DALLAS, USA: Texas Instruments Inc. (TI) introduced an automotive-qualified 36-V, single-supply, low-noise op amp (operational amplifier) that can operate on supplies ranging from +2.7 V to +36 V. The OPA171-Q1 offers high-precision performance in a cost-effective, low-power device.
In addition to industry-standard packaging, the device is available for automotive qualification in the SOT-553 micro package, which is 50-percent smaller than comparable devices available today, and can reduce board space for automotive applications including HEV/EV, tracking amplifiers in power modules, and transducer amplifiers.
The OPA171-Q1 offers features designed to enhance overall system design stability, such as the ability to handle input signals beyond the supply rails without causing output phase reversal. The OPA171-Q1 remains stable when exposed to capacitive loads up to 300 pF or when the input operates 100 mV below the negative rail and within 2 V of the top rail during normal operation.
Key features and benefits of OPA171-Q1
* Dynamic input voltage range of +2.7 V to +36 V or +/-1.35 V to +/-18 V allows for greater design versatility across varying supply rails, while still enabling precise, low-voltage sensor outputs.
* The OPA171-Q1 provides precision performance, including low offset of up to 1.8 mV, typical drift of 0.3 uV/C and wide gain bandwidth of 3 Mhz.
* Low quiescent current of 475 uA enables efficient battery-powered operation.
* The SOT-553 micro package option uses 50-percent less board space than comparable op amps, which enables designers to develop smaller modules.
Wednesday, September 21, 2011
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