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Amplifiers & Special Function Circuits

TP1941

68-ns, 1.8-V, Ultra-Low-Power, RRI, Push-Pull Output Comparator

  • Overview
  • Development Resources
  • Application
  • Ordering Detail

Overview

The 3PEAK INCORPORATED TP194x CMOS/TTL compatible comparators are offered in single, dual, and quad configurations, and is exceptionally versatile and easy to use.

The TP194x series incorporates proprietary and patented design techniques of the 3PEAK to achieve the ultimate combination of high-speed (a 68-ns propagation delay under a 1.75~5.5-V wide supply range) and low power consuming (a 46-μA quiescent current per comparator). These comparators are optimized for 1.75-V low-power, single-supply applications with greater than rail-to-rail input operation, and also operate with ±0.9-V to ±2.75-V dual supplies. The input common-mode voltage range extends 200 mV below ground and 200 mV above supply, allowing both ground and supply sensing. The internal input hysteresis eliminates the output switching due to the internal input noise voltage, reducing the current draw. The push-pull output supports the rail-to-rail output swing, and interfaces with the CMOS/TTL logic. The output toggle frequency can reach 4 MHz typical while limiting the supply current surges and dynamic power consumption during the switching.

The TP1941 single comparator is available in the shout-down function, output latch version, and the tiny SC70/SOT23 package for space-conservative designs. All devices are specified for the temperature range of –40°C to +125°C.

  • Status

    Production

  • Rating

    Industrial

  • Output Type

    Push-Pull

  • Vs (Min) (V)

    1.8

  • Number of Channels

    1

  • Vs (max) (V)

    5.5

  • Iq per channel (typ) (μA)

    46

  • Propagation Delay (ns)

    93

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

    3

  • Input bias current (typ) (nA)

    0.006

  • Rail-to-rail Input

    Yes

  • Rail-to-rail Output

    Yes

  • VICR (Max) (V)

    VCC+0.1

  • VICR (Min) (V)

    VSS-0.1

  • Operating Temperature Range (℃)

    -40 to 85

  • Features

    /

  • Package

    SOT353

Development Resources

  • Documentation

Application

    • High-Speed Line or Digital Line Receivers

    • High Speed Sampling Circuits

    • Peak and Zero-Crossing Detectors

    • Threshold Detectors/Discriminators

    • Sensing at Ground or Supply Line

    • Logic Level Shifting or Translation

    • Window Comparators

    • IR Receivers

    • Clock and Data Signal Restoration

    • Telecom, Portable Communications

    • Portable and Battery Powered Systems

Ordering Detail

Order Part Number Buy Samples Rating Feature Status 1ku Price Release Date Package Lead time (week) MSL Packing MPQ CPQ
TP1941U-CR
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Industrial Grade / Production / 2025-10-15 SOT353 26 MSL3 T&R 3000 120000

Note: Our Sample Program is powered by DigiKey. All sample requests must be approved through your 3PEAK sample account, click the request sample button to log in or create your account. Please allow 1 business day for processing time.

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