Thursday, February 3, 2011

Diodes Inc.'s op-amps raise audio performance

DALLAS, USA: Diodes Inc., a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic and analog semiconductor markets, announced the release of the APX4558 dual channel op-amps.

With a low input noise performance of only 8nV/√Hz at 1kHz, these dual channel op-amps meet demands for higher performance audio without an increase in BOM cost. This performance, coupled with a wide unity gain bandwidth of 3MHz, makes the op-amps well suited to a broad range of cost-sensitive audio products including set top boxes and pre-amplifiers.

Two variants are being offered by Diodes, the commercial grade APX4558 with an operating temperature range of 0ºC to 70ºC and the industrial grade APX4558I, operating from -40ºC up to 105ºC. Both new parts are provided in the SO8 package and are pin-for-pin compatible with industry standard op-amp alternatives.

The op-amps are short-circuit protected and the devices’ internal compensation delivers stability that removes the need for additional external frequency compensation components.

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