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TSM9119 Datasheet(PDF) 1 Page - Touchstone Semiconductor Inc

Part # TSM9119
Description  1.6V Nanopower Comparators with/without Internal References
Download  17 Pages
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Manufacturer  TOUCHSTONE [Touchstone Semiconductor Inc]
Direct Link  http://www.touchstonesemi.com
Logo TOUCHSTONE - Touchstone Semiconductor Inc

TSM9119 Datasheet(HTML) 1 Page - Touchstone Semiconductor Inc

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TSM9117-TSM9120
Page 1
© 2011 Touchstone Semiconductor, Inc. All rights reserved.
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
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
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.
1.6V Nanopower Comparators with/without Internal References
TYPICAL APPLICATION CIRCUIT
PART
INTERNAL
REFERENCE
OUTPUT
TYPE
SUPPLY
CURRENT (nA)
TSM9117
Yes
Push-Pull
600
TSM9118
Yes
Open-Drain
600
TSM9119
No
Push-Pull
350
TSM9120
No
Open-Drain
350
The Touchstone Semiconductor logo is a registered
trademark of Touchstone Semiconductor, Incorporated.


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