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ES9311Q - Ultra-Low Noise Linear Regulator

Description

Pin Name Pin Type Pin Description 1 NC - No internal connection, pin may be grounded or left floating 2 ENQD Input Enable for Quick Discharge function, internal pull-up 3 ENSS Input Enable for Soft-Start function, internal pull-up 4 REF Output Low-noise bandgap reference output v

Features

  • not available in commodity regulators: the two outputs require no decoupling capacitors, remote load sensing ensures output voltage accuracy right at the load, there are two output enable inputs, the outputs have a soft-start function, plus power-good, over-temperature warning, and over-temperature shutdown outputs. The ES9311Q Dual, Ultra-Low Noise Linear Regulator is available in a 30-pin, 3mm x 5mm QFN package.

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Datasheet Details

Part number ES9311Q
Manufacturer ESS
File Size 1.53 MB
Description Ultra-Low Noise Linear Regulator
Datasheet download datasheet ES9311Q Datasheet

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Full PDF Text Transcription

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Analog Reinvented ES9311Q Dual, Ultra-Low Noise Linear Regulator Datasheet The ES9311Q Dual, Ultra-Low Noise Linear Regulator is the industry’s highest-performance, ultra-low noise regulator optimized to supply the reference voltages for ESS’ 32-Bit SABRE DACs and ADCs. Audio DACs require a very low-noise reference voltage to achieve high dynamic range (DNR). The ES9311’s output noise is typically under 1µVrms from 100Hz to 100kHz, and less than 1.3µVrms from 10Hz to 100kHz. The temperature coefficient of each voltage output is typically 50ppm/°C. The dual regulator replaces three active devices and several discrete components used previously to produce a high-performance, low-noise regulator.
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