AD8223BRZ

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AD8223BRZ

IC INST AMP 1 CIRCUIT 8SOIC

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規格

Supplier Rochester Electronics, LLC,Analog Devices Inc.
Package Bulk,Tube
ProductStatus Active
AmplifierType Instrumentation
NumberofCircuits 1
OutputType Rail-to-Rail
SlewRate 0.3V/µs
-3dbBandwidth 200 kHz
Current-InputBias 12 nA
Voltage-InputOffset 100 µV
Current-Supply 650µA
Voltage-SupplySpan(Min) 3 V
Voltage-SupplySpan(Max) 24 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

概述

Description

AD8223BRZ is a precision instrumentation amplifier from Analog Devices. It amplifies small differential sensor signals while rejecting large common-mode voltages, making it ideal for conditioning weak bio-signals or bridge/thermocouple sensors.
Key points:
- High common-mode rejection, low offset and drift, low input bias, and low noise.
- Suited for single- or dual-supply systems with a compact 8-pin package (BRZ variant).
- Common applications: biomedical sensing (ECG/EMG), load cells/strain gauges, temperature sensors, and general sensor front-ends.
In short, the AD8223BRZ provides accurate, low-noise amplification of differential signals for precision measurement in a small package.

Features

AD8223BRZ features (highlights):
- Precision instrumentation amplifier with RG-settable gain and REF pin for offset shifting
- Low input bias current and low offset voltage with good drift performance
- High common-mode rejection ratio (CMRR) and robust power-supply rejection
- Wide supply range and suitability for single-supply operation
- Low-noise performance for accurate signal conditioning
- Adequate bandwidth for fast sensor signals
- Input protection/robustness against overload conditions
- Designed for bridge sensors and general sensor-interface applications
- Available in the BRZ package (Analog Devices’ BRZ option)

Package

It comes in an 8-lead MSOP package (MSOP-8), RoHS-compliant.

Pinout

- Pin count: 8 pins (MSOP-8/SOIC-8 package)
- Function: Instrumentation amplifier (differential input, single-ended output) with gain set by an external RG resistor; used for precise amplification of small differential signals with high CMRR.

Manufacturer

Analog Devices, Inc. (ADI). Analog Devices is a US-based multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits used for signal conditioning, instrumentation, data conversion, and related applications.

Application

AD8223BRZ is a low-noise, low-power instrumentation amplifier. Typical applications include:
- Biomedical signal conditioning (ECG/EMG/EEG, portable monitors)
- Industrial sensor front-ends (strain gauges, load cells, pressure sensors)
- DC/low-frequency measurement and data-acquisition front-ends
- Shunt-current sensing in power management and motor drives
- Battery-powered portable instruments and wearables
- Test/measurement equipment needing precise differential amplification with high CMRR

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