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TSM931E

Description
Ultra Low-Power Single/Dual-Supply Comparators with Reference
File Size1MB,21 Pages
ManufacturerTouchstone Semiconductor Inc. (Silicon Lab)
Websitehttp://www.touchstonesemi.com/
Download Datasheet View All

TSM931E Overview

Ultra Low-Power Single/Dual-Supply Comparators with Reference

TSM931-TSM934
Ultra Low-Power Single/Dual-Supply Comparators with Reference
FEATURES
Alternate source for MAX931-MAX934
Ultra-Low Quiescent Current Over Temperature
TSM931 Single+Reference: 4μA (max)
TSM932/TSM933 Dual+Reference: 6μA (max)
TSM934 Quad+Reference: 8.5μA (max)
Single or Dual Power Supplies:
Single: +2.5V to +11V
Dual: ±1.25V to ±5.5V
Input Voltage Range Includes Negative Supply
12μs Propagation Delay at 10mV Overdrive
Push-pull TTL/CMOS-Compatible Outputs
Crowbar-Current-Free Switching
Continuous Source Current Capability: 40mA
Internal 1.182V ±2% Reference:
TSM931/TSM932/TSM933
Adjustable Hysteresis:
TSM931/TSM932/TSM933
DESCRIPTION
The TSM931–TSM934 family of single/dual/quad,
low-voltage, micropower analog comparators is
electrically and form-factor identical to the MAX931-
MAX934 family of analog comparators. Ideal for 3V or
5V single-supply applications, the TSM931–TSM934
family can operate from single +2.5V to +11V
supplies or from ±1.25V to ±5.5V dual supplies. The
single TSM931 draws less than 4μA (max) supply
current over temperature. The dual TSM932/933 and
the quad TSM934 each draw less than 3μA per
comparator over temperature.
All comparators in this family exhibit an input voltage
range from the negative supply rail to within 1.3V of
the positive supply. In addition, the comparators’
push-pull output stages are TTL/CMOS compatible
and capable of sinking and sourcing current. The
TSM931/TSM932/TSM933 each incorporates an
internal 1.182V ±2% voltage reference. Without
complicated feedback configurations and only
requiring two additional resistors, adding external
hysteresis via a separate pin is available on the
TSM931, the TSM932, and the TSM933.
APPLICATIONS
Threshold Detectors
Window Comparator
Level Translators
Oscillator Circuits
Battery-Powered Systems
TYPICAL APPLICATION CIRCUIT
INTERNAL COMPARATORS INTERNAL
REFERENCE PER PACKAGE HYSTERESIS
Yes
1
Yes
Yes
2
Yes
Yes
2
Yes
Yes
4
No
A 5V, Low-Parts-Count Window Detector
PART
TSM931
TSM932
TSM933
TSM934
PART
TSM931C
TSM931E
TSM932C
TSM932E
TSM933C
TSM933E
TSM934C
TSM934E
TEMPERATURE
PACKAGE
RANGE
0ºC to 70ºC
8-Pin MSOP/SOIC
-40ºC to 85ºC
0ºC to 70ºC
8-Pin MSOP/SOIC
-40ºC to 85ºC
0ºC to 70ºC
8-Pin MSOP/SOIC
-40ºC to 85ºC
0ºC to 70ºC
16-Pin SOIC
-40ºC to 85ºC
Page 1
© 2014 Silicon Laboratories, Inc. All rights reserved.
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