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OPA355UA/2K5

Name: OPA355UA/2K5
Rating: 4.7 (12 reviews)

IC CMOS 1 CIRCUIT 8SOIC

製造商
製造商。部分 #OPA355UA/2K5
包 8-SOIC (0.154, 3.90mm Width)
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規格

Supplier	Texas Instruments
Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
AmplifierType	CMOS
NumberofCircuits	1
OutputType	Rail-to-Rail
SlewRate	360V/µs
GainBandwidthProduct	200 MHz
-3dbBandwidth	450 MHz
Current-InputBias	3 pA
Voltage-InputOffset	2 mV
Current-Supply	8.3mA
Current-Output/Channel	100 mA
Voltage-SupplySpan(Min)	2.7 V
Voltage-SupplySpan(Max)	5.5 V
OperatingTemperature	-40°C ~ 125°C
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概述

Description

OPA355UA/2K5 is TI’s ultra-low-offset, chopper-stabilized operational amplifier. It provides very low input offset and drift, while offering rail-to-rail input and output. It runs on a single supply from about 2.7 V to 5.5 V and draws very little quiescent current, with fast settling. The “UA” suffix denotes the package type, and “2K5” is the specific order/pack grade. It is unity-gain stable and well suited for precision sensor conditioning (thermistors, bridges), DAC/ADC front ends, and instrumentation-like applications where tiny offsets matter. For exact electrical limits (offset, noise, gain bandwidth, input/output swing) and package pinout, see the TI datasheet.

Features

OPA355UA/2K5 features (concise):
- Rail-to-rail input and output (RRIO) for single-supply use
- Single-supply operation from about 2.7 V to 5.5 V
- Very low input offset voltage with low drift (high precision)
- Low input bias current (suitable for sensor front-ends)
- Low-noise performance for precision applications
- Moderate bandwidth with stable gain and good slew behavior
- Wide temperature range (industrial/automotive grade variants available)
- Short-circuit protection and robust overload recovery
- 8‑pin package (UA code variants in MSOP/SOIC formats)
- Suitable for sensor amplifiers, transimpedance, photodiodes, and general precision amplification
Note: exact electrical figures (offset, noise, GBW, bias current, slew rate) are datasheet-specified; refer to the TI OPA355 datasheet for precise numbers.

Package

SC70-5 (5-pin) tiny surface-mount package.

Pinout

- Pin count: 8 pins (VSSOP/MSOP-8 package)
- Function: Single-channel, precision operational amplifier with rail-to-rail input/output (zero-drift; single-supply operation).

Manufacturer

- Manufacturer: Texas Instruments Incorporated (TI).
- What kind of company: An American multinational semiconductor company that designs and manufactures analog, mixed-signal, and digital integrated circuits.

Application

Applications: OPA355UA/2K5 is ideal for precision sensor conditioning (bridge sensors, RTDs, thermocouples, strain gauges); photodiode/transimpedance amplifiers; single-supply, low-drift instrumentation for portable medical and consumer electronics; ADC front-end buffering/amplification; and low-noise signal amplification for data acquisition and test equipment.

Equivalent

Equivalents to OPA355UA/2K5 (single, RRIO, zero-drift) include:
- TI OPA333 (single, RRIO, 1.8–5.5 V)
- TI OPA335 (single, RRIO, 1.8–5.5 V)
- TI OPA2355 (dual, RRIO, zero-drift)
- TI OPA2333 (dual, RRIO, zero-drift)
- Analog Devices ADA4528‑1 (single, zero-drift)
- Analog Devices ADA4528‑2 (dual, zero-drift)
Note: check pinout and exact specs for your package cross-reference.