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OPA2140AIDGKR +BOM

JFET operational amplifier designed for applications requiring a high level of accuracy and low distortion

Manufacturer:

Texas Instruments
Mfr.Part #:

OPA2140AIDGKR
Datasheet:

OPA2140AIDGKR Datasheet (PDF)
Number of channels:

2
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V):

36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V):

4.5
Vos (offset voltage at 25°C) (max) (mV):

0.12
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OPA2140AIDGKR General Description

The OPA2140AIDGKR is a precision, low-noise, high-speed operational amplifier. It is part of the OPAx140 series of amplifiers, designed for applications requiring high performance and precision. This amplifier offers a unity-gain bandwidth of 20 MHz and a slew rate of 20 V/μs, making it suitable for high-speed signal processing.The OPA2140AIDGKR features low input voltage noise of 8 nV/√Hz and low input current noise of 0.5 fA/√Hz, providing excellent signal fidelity in low-noise applications. It also has a low input offset voltage of 250 μV and low offset drift of 0.7 μV/°C, ensuring accurate amplification of signals.This amplifier operates over a wide supply voltage range of ±2.25 V to ±18 V and can drive a 600 Ω load with ease. It comes in a small MSOP-8 package, making it suitable for space-constrained applications.

Key Features

OPA2140AIDGKR is a precision operational amplifier with low noise, low offset voltage, and high speed

It has a low input bias current, wide bandwidth, and high slew rate, making it suitable for precision instrumentation and signal conditioning applications

This device offers high performance and stability for demanding analog circuit designs

Application

The OPA2140AIDGKR is a precision low-noise operational amplifier with low offset voltage and drift, making it suitable for applications such as instrumentation, medical equipment, sensor signal conditioning, and data acquisition systems

Its precision and stability also make it ideal for use in audio amplifiers, test and measurement equipment, and precision power supplies

Specifications

Number of channels	2	Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	4.5	Vos (offset voltage at 25°C) (max) (mV)	0.12
GBW (typ) (MHz)	11	Features	Small Size
Slew rate (typ) (V/µs)	20	Rail-to-rail	In to V-, Out
Offset drift (typ) (µV/°C)	0.35	Iq per channel (typ) (mA)	1.8
Vn at 1 kHz (typ) (nV√Hz)	5.1	CMRR (typ) (dB)	140
Rating	Catalog	Operating temperature range (°C)	-40 to 125
Input bias current (max) (pA)	10	Iout (typ) (A)	0.03
Architecture	FET	Input common mode headroom (to negative supply) (typ) (V)	-0.1
Input common mode headroom (to positive supply) (typ) (V)	-3.5	Output swing headroom (to negative supply) (typ) (V)	0.2
Output swing headroom (to positive supply) (typ) (V)	-0.2	THD + N at 1 kHz (typ) (%)	0.00005