company blog about Mingjiada Supply Original TI Low Power Op Amp OPA4990SIRTER Quad Operational Amplifier

Mingjiada Supply Original TI Low Power Op Amp OPA4990SIRTER Quad Operational Amplifier

In modern electronic systems, operational amplifiers play a crucial role, particularly in fields such as industrial automation, test and measurement, and power control. Texas Instruments' OPA4990SIRTER, as a 40V high-voltage, quad-channel operational amplifier, offers exceptional DC accuracy and AC performance, making it an ideal choice for numerous high-performance applications.

OPA4990SIRTER operational amplifier supplied by Mingjiada Electronics offers rail-to-rail input/output capability, making it highly suitable for applications requiring high voltage swing and precision signal conditioning.

OPA4990SIRTER Product Overview
The OPA4990SIRTER is a high-voltage (40V) general-purpose operational amplifier introduced by Texas Instruments (TI). Belonging to the OPAx990 series, this device delivers outstanding DC accuracy and AC performance. Packaged in a compact WQFN-16 package and rated for operation over a temperature range of -40°C to 125°C, the OPA4990SIRTER is suitable for use in harsh environments.

OPA4990SIRTER Specifications
Amplifier Type: General-purpose operational amplifier
Number of Channels: 4 channels
Supply Voltage Range: 2.7 V to 40 V
Input Offset Voltage: 300 µV typical
Input Bias Current: 10 pA
Gain-Bandwidth Product: 1.1 MHz
Slew Rate: 4.5 V/µs
Quiescent Current: 120 µA per amplifier
Output Current: 80 mA
Input Voltage Noise: 30 nV/√Hz at 1 kHz
Operating Temperature: -40°C to 125°C
Package: WQFN-16

OPA4990SIRTER Key Features
High-Precision DC Performance: The OPA4990SIRTER delivers an input offset voltage as low as ±300 µV with exceptionally low offset voltage drift (±0.6 µV/°C), ensuring measurement accuracy across varying temperature conditions.
Rail-to-Rail Input and Output: This capability enables the OPA4990SIRTER to process signals across a wide supply voltage range, maximising dynamic range – particularly advantageous in low-voltage power supply applications.
Low power consumption and low noise: Each amplifier draws only 120µA of quiescent current while delivering 30nV/√Hz low noise performance, making the OPA4990SIRTER highly suitable for battery-powered or noise-sensitive systems.
High Integration and Flexibility: As a quad-channel amplifier, the OPA4990SIRTER helps conserve board space. Its multiplexer-friendly inputs even permit operation as a comparator in open-loop mode, enhancing design flexibility.

Typical Applications for the OPA4990SIRTER
Leveraging its high-voltage, high-precision, and multi-channel capabilities, the OPA4990SIRTER finds extensive application across multiple industrial sectors:
Data Acquisition Systems: Serves as the analogue front end for multiplexed data acquisition systems, precisely processing signals from multiple sensors.
Test and Measurement Equipment: Functions as an ADC driver and reference buffer in high-precision oscilloscopes, signal source analysers, and similar instruments.
Industrial control systems: An ideal choice for analogue input/output modules in programmable logic controllers (PLCs), also suitable for power stages and control modules in motor drives.
Power and energy management: Employed in various commercial power systems such as uninterruptible power supplies (UPS) and server power supplies, enabling high-side and low-side current sensing.

OPA4990SIRTER is a high-voltage (40V) general-purpose operational amplifier. It delivers outstanding DC accuracy and AC performance, featuring rail-to-rail input/output, low offset voltage (typically ±300µV), and low temperature drift (typically ±0.6µV/°C).

Featuring unique capabilities such as differential and common-mode input voltage ranges spanning power rails, high short-circuit current (±80mA), high slew rate (4.5/µs), and shutdown functionality, the OPA4990SIRTER is an exceptionally flexible, stable, and high-performance operational amplifier suitable for diverse high-voltage industrial applications.

We trust this information provides a comprehensive overview of the OPA4990SIRTER operational amplifier. For further product details or pricing enquiries regarding the OPA4990SIRTER, please visit the Mingjiada Electronics website (https://www.integrated-ic.com/) to explore supply options.