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TSM9120

Description
1.6V Nanopower Comparators with/without Internal References
File Size959KB,18 Pages
ManufacturerTouchstone Semiconductor Inc. (Silicon Lab)
Websitehttp://www.touchstonesemi.com/
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TSM9120 Overview

1.6V Nanopower Comparators with/without Internal References

TSM9117-TSM9120
1.6V Nanopower Comparators with/without Internal References
FEATURES
Second-source for MAX9117-MAX9120
Guaranteed to Operate Down to +1.6V
Ultra-Low Supply Current
350nA - TSM9119/TSM9120
600nA - TSM9117/TSM9118
Internal 1.252V ±1.75% Reference
Input Voltage Range Extends 200mV Outside-the-Rails
No Phase Reversal for Overdriven Inputs
Push-pull and Open-Drain Output Versions Available
Crowbar-Current-Free Switching
Internal Hysteresis for Clean Switching
5-pin SC70 and 8-pin SOIC Packaging
DESCRIPTION
The TSM9117–TSM9120 family of nanopower
comparators is electrically and form-factor identical to
the
MAX9117-MAX9120
family
of
analog
comparators. Ideally suited for all 2-cell battery-
management/monitoring applications, these 5-pin
SC70 analog comparators guarantee +1.6V
operation, draw very little supply current, and have
robust input stages that can tolerate input voltages
beyond the power supply. The TSM9117 and the
TSM9118 draw 600nA of supply current and include
an on-board 1.252V ±1.75% reference. The
comparator-only TSM9119 and the TSM9120 draw a
supply current of 350nA.
The TSM9117 and TSM9119’s push-push output
drivers were designed to drive 5mA loads from one
supply rail to the other supply rail. The TSM9118 and
the TSM9120’s open-drain output stages make it
easy to incorporate these comparators into systems
that operate on different supply voltages.
APPLICATIONS
2-Cell Battery Monitoring/Management
Medical Instruments
Threshold Detectors/Discriminators
Sensing at Ground or Supply Line
Ultra-Low-Power Systems
Mobile Communications
Telemetry and Remote Systems
TYPICAL APPLICATION CIRCUIT
PART
TSM9117
TSM9118
TSM9119
TSM9120
The Touchstone Semiconductor logo is a registered
trademark of Touchstone Semiconductor, Incorporated.
INTERNAL
REFERENCE
Yes
Yes
No
No
OUTPUT
TYPE
Push-Pull
Open-Drain
Push-Pull
Open-Drain
SUPPLY
CURRENT (nA)
600
600
350
350
Page 1
© 2011 Touchstone Semiconductor, Inc. All rights reserved.

TSM9120 Related Products

TSM9120 TSM9117 TSM9118 TSM9119
Description 1.6V Nanopower Comparators with/without Internal References 1.6V Nanopower Comparators with/without Internal References 1.6V Nanopower Comparators with/without Internal References 1.6V Nanopower Comparators with/without Internal References
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