IDTSTAC9766XXTAEC1X IDT, Integrated Device Technology Inc, IDTSTAC9766XXTAEC1X Datasheet - Page 37

• Manufacturer Part Number: IDTSTAC9766XXTAEC1X
• Description: IC CODEC AC'97 2CH 2.3 48-TQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec '97r

Specifications of IDTSTAC9766XXTAEC1X

• Data Interface: Serial
• Resolution (bits): 20 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 85 / 95
• 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: 48-TQFP, 48-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: STAC9766XXTAEC1X

IDT™
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
STAC9766/9767
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
5.4.4.
5.4.5.
5.4.6.
5.4.7.
5.4.8.
5.4.9.
5.4.10.
Slot 3: PCM Record Left Channel
Audio input frame slot 3 is the left channel output of STAC9766/9767 input MUX, post-ADC.
STAC9766/9767 ADCs are implemented to support 20-bit resolution.
NOTE: The ADC can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
Slot 4: PCM Record Right Channel
Audio input frame slot 4 is the right channel output of STAC9766/9767 input MUX, post-ADC.
STAC9766/9767 ADCs are implemented to support 20-bit resolution.
NOTE: The ADC can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
Slot 5: Modem Line 1 ADC
Audio input frame slot 5 is not used by the STAC9766/9767 and is always stuffed with 0.
Slot 6-9: ADC
The left and right ADC channels of the STAC9766/9767 may be assigned to slots 6&9 by Register
6Eh.
NOTE: The ADC can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
Slots 7-8: Vendor Reserved
The left and right ADC channels of the STAC9766/9767 may be assigned to slots 7&8 by Register
6Eh.
NOTE: The ADC can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
Slot 10 & 11: ADC
The left and right ADC channels of the STAC9766/9767 may be assigned to slots 10&11 by Register
6Eh.
NOTE: The ADC can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
Slot 12: Reserved
AC-link input frame slot 12 contains the GPIO status inputs and allows for audio interrupts. Audio
output frame slot 12 is Reserved for modem operations and is not used by the STAC9766/9767.
37
STAC9766/9767
PC AUDIO
V 7.4 12/06