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Home > Technology List > Preamp chipset offers high performance

Preamp chipset offers high performance

Published time: 2019-12-18 00:00:20

Preamp chipset offers high performance

The THAT1570/5171 paired chipset comprises a low-noise differential audio preamplifier (1570) and a separate high-performance digital preamplifier controller (5171). Compared to competing single-chip implementations that operate from only ±5-V supplies, the chipset offers up to 130 dB dynamic range when operating from ±17-V supplies.

The part-pair enables gain to be programmed over 56 1-dB steps from 13.6 to 68.6 dB. An additional gain setting of 5.6 dB allows the combination to accept line inputs up to 22 dBu. Other features include a low noise of 1.5 nV/√Hz at 68.6-dB gain, and 20 nV/√Hz at 5.6-dB gain, a THD+N of 0.0003% at 21.6-dB gain, and wide bandwidth of 1.8 MHz at 40.6-dB gain. ($8.91 ea/1,000 — available now.)

THAT Corporation’s mission is to provide best-in-class technology solutions to design engineers in the form of analog integrated circuits or as licensed TV-audio intellectual property. They accomplish this through a combination of careful, innovative designs, quality-conscious manufacturing and superior customer service.


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