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TSM9119 Datasheet(PDF) 1 Page - Touchstone Semiconductor Inc |
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TSM9119 Datasheet(HTML) 1 Page - Touchstone Semiconductor Inc |
1 / 17 page 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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