Digitally-controlled Analog Preamplifer

THAT1583N16-U

Full Description

The THAT1583 is a high-performance versatile audio preamplifier suitable for microphone preamp and bus summing applications. What's more it has been designed to work with either: the THAT5171 to enable digital control of the gain setting in 1dB steps; or the THAT5173 in 3dB steps.

Operating on maximum of +/- 18V supplies the pre-amplifier accepts pro-audio levels (+28dBu) without an input pad. Combine this with just 1.9nV/rtHz noise at 60dB gain and you have a truely high performance pre-amplifier.

The THAT1583's differential output simplifies connections to differential input devices such as A/D converters. When required, designers are free to optimise the output differential amplifier to suit specific applications.

Packaged in 4x4mm QFN16 the THAT1583 takes up very little board space. It's also pin compatible with the THAT1570 so you can optimise price and performance with the same layout.

Features

  • Low noise: 1.9nV/rtHz @ 60dB gain
  • Low THD+N: 0.001% at up to 40dB gain
  • Designed to complement the 5171 and 5173 Digital Controllers
  • Wide output signal swing > +28dBu

QFN-16

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Quantity 1+ 10+ 50+ 100+
gbp 2.03 1.71 1.48 1.35
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TECHNICAL SPECIFICATIONS

1583 
MinTypMax 
Supply Voltage+/-5V-+/-18V 
Supply Current-7mA10mA 
Equiv Input Noise 
0dB gain-40nV/rtHz- 
20dB gain-5.7nV/rtHz- 
40dB gain-2.3nV/rtHz- 
60dB gain-1.9nV/rtHz- 
THD+N 
0dB gain-0.0006%- 
20dB gain-0.0008%- 
40dB gain-0.001%- 
60dB gain-0.006%- 
Slew Rate-50 V/us- 

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