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TLV1871
  • TLV1871
  • TLV1871

TLV1871

ACTIVE

40V, single-channel split-supply ground-sensing comparator

Texas Instruments TLV1871 Product Info

1 April 2026 3

Parameters

Number of channels

1

Output type

Push-Pull

Propagation delay time (µs)

0.065

Vs (max) (V)

40

Vs (min) (V)

2.7

Rating

Catalog

Features

POR, Split-supply

Iq per channel (typ) (mA)

0.07

Vos (offset voltage at 25°C) (max) (mV)

4

Rail-to-rail

In

Operating temperature range (°C)

-40 to 125

Input bias current (±) (max) (nA)

5

VICR (max) (V)

40.2

VICR (min) (V)

2.5

Package

SOT-23-THN (DDF)-8-8.12 mm² 2.9 x 2.8

Features

  • Wide supply range: 2.7V to 40V (±1.35V to ±20V)
  • 65ns propagation delay
  • Single or split supplies operation
  • "Floating" push-pull output with separate supplies
  • Rail-to-rail input
  • Power-on-reset (POR)
  • Low supply current: 75µA per channel
  • Temperature range: -40°C to +125°C
  • Wide supply range: 2.7V to 40V (±1.35V to ±20V)
  • 65ns propagation delay
  • Single or split supplies operation
  • "Floating" push-pull output with separate supplies
  • Rail-to-rail input
  • Power-on-reset (POR)
  • Low supply current: 75µA per channel
  • Temperature range: -40°C to +125°C

Description

The TLV187x is a 40V high-speed comparator family that offers rail-to-rail inputs and a push-pull output-stage with separate input and output supply pins. These features coupled with 65ns propagation delay make this family well-suited for bipolar zero-cross detection, Class D audio amplifier systems, and other applications where level translation and propagation delay symmetry is needed.

This device includes a Power-On Reset (POR) feature that holds the output in a known state until the minimum supply voltage has been reached before the output responds to the inputs, thus preventing false outputs during system power-up and power-down.

The TLV187x has a push-pull output stage, making them an excellent choice for applications where symmetry between rising and falling output responses is desired. This device offers the ability to level translate for downstream devices at lower voltages due to the separate input and output supplies.

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