Product category:
Analogue and Mixed Signal ICs
News Release from: Texas Instruments (April 2001-March 2006) | Subject: OPA567
Edited by the Electronicstalk Editorial
Team on 17 October 2005
Op amp offers flexible design options
A high-current low-cost power op amp is designed for driving a wide variety of loads while operating on low-voltage supplies.
Texas Instruments has introduced a high-current, low-cost power op amp designed for driving a wide variety of loads while operating on low-voltage supplies The easy-to-use OPA567, from the company's Burr-Brown product line, operates from either single or dual supplies for design flexibility and can be used in virtually any op amp configuration
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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This unity gain stable device has rail-to-rail swing on the input and output.
The output swing is within 300mV of the supply rails with output current of 2A.
Lower-current loads allow an output swing closer to the rails resulting in higher performance.
The op amp is ideal for driving valves, actuators, laser diode pumps and servomotors.
Other applications include thermoelectric coolers, synchro drivers and transducer excitation.
The OPA567 can be integrated with a 12bit A/D and D/A component such as the AMC7823 or a stand-alone 12bit D/A convertor such as the DAC7551.
An additional feature of the OPA567 is a diagnostic flag for temperature overstress.
The temperature flag can also be configured to provide thermal shutdown.
The small 5 x 5mm QFN package is easy to heatsink and allows compact designs for medical instruments, industrial process control, optical networking and low-voltage battery-powered systems.
The thermal pad package helps preserve precision by keeping the chip temperature low.
The OPA567 is available in a Pb-free QFN-12 package (5 x 5mm).
The device is priced at $1.85 in 1000 piece quantities (suggested resale pricing) and is available now from TI and its authorised distributors.
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