OPA2171AIDGK

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OPA2171AIDGK

IC OPAMP GP 2 CIRCUIT 8VSSOP

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規格

Supplier Texas Instruments
Package Tube
ProductStatus Active
AmplifierType General Purpose
NumberofCircuits 2
OutputType Rail-to-Rail
SlewRate 1.5V/µs
GainBandwidthProduct 3 MHz
Current-InputBias 8 pA
Voltage-InputOffset 250 µV
Current-Supply 475µA (x2 Channels)
Current-Output/Channel 35 mA
Voltage-SupplySpan(Min) 2.7 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

概述

Description

OPA2171AIDGK is Texas Instruments’ high-precision, low-noise operational amplifier. It is designed for instrumentation and sensor applications where accurate, stable amplification is critical.
Key points:
- Very low input-referred noise and low input offset voltage/drift, plus low input bias current.
- Wide supply range and good power-supply rejection, making it suitable for both single- and dual-supply designs.
- Intended uses include instrumentation amplifiers, ADC/DAC front-ends, precision buffers, active filters, and sensor conditioning.
AIDGK denotes the specific TI package variant (an 8-pin device in a RoHS-compliant package).
For exact performance figures (noise density, offset, drift, gain bandwidth, supply voltage range, and package details), refer to the TI datasheet for OPA2171AIDGK.

Features

OPA2171AIDGK features (concise):
- Ultra-low-noise, high-precision op-amp suitable for instrumentation, ADC/DAC front-ends, and audio.
- Very low input bias current and low input offset voltage with good drift performance.
- High gain-bandwidth product and fast slew rate for accurate, fast signal amplification.
- Wide supply voltage range; supports single- or dual-supply operation with good temperature stability.
- Stable in closed-loop configurations and tolerant of capacitive loads; suitable for diverse feedback networks.
- Low distortion for high-fidelity analog amplification.
- 8-pin package (AIDGK), RoHS-compliant.

Package

OPA2171AIDGK is an 8-pin VSSOP (Very Small Outline Package) package.

Pinout

- Pin count: 8 pins (SOIC-8, DGK RoHS package)
- Function: Single-channel precision, low-noise operational amplifier (op-amp) for amplifying small differential signals.

Manufacturer

- Manufacturer: Texas Instruments (TI)
- What kind of company: An American multinational semiconductor company that designs and manufactures analog and embedded processing integrated circuits; one of the world's largest semiconductor makers.

Application

OPA2171AIDGK is a low-noise, precision op-amp suitable for:
- High-precision instrumentation and sensor signal conditioning
- Photodiode/transimpedance amplifier front ends
- Low-noise audio preamps and buffering
- Medical and industrial instrumentation front-ends
- High-impedance sensors and data-acquisition interfaces
- Precision buffering and driver stages in measurement systems

Equivalent

There isn’t a direct one‑for‑one drop‑in equivalent from another vendor. Closest matches by specs are TI equivalents in the OPA21x/OPA22x family: OPA2170, OPA2271, OPA2277 (low‑noise, precision op‑amps) and OPA1611/OPA1612 (low‑noise dual op‑amps). For exact cross‑references, use TI’s Cross‑Reference tool or compare datasheets to confirm pinout and specs.

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