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AD8237ARMZ-R7

ADIAD8237ARMZ-R7

Analog Devices Inc.
Instrumentation Amplifier 1 Circuit Rail-to-Rail 8-MSOP
Active38,368 in stock
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Overview

The AD8237ARMZ-R7 is a micro-power, rail-to-rail instrumentation amplifier designed for precision signal conditioning in battery-powered applications. It operates on supply voltages as low as 1.8 V with a typical supply current of only 115 uA, making it ideal for portable medical and industrial sensing.

Why Choose This Part

The device features an exceptionally low input offset voltage of 25 uV and a low input bias current of 250 pA, ensuring high DC accuracy. Its rail-to-rail output and 1.8 V minimum supply span maximize dynamic range in single-supply low-voltage systems.

Applications

Battery-Powered Medical Monitors
Utilizes low power consumption and high precision for portable ECG and heart rate monitoring equipment.
Precision Low-Side Current Sensing
Provides accurate measurement of current across a shunt resistor in power-sensitive handheld devices.
Industrial Bridge Transducers
Amplifies small differential signals from pressure, force, or strain gauge sensors with minimal offset error.

Key Specifications

Slew Rate 0.15V/us
Output Type Rail-to-Rail
Mounting Type Surface Mount
-3db Bandwidth 200 kHz
Amplifier Type Instrumentation
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Current - Supply 115uA
Number of Circuits 1
Current - Input Bias 250 pA
Operating Temperature -40degC ~ 125degC
Voltage - Input Offset 25 uV
Supplier Device Package 8-MSOP
Current - Output / Channel 4 mA
Voltage - Supply Span (Max) 5.5 V
Voltage - Supply Span (Min) 1.8 V

Getting Started

To evaluate this amplifier, use the AD8237-EVALZ evaluation board which provides pre-configured footprints for gain-setting resistors. Ensure proper decoupling with 0.1 uF ceramic capacitors close to the supply pins to maintain stability and performance.

AD8237 Family

Also available as: AD8237ARMZ

Also Consider

INA333 TITexas Instruments - Offers even lower power consumption at 50 uA and is a widely used industry standard for low-power precision instrumentation.
AD8226 ADIAnalog Devices Inc. - Provides a wider supply range up to 36V for industrial systems that do not require the ultra-low 1.8V capability of the AD8237.