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OPA344NA/250

High precision voltage amplifier

Manufacturer:

Texas Instruments
Mfr.Part #:

OPA344NA/250
Datasheet:

OPA344NA/250 Datasheet (PDF)
Number of channels:

1
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V):

5.5
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V):

2.5
Rail-to-rail:

In, Out
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OPA344NA/250 General Description

The OPA344NA/250 is an operational amplifier (op-amp) manufactured by Texas Instruments. It is a low-power, precision device that is ideal for a wide range of applications. The 'OPA344NA' refers to the part number, while the '250' signifies the quantity in a reel.The OPA344NA/250 operates with a low supply current of 250 µA per channel, making it energy efficient. It has a high open-loop gain of 120 dB and a wide bandwidth of 1 MHz, making it suitable for precision amplification tasks. With a voltage noise density of 20 nV/√Hz, the OPA344NA/250 provides high signal fidelity in noise-sensitive applications. It also features a rail-to-rail output swing, allowing it to work with low voltage signals effectively.The OPA344NA/250 is available in a small SOT-23 package, making it easy to integrate into compact designs.

Key Features

OPA344NA/250 is a low-power, precision operational amplifier with low offset voltage, low noise, and high-speed performance

It has rail-to-rail input and output, high CMRR, and low supply current

It is specified for single-supply operation from 2

7V to 5

5V and dual-supply operation from ±1

35V to ±2

75V

Application

The OPA344NA/250 is commonly used in applications such as industrial control systems, sensor signal conditioning, test and measurement equipment, and precision instrumentation

It is also suitable for use in data acquisition systems, audio amplifiers, and high precision voltage references

Additionally, it can be used in medical devices, automotive systems, and power supply control circuits

Specifications

Number of channels	1	Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	5.5
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	2.5	Rail-to-rail	In, Out
GBW (typ) (MHz)	1	Slew rate (typ) (V/µs)	0.8
Vos (offset voltage at 25°C) (max) (mV)	1	Iq per channel (typ) (mA)	0.15
Vn at 1 kHz (typ) (nV√Hz)	30	Rating	Catalog
Operating temperature range (°C)	-40 to 85	Offset drift (typ) (µV/°C)	3
Input bias current (max) (pA)	1	CMRR (typ) (dB)	92
Iout (typ) (A)	0.015	Architecture	CMOS
Input common mode headroom (to negative supply) (typ) (V)	-0.3	Input common mode headroom (to positive supply) (typ) (V)	0.3
Output swing headroom (to negative supply) (typ) (V)	0.001	Output swing headroom (to positive supply) (typ) (V)	-0.001