OPA2703UA

Name: OPA2703UA
Brand: TI
Rating: 4.5 (10 reviews)

Automotive Op Amp with Low Input Bias Current, Dual R-R I/O, ±6V/12V Range in an 8-Pin SOIC Tube

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Part Number : OPA2703UA
Package/Case : SOIC (D)-8
Manufacturer : TI
Components Classification : Instrumentation, OP Amps, Buffer Amps
Datesheet : OPA2703UA DataSheet (PDF)
Series : OPA2703

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Overview of OPA2703UA

The OPA2703UA is a dual operational amplifier optimized for high-speed and low-voltage operations. It provides excellent performance for analog and digital signal switching applications.

Pinout

The OPA2703UA pinout refers to the configuration and function of each pin in its Small Outline Packages (SOP) package type. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the OPA2703UA has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.

Features

Rail-to-Rail Input and Output: The OPA2703UA features rail-to-rail input and output, which allows for maximum dynamic range and improved signal integrity.
Wide Supply Range: The device operates with a wide supply range of single supply: 4V to 12V and dual supplies: ±2 to ±6V.
Low Quiescent Current: The OPA2703UA has a low quiescent current of 160uA, making it suitable for battery-powered applications.
Full-Scale CMRR: The device features a full-scale common-mode rejection ratio (CMRR) of 90dB, ensuring excellent noise immunity.
Low Offset: The OPA2703UA has a low offset voltage of 160uV, making it suitable for precision applications.
High Speed: The device operates at high speeds with the OP703 having a frequency response of 1MHz and an input bias current of 0.6V/us, while the OP704 has a frequency response of 3MHz and an input bias current of 3V/us.
Microsize Packages: The OPA2703UA is available in microsize packages such as SOT23-5, MSOP-8, and TSSOP-14, making it suitable for space-constrained applications.
Low Input Bias Current: The device has a low input bias current of 1pA, ensuring excellent signal integrity.

Applications

Automotive Applications: The OPA2703UA is suitable for automotive applications such as audio processing equipment, sensor interfaces, and security systems.
Industrial Control Systems: The device is suitable for industrial control systems requiring high-speed and low-voltage operations.
Aerospace Applications: The OPA2703UA is suitable for aerospace applications where space constraints are a concern.

Equivalents

For similar functionalities, consider these alternatives to the OPA2703UA:

OPA277: The OPA277 is a dual operational amplifier with rail-to-rail input and output.
OPA2277: The OPA2277 is a single operational amplifier with rail-to-rail input and output.
LTC6244-5.6: The LTC6244-5.6 is a dual operational amplifier with rail-to-rail input and output.

Frequently Asked Questions

Q: What is the supply voltage range for the OPA2703UA?
A: The device operates with a wide supply range of single supply: 4V to 12V and dual supplies: ±2 to ±6V.

Q: What is the frequency response of the OP703 and OP704?
A: The OP703 has a frequency response of 1MHz, while the OP704 has a frequency response of 3MHz.

Q: Is the OPA2703UA suitable for battery-powered applications?
A: Yes, the device features low quiescent current, making it suitable for battery-powered applications.

Q: What is the input bias current of the OP703 and OP704?
A: The OP703 has an input bias current of 0.6V/us, while the OP704 has an input bias current of 3V/us.

Specifications

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

Number of channels	2	Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	12
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	4	Rail-to-rail	In, Out
GBW (typ) (MHz)	1	Slew rate (typ) (V/µs)	0.6
Vos (offset voltage at 25°C) (max) (mV)	0.75	Iq per channel (typ) (mA)	0.16
Vn at 1 kHz (typ) (nV√Hz)	45	Rating	Catalog
Operating temperature range (°C)	-40 to 85	Offset drift (typ) (µV/°C)	4
Features	High Cload Drive	Input bias current (max) (pA)	10
CMRR (typ) (dB)	90	Iout (typ) (A)	0.04
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)	0.04
Output swing headroom (to positive supply) (typ) (V)	-0.04

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