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OPA2328DGKR

Name: OPA2328DGKR
Rating: 4.7 (12 reviews)

DUAL-CHANNEL, PRECISION, 50-V OF

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規格

Series	OPAx328
Part Status	Active
Amplifier Type	CMOS
Number of Circuits	2
Output Type	Rail-to-Rail
Slew Rate	30V/µs
Gain Bandwidth Product	40 MHz
Current - Input Bias	0.2 pA
Voltage - Input Offset	3 µV
Current - Supply	3.8mA (x2 Channels)
Current - Output / Channel	65 mA
Voltage - Supply Span (Min)	2.2 V
Voltage - Supply Span (Max)	5.5 V
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-VSSOP
Packaging	Cut Tape (CT), Tape & Reel (TR)

概述

Description

OPA2328DGKR is a dual, rail-to-rail input/output operational amplifier designed for low-power, precision signal conditioning in single-supply systems. It offers RRIO inputs/outputs, low input bias current and offset, and low quiescent current per amplifier, with a moderate bandwidth suitable for sensor front-ends, buffering, and active filtering. The DGKR suffix indicates the 8-pin package variant (MSOP-8/SOIC-8) with RoHS compliance. Typical uses include sensor interfaces, ADC drivers, audio preamps, and portable instrumentation. For exact electrical specs (GBW, slew rate, offset, bias current, supply range, and package details), consult the datasheet.

Features

OPA2328DGKR features (TI dual op-amp):
- Dual, rail-to-rail input and output (RRIO) op-amps for single-supply operation
- Chopper-stabilized/zero-drift architecture for extremely low offset and drift
- Very low input bias current and low-noise performance
- Unity-gain stable; suitable for buffering, sensors, and precision signal conditioning
- Wide supply range with low power consumption
- 8-pin package option (DGKR); RoHS-compliant and suitable for compact designs
- Appropriate for precision instrumentation, portable/ battery-powered applications
Note: For exact electrical specs (offset voltage, drift, noise, bandwidth, supply range, etc.), please consult the TI datasheet for OPA2328DGKR.

Package

It’s a VSSOP-8 package (DGK code). The trailing R indicates Tape‑and‑Reel packaging (Pb‑free/RoHS compliant).

Pinout

- Pin count: 8 pins (VSSOP-8 package)
- Function: Dual operational amplifier with rail-to-rail input and output. It contains two independent op-amps (A and B). Pinout: 1 = OUT A, 2 = −IN A, 3 = +IN A, 4 = V−, 5 = +IN B, 6 = −IN B, 7 = OUT B, 8 = V+.

Manufacturer

- Manufacturer: Texas Instruments (TI)
- What kind of company: An American multinational semiconductor company that designs and manufactures integrated circuits, primarily analog and mixed-signal ICs (e.g., op-amps, ADCs). Headquarters: Dallas, Texas; one of the world’s largest semiconductor firms.

Equivalent

OPA2328DGKR is TI’s dual rail-to-rail I/O op-amp. There isn’t a direct one-to-one cross reference. Closest TI matches: OPA2320 and OPA2322 (same RRIO dual family). From other vendors with similar RRIO dual amps: Analog Devices ADA4528-2, and AD8628. For exact drop-in in DGKR package, use TI’s Cross Reference tool.