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MAX991

Description
DUAL COMPARATOR, 7000 uV OFFSET-MAX, 210 ns RESPONSE TIME, PDSO8
Categorysemiconductor    Analog mixed-signal IC   
File Size2MB,13 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric View All

MAX991 Overview

DUAL COMPARATOR, 7000 uV OFFSET-MAX, 210 ns RESPONSE TIME, PDSO8

MAX991 Parametric

Parameter NameAttribute value
Number of functions2
Number of terminals8
Maximum supply/operating voltage6 V
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Rated supply voltage2.7 V
Maximum negative supply voltage0.0 V
Rated negative supply voltage0.0 V
Rated response time210 ns
Maximum input offset voltage7000 mV
Processing package description0.150 INCH, SOIC-8
stateACTIVE
packaging shapeRectangle
Package SizeSMALL OUTLINE
surface mountYes
Terminal formGULL WING
Terminal spacing1.27 mm
terminal coatingtin lead
Terminal locationpair
Packaging MaterialsPlastic/Epoxy
Temperature levelINDUSTRIAL
Output typeO-DRN
Amplifier typeComparators
Maximum input bias current IIB0.0100 uA
MAX987/MAX988/MAX991/
MAX992/MAX995/MAX996
General Description
High-Speed, Micropower, Low-Voltage,
Rail-to-Rail I/O Comparators
Benefits and Features
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 V
CC
to 6V (max)
above V
EE
. 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.
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 V
CC
(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
MAX987EXK-T
MAX987ESA
PIN-PACKAGE
5 SC70-5
8 SO
PKG
CODE
X5-1
S8-2
TOP
MARK
ABM
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
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
V
EE
Applications
Portable/Battery-
Powered Systems
Mobile Communications
Zero-Crossing Detectors
Window Comparators
Level Translators
Threshold Detectors/
Discriminators
Ground/Supply Sensing
IR Receivers
Digital Line Receivers
V
CC
2
IN+ 3
MAX987
MAX988
4
IN-
SC70
μMAX is a registered trademark of Maxim Integrated Products,
Inc.
Pin Configurations continued at end of data sheet.
19-1266; Rev 3; 2/17
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