THAT 5173N24, Digital Preamplifier Controller, QFN24

€ 10,29 *Prices include VAT € 8,50 excluding VAT €

Manufacturer: THAT
Article code: THAT5173N24

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Digital Audio Preamplifier Controller

Wide gain range: 0 to 60dB in 3dB steps

Wide supply range: ±5V to ±17V

Wide output swing:+27dBu (±17V sup.)

Wide input swing: +27dBu (±17V sup.)

Low THD+N: <0.001% @1kHz,

up to 42dB gain

Integrated differential servo minimizes

output offset

Zero-crossing detector minimizes

switching noise

Daisy Chainable SPI interface

Four general-purpose digital outputs

Small 5mm x 5mm QFN24 package

Datasheet 5173

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The THAT5173 is a digital gain controller for low-noise, analog, differential, current-feedback audio preamplifiers such as the THAT 1570.

When used in conjunction with an appropriate analog gain block, the 5173 supports digitally control gain from 0dB to 60dB in 3dB steps, while preserving low noise and distortion.

It operates from ±5V to ±17V analog supplies, supporting input signal levels as high as +27dBu (at 0dB gain and ±17V supplies) in combination with the 1570 -- without an input pad.

The 5173 includes a differential servo and zero-crossing detector to minimize dc offsets and glitches (zipper noise) during gain adjustments.

The 5173 is controlled via an industry standard serial-peripheral interface (SPI) port.

Four General Purpose Outputs (GPOs) can be controlled via this interface. The GPOs may be used to control auxiliary functions such as input selectors, filters, mutes, LEDs, relays, etc.

The 5173 was designed to mate perfectly with the THAT 1570 Differential Audio Preamplifier IC. Together, these combinations provide a high performance solution for digitally-controllable audio preamplifier applications. However, the 5173 may also be used to control a discrete preamplifier.

Fabricated in a high-voltage CMOS process, the 5173 integrates an astonishing amount of circuitry within a very small package.

It comes in a small (5x5 mm) 24-pin QFN package, making it suitable for small portable devices.

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THAT 5173N24, Digital Preamplifier Controller, QFN24

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Features and Specifications