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TSM931CUA+ Datasheet(PDF) 1 Page - Touchstone Semiconductor Inc |
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TSM931CUA+ Datasheet(HTML) 1 Page - Touchstone Semiconductor Inc |
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1 / 20 page  TSM931-TSM934 Page 1 © 2012 Touchstone Semiconductor, Inc. All rights reserved. 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 APPLICATIONS Threshold Detectors Window Comparator Level Translators Oscillator Circuits Battery-Powered Systems 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 3 μA 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. Ultra Low-Power Single/Dual-Supply Comparators with Reference TYPICAL APPLICATION CIRCUIT A 5V, Low-Parts-Count Window Detector PART INTERNAL REFERENCE COMPARATORS PER PACKAGE INTERNAL HYSTERESIS TSM931 Yes 1 Yes TSM932 Yes 2 Yes TSM933 Yes 2 Yes TSM934 Yes 4 No PART TEMPERATURE RANGE PACKAGE TSM931C 0ºC to 70ºC 8-Pin MSOP/SOIC TSM931E -40ºC to 85ºC TSM932C 0ºC to 70ºC 8-Pin MSOP/SOIC TSM932E -40ºC to 85ºC TSM933C 0ºC to 70ºC 8-Pin MSOP/SOIC TSM933E -40ºC to 85ºC TSM934C 0ºC to 70ºC 16-Pin SOIC TSM934E -40ºC to 85ºC The Touchstone Semiconductor logo is a registered trademark of Touchstone Semiconductor, Incorporated. |
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