TL331-Q1 Automotive Catalog Single Differential Comparator |

TL331-Q1 (ACTIVE) Automotive Catalog Single Differential Comparator

Automotive Catalog Single Differential Comparator - TL331-Q1


This device consists of a single voltage comparator designed to operate from a single power supply over a wide range of voltages. Operation from dual supplies also is possible if the difference between the two supplies is 2 V to 36 V and VCC is at least 1.5 V more positive than the input common-mode voltage. Current drain is independent of the supply voltage. To achieve wired-AND relationships, one can connect the output to other open-collector outputs.


  • Qualified for Automotive Applications
  • Single Supply or Dual Supplies
  • Wide Range of Supply Voltage: 2 V to 36 V
  • Low Supply-Current Drain Independent of
    Supply Voltage: 0.4 mA Typ.
  • Low Input Bias Current: 25 nA Typ.
  • Low Input Offset Voltage: 2 mV Typ.
  • Common-Mode Input Voltage Range Includes Ground
  • Differential Input Voltage Range Equal to
    Maximum-Rated Supply Voltage: ±36 V
  • Low Output Saturation Voltage
  • Output Compatible With TTL, MOS, and CMOS


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Part number Order Number of channels (#) Output type Vs (Min) (V) Vs (Max) (V) Propagation delay time (uS) Vos (offset voltage @ 25 C) (Max) (mV) Iq per channel (Typ) (mA) Input bias current (+/-) (Max) (nA) Rail-to-rail Rating Features Operating temperature range (C) VICR (Max) (V) VICR (Min) (V) Package Group
TL331-Q1 Order now 1     Open Collector     2     36     0.3     5     0.4     250     Out     Automotive         -40 to 125
-40 to 85    
34.5     0     SOT-23 | 5