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AD8422BRZ-R7

Name: AD8422BRZ-R7
Rating: 4.7 (12 reviews)

IC INST AMP 1 CIRCUIT 8SOIC

製造商
製造商。部分 #AD8422BRZ-R7
包 8-SOIC (0.154, 3.90mm Width)
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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	0.8V/µs
-3dbBandwidth	2.2 MHz
Current-InputBias	200 pA
Voltage-InputOffset	25 µV
Current-Supply	300µA
Current-Output/Channel	20 mA
Voltage-SupplySpan(Min)	4.6 V
Voltage-SupplySpan(Max)	36 V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概述

Description

The AD8422BRZ-R7 is Analog Devices’ precision instrumentation amplifier (IA). It combines three on-chip op-amps to provide high-accuracy differential amplification with strong common-mode rejection, making it ideal for conditioning small sensor signals (e.g., strain gauges, load cells, thermocouples, biomedical sensors). Key features typically include low input offset and drift, low noise, a wide gain range set by an external RG resistor, and support for single- or dual-supply operation with a reference pin to set the output baseline. The BRZ-R7 variant denotes the 8‑lead package (BRZ) in RoHS-compliant tape-and-reel form (R7). Applications include bridge amplifiers, data-acquisition front-ends, and general sensor conditioning. For exact electrical specs, pinout, and the gain equation, refer to the AD8422 datasheet and the BRZ-R7 package documentation.

Features

AD8422BRZ-R7 is a precision instrumentation amplifier. Key features (concise):
- Three-op-amp instrumentation amplifier with RG-programmable gain
- Low input offset and drift for accurate DC/low-frequency sensing
- High CMRR and PSRR for robust bridge/sensor measurements
- Wide supply voltage range; suitable for single-supply operation
- REF pin to set output baseline; versatile output configuration (single-ended)
- Broad input common-mode range
- 8-lead BRZ package (LFCSP) with industrial temperature range
Typical use: sensor interfaces (strain gauges, RTDs, bridge sensors), precision measurement, and low-noise instrumentation applications. For exact electrical specs, refer to the AD8422 datasheet.

Package

AD8422BRZ-R7 uses an 8‑lead MSOP package (MSOP‑8). The “-R7” suffix indicates tape-and-reel packaging.

Pinout

- Pin count: 8 pins (MSOP-8 / SOIC-8 package)
- Function: Single-channel instrumentation amplifier with differential inputs (+IN, -IN), a gain-setting RG, a REF pin to set output reference, and a single-ended output. Power is supplied via V+ and V-. The RG sets gain; REF shifts the output common-mode.

Manufacturer

- Manufacturer: Analog Devices, Inc. (Analog Devices)
- What kind of company: A multinational semiconductor company that designs and manufactures analog, mixed‑signal, and DSP integrated circuits and systems.

Application

Typical applications for AD8422BRZ-R7 include:
- Bridge-sensor conditioning (load cells, strain gauges, pressure sensors)
- Biomedical signal conditioning (ECG/EMG/EEG)
- Industrial process sensing and data acquisition
- Sensor interfacing for thermocouples, RTDs, diodes
- Power/energy measurement and current sensing
- Portable/wearable instrumentation
- Vibration and piezoelectric sensing
- Laboratory test and instrumentation systems