Skip to main content

We use cookies to understand how you use our site and improve your experience. See our Privacy Policy.

INA199A1

Bidirectional Current Shunt Monitor

The INA199A1 is a bidirectional current shunt monitor from Texas Instruments. View the full INA199A1 datasheet below including key specifications.

Official INA199A1 datasheet (PDF) — the source this page was extracted from.

Manufacturer

Texas Instruments

Package

SC70

INA199A1 Key Specifications

ParameterValue
ArchitectureZero-drift, bi-directional, high-side
Output Swing50mV above ground to 200mV below supply
Gain (INA199A1)50 V/V
Supply Voltage Range2.7V to 26V
Reference Input Range0V to 5V
Maximum Supply Current100 µA
Common-Mode Voltage Range-0.3V to 26V
Minimum Full-Scale Shunt Drop10mV
Gain Range (INA199A1-A3 Family)50 V/V to 200 V/V

INA199A1 Overview

Part: INA199A1-A3 — Texas Instruments

Type: Voltage Output Current Shunt Monitor

Description: High-side, bi-directional, zero-drift current shunt monitors with voltage output, offering gains from 50V/V to 200V/V, sensing common-mode voltages from -0.3V to 26V, and operating from a 2.7V to 26V supply.

Operating Conditions:

  • Supply voltage: 2.7V–26V
  • Common-mode voltage: -0.3V to 26V
  • Output voltage range: 50mV above ground to 200mV below supply

Key Specs:

  • Gain options: 50V/V (INA199A1), 100V/V (INA199A2), 200V/V (INA199A3)
  • Common-mode voltage range: -0.3V to 26V
  • Supply voltage range: 2.7V to 26V
  • Max supply current: 100 mA
  • Output voltage range: 50mV above ground to 200mV below supply
  • Reference voltage range: 0V to 5V
  • Minimum full-scale shunt drop: 10mV

Features:

  • Voltage output
  • High-side measurement
  • Bi-directional operation
  • Zero-drift architecture
  • Low offset
  • External reference capability

Applications:

  • Current sensing

Package:

  • SC70 surface-mount

INA199A1 Applications

Amplifiersamplifier.ti.comAudiowww.ti.com/audio
Data Convertersdataconverter.ti.comAutomotivewww.ti.com/automotive
DLP® Productswww.dlp.comCommunications and Telecomwww.ti.com/communications
DSPdsp.ti.comComputers and Peripheralswww.ti.com/computers
Clocks and Timerswww.ti.com/clocksConsumer Electronicswww.ti.com/consumer-apps
Interfaceinterface.ti.comEnergywww.ti.com/energy
Logiclogic.ti.comIndustrialwww.ti.com/industrial
Power Mgmtpower.ti.comMedicalwww.ti.com/medical
Microcontrollersmicrocontroller.ti.comSecuritywww.ti.com/security
RFIDwww.ti-rfid.comSpace, Avionics & Defensewww.ti.com/space-avionics-defense
RF/IF and ZigBee® Solutionswww.ti.com/lprfVideo and Imagingwww.ti.com/video
Wirelesswww.ti.com/wireless-apps

Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2010, Texas Instruments Incorporated

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
INA199A2Texas Instruments—
INA199A3Texas Instruments—

Other Integrated Circuits

All Integrated Circuits datasheetsAll Texas Instruments datasheets (2,442)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

Ask your AI agent about the INA199A1

Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.

claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp

Then ask: "Can the INA199A1 run from my 12 V rail? Check it against the datasheet limits."

Create a free account $2 of usage every month, no card needed.