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OPA227U

Known for its precision and quiet operation, the OPA227U is the ideal choice for applications requiring high performance amplification

Manufacturer:

Texas Instruments
Mfr.Part #:

OPA227U
Datasheet:

OPA227U Datasheet (PDF)
Number of channels:

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

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

5
Vos (offset voltage at 25°C) (max) (mV):

0.075
EDA/CAD Models:

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OPA227U General Description

The OPA227U is a precision, low-noise operational amplifier designed for high-precision applications. It features low input offset voltage of 25µV, low input bias current of 0.7pA, and low noise density of 7nV/√Hz. The amplifier has a wide bandwidth of 8MHz and a slew rate of 3V/µs, making it suitable for a variety of precision signal processing tasks.The OPA227U operates over a wide temperature range of -40°C to 125°C and is available in a small MSOP-8 package, making it ideal for space-constrained applications. The amplifier can operate with a supply voltage range of ±2V to ±18V, allowing for flexibility in different circuit designs.

Key Features

The OPA227U is a precision operational amplifier with ultra-low offset voltage, low noise, and low input bias current

It features high open-loop gain, wide bandwidth, and low input offset voltage drift over temperature

This device is ideal for precision instrumentation, sensor signal conditioning, and data acquisition applications

Application

The OPA227U is a precision operational amplifier suitable for a variety of applications such as signal conditioning, medical instrumentation, data acquisition systems, and audio processing

With low offset voltage, low noise, and high accuracy, it's ideal for applications requiring precise signal amplification and filtering in both industrial and consumer electronics

Specifications

Number of channels	1	Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	5	Vos (offset voltage at 25°C) (max) (mV)	0.075
GBW (typ) (MHz)	8	Slew rate (typ) (V/µs)	2.3
Rail-to-rail	No	Offset drift (typ) (µV/°C)	0.1
Iq per channel (typ) (mA)	3.7	Vn at 1 kHz (typ) (nV√Hz)	3
CMRR (typ) (dB)	138	Rating	Catalog
Operating temperature range (°C)	-40 to 85	Input bias current (max) (pA)	10000
Iout (typ) (A)	0.045	Architecture	Bipolar
Input common mode headroom (to negative supply) (typ) (V)	2	Input common mode headroom (to positive supply) (typ) (V)	-2
Output swing headroom (to negative supply) (typ) (V)	2	Output swing headroom (to positive supply) (typ) (V)	-2
THD + N at 1 kHz (typ) (%)	0.00005