STAC9752 datasheet(88/95 Pages) IDT

Part #	STAC9752

Description	TWO-CHANNEL, 20-BIT, AC??7 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING

PDF	95 Pages

Scroll/Zoom	100%

Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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88 / 95 page

STAC9752/9753

TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING

IDT™

STAC9752/9753

REV 3.3 1206

TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING

12.3. Filter/References

These signals are connected to resistors, capacitors, or specific voltages.

12.4. Power and Ground Signals

Table 34. Filtering and Voltage References

Signal Name

Pin Number

Type

Description

VREF

Analog ground (0.45 * Vdd, at 5 V; or 0.41 * Vdd at 3 V)

VREFOUT

Reference Voltage out 5 mA drive (intended for microphone

bias) (~Vdd/2)

AFILT1

Anti-Aliasing Filter Cap - ADC left channel

AFILT2

Anti-Aliasing Filter Cap - ADC right channel

CAP2

ADC reference Cap

Table 35. Power and Ground Signals

Pin Name

Pin #

Type

Description

AVdd1

Analog Vdd = 5.0 V or 3.3 V

AVdd2

Analog Vdd = 5.0 V or 3.3 V

AVss1

Analog Gnd

AVss2

Analog Gnd

DVdd1

Digital Vdd = 3.3 V

DVdd2

Digital Vdd = 3.3 V

DVss1

Digital Gnd

DVss2

Digital Gnd

STAC9752 Datasheet(PDF) 88 Page - Integrated Device Technology

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