IDTSTAC9753AXNAED1XR IDT, Integrated Device Technology Inc, IDTSTAC9753AXNAED1XR Datasheet - Page 92
IDTSTAC9753AXNAED1XR
Manufacturer Part Number
IDTSTAC9753AXNAED1XR
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 IDTSTAC9753AXNAED1XR
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
Single Supply Voltage (typ)
3.3/5V
Single Supply Voltage (min)
3.135V
Single Supply Voltage (max)
3.465/5.25V
Package Type
VFQFPN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
STAC9753AXNAED1XR
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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
11.3. Pin Description for the 32-pad QFN Package
Pin 32: To Disable SPDIF, use an 1K - 1 0 K external pullup resistor.
Pin 11: The CD_GND signal is an AC signal return for the two CD input channels. It is normally
biased at about 2.5V. The name of the pin in the AC’97 specification is CD_GND, and this has con-
fused many designers. It should not have any DC path to GND. Connecting the CD_GND signal
directly to ground will change the internal bias of the entire CODEC, and cause significant distortion.
If there is no analog CD input, then this pin can be No-Connect.
EAPD/GPIO4
MONO_OUT
SPDIF-OUT
Figure 25. STAC9752A/9753A 32 pad QFN Pin Description Drawing
AVDD2
GPIO3
AVSS
HP_R
HP_L
25
26
27
28
29
30
31
32
32 pad QFN
92
16 LINE_IN_R
15 LINE_IN_L
14 MIC 2
13 MIC 1
12 CD_R
11 CD_GND
10
9 PHONE
CD_L
STAC9752A/9753A
PC AUDIO
V 1.5 1206
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