ADA4528-2ACPZ-R7

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ADA4528-2ACPZ-R7

IC OPAMP ZERO-DRIFT 2CIRC 8LFCSP

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規格

Supplier Analog Devices Inc.,Rochester Electronics, LLC
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
AmplifierType Zero-Drift
NumberofCircuits 2
OutputType Rail-to-Rail
SlewRate 0.5V/µs
GainBandwidthProduct 3.4 MHz
-3dbBandwidth 6.5 MHz
Current-InputBias 125 pA
Voltage-InputOffset 0.3 µV
Current-Supply 1.5mA (x2 Channels)
Current-Output/Channel 40 mA
Voltage-SupplySpan(Min) 2.2 V
Voltage-SupplySpan(Max) 5.5 V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-WFDFN Exposed Pad, CSP

概述

Description

ADA4528-2ACPZ-R7 is a dual, precision, zero-drift operational amplifier from Analog Devices. It uses a chopper-stabilized architecture to deliver ultra-low input offset voltage with minimal drift over temperature, while also offering very low input bias current and low noise. The two amplifiers are in a compact ACPZ package and support single- or dual-supply operation with rail-to-rail input/output. It’s unity-gain stable and well suited for high-precision buffering, sensor conditioning, transimpedance stages, and instrumentation front-ends. The R7 suffix indicates tape‑and‑reel packaging; ACPZ denotes the package type. Ideal for ADC front-ends, bridge sensors, and other low-frequency, high-accuracy applications.

Features

ADA4528-2ACPZ-R7 features:
- Dual zero-drift (auto-zero/chopper-stabilized) precision op-amps with very low offset and minimal drift over temperature
- Ultra-low input bias current for high-impedance sensors
- Very low voltage noise for precise signal conditioning
- Rail-to-rail input and output for single-supply operation
- Wide supply range with low quiescent current (suitable for battery-powered apps)
- Unity-gain stable with good DC accuracy and fast settling
- Industrial temperature range (-40°C to +125°C)
- 8-lead LFCSP package (ACPZ-R7) for compact, surface-mount applications

Package

An 8-pin LFCSP (Lead Frame Chip Scale Package), Pb-free.

Pinout

- Pin count: 8 pins (8-lead package, MSOP/DIP family).
- Function: Dual zero-drift (chopper-stabilized) precision operational amplifiers with rail-to-rail input/output.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI)
- What kind of company: American multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits (e.g., op-amps, data converters).

Application

Typical application areas for ADA4528-2ACPZ-R7 (dual zero-drift op-amps):
- Precision instrumentation and sensor conditioning (strain gauges, bridges, RTDs, thermistors, thermocouples)
- Data acquisition front-ends and ADC buffering
- Transimpedance/photodiode amplifier for optical sensors
- Battery-powered portable medical and consumer instruments needing ultra-low offset and drift
- DAC/ADC drive and buffer stages
- DC-coupled, low-noise amplification in monitoring and control systems

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