C to +85°C
VCC = 2.7V
TA = +25°C
TA = -40°C to +85°C
2.5V ≤ VCC ≤ 5.5V
Common-Mode Voltage
Range (Note 2)
Input Offset Voltage
(Note 3)
Input Hysteresis
Input Bias Current
(Note 4)
Input Offset Current
Input Capacitance
Common-Mode Rejection
Ratio
Output Leakage Current
(MAX988/MAX992/
MAX996 only)
Output Short-Circuit Current
OUT Output-Voltage Low
OUT Output-Voltage High
(MAX987/MAX991/
MAX995 Only)
VCMR
VOS
VHYST
IB
IOS
CIN
CMRR
TA = +25°C
TA = -40°C to +85°C
Full common-mode
range
ILEAK VOUT = high
ISC
VOL
VOH
Sourcing or sinking,
VOUT = VEE or VCC
VCC = 5V,
ISINK = 8mA
VCC = 2.7V,
ISINK = 3.5mA
VCC = 5V,
ISOURCE = 8mA
VCC = 2.7V,
ISOURCE = 3.5mA
TA = +25°C
TA = -40°C to +85°C
VCC = 5V
VCC = 2.7V
TA = +25°C
TA = -40°C to +85°C
TA = +25°C
TA = -40°C to +85°C
TA = +25°C
TA = -40°C to +85°C
TA = +25°C
TA = -40°C to +85°C
MIN
2.5
55
VEE -
0.25
VEE
50
TYP
53
48
80
±0.5
±2.5
0.001
0.5
1.0
80
MAX
5.5
80
96
80
96
VCC +
0.25
VCC
±5
±7
UNITS
V
μA
dB
V
mV
mV
10 nA
pA
pF
dB
1.0
4.6
4.45
2.4
2.3
95
35
0.2
0.15
4.85
2.55
0.4
0.55
0.3
0.4
μA
mA
V
V
www.maximintegrated.com
Maxim Integrated 2


Part Number MAX992
Description High-Speed / Micropower / Low-Voltage / SOT23 / Rail-to-Rail I/O Comparators
Maker Maxim
Total Page 13 Pages
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