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AD8223BRZ-R7

Name: AD8223BRZ-R7
Rating: 4.7 (12 reviews)

IC INST AMP 1 CIRCUIT 8SOIC

製造商
製造商。部分 #AD8223BRZ-R7
包 8-SOIC (0.154, 3.90mm Width)
資料表 AD8223BRZ-R7 DataSheet
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規格

Supplier	Analog Devices Inc.
Package	Tape & Reel (TR),Cut Tape (CT)
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-R7 is a single-channel instrumentation amplifier from Analog Devices. It provides a differential input with high input impedance and uses an external gain resistor (RG) to set the voltage gain over a wide range. The device is optimized for low-noise, low-drift sensor conditioning in portable and medical instrumentation, such as bridge sensors, load cells, and thermocouples. It supports low power operation (suitable for single-supply use), offers good common-mode rejection, and drives ADCs with its output swing capability close to the supply rails. The BRZ-R7 suffix indicates a RoHS-compliant packaging/tape-and-reel variant of the part. For exact figures (gain range, bandwidth, input common-mode range, supply voltage, noise, offset, and packaging details), consult the AD8223 datasheet and packaging guide.

Features

AD8223BRZ-R7 is Analog Devices’ precision instrumentation amplifier. Key features include:
- Very low offset voltage and low offset drift, with low input-referred noise
- High common-mode rejection ratio (CMRR) for accurate differential sensing
- Low input bias current
- Wide supply range (suitable for single-supply and dual-supply operation)
- Gain setting via external resistor; Unity-gain stability
- Reference pin for shifting output common-mode (easy ADC interfacing)
- 8‑lead package (BRZ) for compact PCB footprints
- Low power consumption for portable/battery-powered applications
- Suitable for bridge sensors, biopotentials, thermocouples, and general sensor interfacing
Note: See the datasheet for exact electrical specifications (offset, drift, noise, CMRR, gain ranges, etc.).

Package

It’s in an 8‑lead MSOP package (MSOP‑8), Pb‑free. The -R7 suffix indicates reel packaging (tape & reel).

Pinout

- Pin count: 8 pins (MSOP-8 package as used by the BRZ/R7 variant).
- Function: Instrumentation amplifier. It has a differential input pair (+IN, −IN), a gain-setting RG resistor, a REF pin to shift the output, an OUTPUT pin, and power supply pins (V+ and V−). The gain is set by the external RG resistor.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI).
- What kind of company: A global semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits for industrial, automotive, communications, and consumer applications.

Application

- Medical instrumentation (biosignals like ECG/EMG, patient monitoring)
- Sensor signal conditioning (strain gauges, load cells, pressure, RTD/thermocouples)
- Data acquisition and precision measurements
- Portable and battery-powered devices (wearables)
- Industrial process control and instrumentation
- Automotive/transportation sensors and related automotive systems