IDTSTAC9752AXNAED1X IDT, Integrated Device Technology Inc, IDTSTAC9752AXNAED1X Datasheet - Page 86
IDTSTAC9752AXNAED1X
Manufacturer Part Number
IDTSTAC9752AXNAED1X
Description
IC CODEC AC'97 MIC/JACK 32-QFN
Manufacturer
IDT, Integrated Device Technology Inc
Type
Audio Codec '97r
Datasheet
1.IDTSTAC9752AXNAED1XR.pdf
(106 pages)
Specifications of IDTSTAC9752AXNAED1X
Resolution (bits)
20 b
Number Of Adcs / Dacs
2 / 2
Sigma Delta
Yes
S/n Ratio, Adcs / Dacs (db) Typ
85 / 92
Voltage - Supply, Analog
3.14 V ~ 3.47 V; 4.75 V ~ 5.25 V
Voltage - Supply, Digital
3.14 V ~ 3.47 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
32-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
STAC9752AXNAED1X
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IDT™
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
Figure 23 illustrates a state when all the mixers should work with the static volume settings that are
contained in their associated registers. This configuration can be used when playing a CD (or exter-
nal LINE_IN source) through the STAC9752A/9753A to the speakers, while most of the system in
low power mode. The procedure for this follows the previous example, except that the analog mixer
is never shut down.
Normal
PR0=0 & ADC=1
Figure 23. Powerdown/Powerup Flow With Analog Still Alive
PR0=1
ADCs off PR0
PR1=0 & DAC=1
PR1=1
DACs off PR1
86
PR4=1
Digital I/F off
Warm Reset
PR4
STAC9752A/9753A
Shut off
AC-Link
PC AUDIO
V 1.5 1206
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