IDTSTAC9251G3TAEA1XR IDT, Integrated Device Technology Inc, IDTSTAC9251G3TAEA1XR Datasheet - Page 38
IDTSTAC9251G3TAEA1XR
Manufacturer Part Number
IDTSTAC9251G3TAEA1XR
Description
IC AUD CODEC 2CH HD 3.3V 48-LQFP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Audio Codec, HDr
Datasheet
1.IDTSTAC9250G3TAEA1XR.pdf
(137 pages)
Specifications of IDTSTAC9251G3TAEA1XR
Resolution (bits)
24 b
Number Of Adcs / Dacs
2 / 2
Sigma Delta
Yes
S/n Ratio, Adcs / Dacs (db) Typ
89 / 100
Dynamic Range, Adcs / Dacs (db) Typ
88 / 99
Voltage - Supply, Analog
3.14 V ~ 3.47 V; 3.8 V ~ 4.2 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-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
STAC9251G3TAEA1XR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IDTSTAC9251G3TAEA1XR
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
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IDT™
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
5.5.19. AFG DigMic for STAC9251 only
[31:24]
[23:16]
[15:8]
[7:0]
[31:8]
[7:6]
[5:4]
Bit
Bit
Set1
Get
Table 47. AFG DigMic (for STAC9251 only) Command Response Format
Bitfield Name
Subsystem3
Subsystem2
Subsystem1
Table 46. AFG DigMic (for STAC9251 only) Command Verb Format
Bitfield Name
Assembly
PhAdj
Rsvd
Rate
Table 45. AFG SysID Command Response Format
Verb ID
FEA
7EA
RW
RW
RW
RW
RW
RW
RW
RW
38
R
Reset
0x00
0x00
0x01
0x00
See bits [7:0] of bitfield table
Reset
0x0
0x0
0x2
Subsystem ID. (Any non-zero value)
Subsystem ID. (Any non-zero value)
Subsystem ID. (Any non-zero value)
Assembly ID. (Not applicable to CODEC
vendors)
Payload
Reserved
Selects what phase of the DigMic clock the
data should be latched:
0 = rising edge
1 = center of high
2 = falling edge
3 = center of low
Selects the DigMic rate:
0 = 4 MHz
1 = 3 MHz
2 = 2 MHz
3 = 1 MHz
00
STAC9250/9251
Description
Description
See bitfield table
0000_0000h
Response
PC AUDIO
V 1.2 01/08
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