OPA277UA/2K5

Name: OPA277UA/2K5
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

Op Amp Single Precision Amplifier ±18V/36V 8-Pin SOIC T/R

6,087 Effective Inventory

OPA277UA/2K5

Effective Inventory6,087

Op Amp Single Precision Amplifier ±18V/36V 8-Pin SOIC T/R

Manufacturer Part # : OPA277UA/2K5
Package/Case: SOIC (D)-8
Brand: Texas Instruments
Product Categories : Instrumentation, OP Amps, Buffer Amps
Series : OPA277

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OPA277UA/2K5 DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$1.097	$1.10
10	$0.933	$9.33
30	$0.844	$25.32
100	$0.718	$71.80
500	$0.674	$337.00
1000	$0.654	$654.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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OPA277UA/2K5 Details

The OPA277UA/2K5 is a precision operational amplifier from Texas Instruments, designed for high-performance analog signal conditioning applications. This device features ultra-low offset voltage, low drift, and high open-loop gain, making it ideal for medical instrumentation, test and measurement equipment, industrial control systems, and data acquisition systems.

Pinout

1 (IN-): Inverting Input
2 (IN+): Non-inverting Input
3 (VCC): Positive Power Supply
4 (GND): Ground
5 (OUT): Output

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Ultra-Low Offset Voltage: The OPA277UA/2K5 features an ultra-low offset voltage of 0.1mV, making it suitable for applications where high accuracy is required.
Low Drift: This device exhibits low drift performance, ensuring stable operation over a wide range of temperatures and supply voltages.
High Open-Loop Gain: The OPA277UA/2K5 has a high open-loop gain of 120 dB, allowing for precise amplification and filtering applications.

Applications

The OPA277UA/2K5 is suitable for various applications that require precision analog signal conditioning, including:

Medical Instrumentation: The device can be used in medical instruments such as ECG and blood pressure monitors where high accuracy and stability are crucial.
Test and Measurement Equipment: This operational amplifier is suitable for use in test and measurement equipment, including oscilloscopes and signal generators.
Industrial Control Systems: The OPA277UA/2K5 can be used in industrial control systems where precise amplification and filtering are required.
Data Acquisition Systems: This device is suitable for use in data acquisition systems, including data loggers and recorders.

Where to Use

The OPA277UA/2K5 can be used in a variety of applications where precision analog signal conditioning is required. Some examples include:

Medical Devices: This device can be used in medical devices such as ECG and blood pressure monitors.
Industrial Equipment: The OPA277UA/2K5 can be used in industrial equipment, including control systems and data acquisition systems.

How to Use

To use the OPA277UA/2K5, connect the input pins (IN- and IN+) to the signal source you want to amplify or filter. Apply a positive power supply voltage to the VCC pin and ground the GND pin. The output signal can be taken from the OUT pin.

(Tip: For detailed usage instructions, refer to the datasheet.)

Application Circuit

The application circuit diagram for the OPA277UA/2K5 illustrates how to connect the operational amplifier to a signal source and load. It includes connections for power supply, ground, and input/output signals.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

OPA277: A similar operational amplifier from Texas Instruments offering comparable features and performance.
LM324: An alternative operational amplifier from National Semiconductor with equivalent functionality.

Complementary

The OPA277UA/2K5 can be complemented by the OPA277UB/2K5, which offers additional features such as higher gain and improved noise performance, suitable for more demanding applications.

(Tip: When selecting complementary operational amplifiers, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.)

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

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)	4	Vos (offset voltage at 25°C) (max) (mV)	0.02
GBW (typ) (MHz)	1	Features	Small Size
Slew rate (typ) (V/µs)	0.8	Rail-to-rail	No
Offset drift (typ) (µV/°C)	0.1	Iq per channel (typ) (mA)	0.79
Vn at 1 kHz (typ) (nV√Hz)	8	CMRR (typ) (dB)	140
Rating	Catalog	Operating temperature range (°C)	-40 to 85
Input bias current (max) (pA)	1000	Iout (typ) (A)	0.035
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)	0.5
Output swing headroom (to positive supply) (typ) (V)	-1.2	THD + N at 1 kHz (typ) (%)	0.002

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification OPA277UA/2K5 PDF Download

FAQs

What is OPA277UA/2K5?

The OPA277UA/2K5 is a precision, low-noise operational amplifier manufactured by Texas Instruments. It is designed for high-precision applications that require low offset voltage, low drift, and low noise performance, such as precision instrumentation, data acquisition systems, and medical equipment.

How Does OPA277UA/2K5 Work?

The OPA277UA/2K5 operates as a precision operational amplifier to amplify input signals with high accuracy and stability. It features low offset voltage and low input bias current, ensuring precise signal amplification. The amplifier provides a high common-mode rejection ratio (CMRR) and high open-loop gain, making it suitable for precision signal conditioning applications.

How Many Pins does OPA277UA/2K5 have and What are the Functions of the Pinout Configuration?

The OPA277UA/2K5 is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

V+: Positive power supply pin.
V-: Negative power supply pin.
IN+: Non-inverting input pin.
IN-: Inverting input pin.
OUT: Output pin.
NC: No connect pin.

What are the Pros and Cons of OPA277UA/2K5?

Pros:

High Precision: Offers low offset voltage and low drift for accurate signal amplification.
Low Noise: Provides low noise performance for clean signal processing.
High CMRR: Features high common-mode rejection ratio for improved noise rejection.
Wide Supply Voltage Range: Operates over a wide range of supply voltages for flexibility in design.
Low Input Bias Current: Suitable for applications requiring high accuracy and stability.

Cons:

Higher Cost: Precision operational amplifiers may have a higher cost compared to general-purpose op-amps.
Complexity: Requires careful consideration of noise, impedance, and layout for optimal performance.
Limited Bandwidth: May not be suitable for high-frequency applications requiring wide bandwidth.

Are There Any Equivalents/Alternatives to OPA277UA/2K5 for Recommendation?

The OPA140 from Texas Instruments is a similar precision op-amp with low noise performance.
Alternatives to the OPA277UA/2K5 include the AD8628 from Analog Devices and the LT1677 from Linear Technology.