EmbeddedRelated.com
    Parts   Analog ICs  Instrumentation Amplifiers    INA600AIDBVR
INA600AIDBVR

TIINA600AIDBVR

Texas Instruments
Differential Amplifiers 40V wide common-mod e voltage (-40V to 8
Active1,812 in stock
Datasheet Mouser Compare Prices

Overview

The INA600AIDBVR is a precision difference amplifier designed for high-side or low-side voltage sensing in systems with wide common-mode requirements. It features a gain of 1/5, allowing it to translate input voltages up to 85V down to a range compatible with low-voltage ADCs while operating on a supply as low as 2.7V. With a very low quiescent current of 65uA, it is optimized for power-sensitive monitoring applications.

Why Choose This Part

The device offers a remarkable common-mode voltage range of -40V to +85V, far exceeding its own 40V maximum supply voltage. Its ultra-high input impedance of over 1Mohm minimizes loading errors in sensitive measurement circuits, and its 50mA output drive capability allows it to interface directly with various ADC stages and capacitive loads.

Applications

Battery Cell Formation
Precise voltage monitoring during the charging and discharging cycles of battery cell production.
EV Charging Stations
Monitoring high-voltage bus levels in power modules for electric vehicle infrastructure.
String Inverters
Measuring DC link voltages in solar energy systems with wide input voltage fluctuations.
Battery Energy Storage Systems
Long-term voltage supervision in grid-scale or residential battery storage units where low power consumption is critical.

Key Specifications

Slew Rate 0.32V/us
Output Type Single-Ended
Mounting Type Surface Mount
-3db Bandwidth 225 kHz
Amplifier Type Standard (General Purpose)
Package / Case SOT-23-6
Current - Supply 65uA
Number of Circuits 1
Operating Temperature -40degC ~ 125degC (TA)
Voltage - Input Offset 1.1 mV
Supplier Device Package SOT-23-6
Current - Output / Channel 50 mA
Voltage - Supply Span (Max) 40 V
Voltage - Supply Span (Min) 2.7 V

Getting Started

To evaluate this part, engineers typically use a breakout board for the SOT-23-6 package to interface with a standard ADC or MCU. Ensure proper decoupling of the supply pin with a 0.1uF ceramic capacitor and verify that the gain-scaled output fits within the dynamic range of your downstream converter.

Also Consider

AD8479 Analog Devices - Provides a very high common-mode range of +/- 600V with a unity gain transfer function.
INA213 TITexas Instruments - A dedicated current-shunt monitor if the application requires current sensing rather than general differential voltage sensing.

Categories

Analog ICs > Instrumentation Amplifiers Automotive > EV & Power Electronics