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OP27GZ

Name: OP27GZ
Rating: 4.7 (12 reviews)

IC OPAMP GP 1 CIRCUIT 8DIP

製造商
製造商。部分 #OP27GZ
包 8-DIP (0.300, 7.62mm)
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規格

Supplier	Rochester Electronics, LLC,Analog Devices Inc.
Package	Bulk,Tube
ProductStatus	Active
AmplifierType	General Purpose
NumberofCircuits	1
SlewRate	2.8V/µs
GainBandwidthProduct	8 MHz
Current-InputBias	15 nA
Voltage-InputOffset	30 µV
Voltage-SupplySpan(Min)	8 V
Voltage-SupplySpan(Max)	36 V
OperatingTemperature	-40°C ~ 85°C
MountingType	Through Hole
Package/Case	8-DIP (0.300, 7.62mm)

概述

Description

OP27GZ is a variant of the classic OP27 precision op-amp (Analogue Devices/Burr-Brown). It’s designed for low-noise, low-offset signal conditioning in instrumentation and precision analog circuits. Key points:
- Low input offset voltage (tens of microvolts) and low input bias current
- High open-loop gain and stable DC characteristics
- Moderate bandwidth (GBW on the order of a few MHz) and slew rate suitable for precision tasks
- Typically powered from dual supplies (roughly ±3 V to ±15–18 V)
- Available in an 8-pin package; “GZ” suffix denotes a specific RoHS/lead-free packaging variant
Common applications include instrumentation amplifiers, active filters, DAC/ADC front ends, voltage followers, and precision integrators. For exact specs (offset, noise, GBW, slew rate, supply range), check the OP27GZ datasheet from the manufacturer.

Features

OP27GZ is a low-noise, precision operational amplifier (OP27 family) in an 8-pin package (GZ suffix indicates Pb-free packaging).
Key features:
- Very low input-referred noise; suitable for instrumentation and audio front-ends
- Low input offset voltage and low bias current for accurate DC amplification
- High open-loop gain with good common-mode rejection
- Moderate gain-bandwidth product and adequate slew rate for typical analog circuits
- Wide supply range: roughly ±3 V to ±18 V (single-supply operation with proper biasing)
- Not rail-to-rail on input or output; headroom needed from supply rails
- Stable in closed-loop configurations (multiples of unity gain up to higher gains)
- Packaging: 8-pin DIP/SOIC; Pb-free (GZ) variant
For exact electrical specs (numbers, tolerances, and recommended operating conditions), please refer to the OP27GZ datasheet.

Package

OP27GZ comes in a TO-99 (metal can) 8-pin through-hole package; the Z suffix typically denotes Pb-free (RoHS-compliant).

Pinout

- Pin count: 8 pins (8-pin package, e.g., DIP-8/SO-8).
- Function: Single-channel precision operational amplifier (low-noise, low-offset, high-accuracy). Used for instrumentation, sensor conditioning, audio, and other signal amplification applications. It includes standard op-amp pins (inverting input, non-inverting input, output, power supplies) plus two offset-null pins for offset adjustment.

Manufacturer

Manufacturer: Analog Devices, Inc. (ADI).
About the company: Analog Devices is a US-based multinational semiconductor company that specializes in high-performance analog, mixed-signal, and digital signal processing integrated circuits.

Application

OP27GZ is a low-noise, precision op-amp. Common applications include:
- Precision instrumentation and sensor signal conditioning
- Active filters and integrators
- Instrumentation-front-end amplifiers
- Low-noise audio preamplifiers
- DC servo loops and integrators
- Medical/Laboratory instrumentation and ADC front-end signal conditioning
(Uses where high accuracy, low offset/drift are required.)

Equivalent

Equivalent parts for OP27GZ (low-noise, precision op-amp):
- Analog Devices Burr-Brown OP27 family (OP27, OP27G, OP27GZ)
- Texas Instruments OPA27 / OPA27A (pin-compatible with OP27)
For alternatives with similar specs (not exact pin-for-pin): LT1012/ LT1013 (Linear Technology).