IDTSTAC9251G5TAEA1XR IDT, Integrated Device Technology Inc, IDTSTAC9251G5TAEA1XR Datasheet - Page 38

• Manufacturer Part Number: IDTSTAC9251G5TAEA1XR
• Description: IC AUDIO CODEC 2CH HD 5V 48-LQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec, HDr

Specifications of IDTSTAC9251G5TAEA1XR

• 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: STAC9251G5TAEA1XR

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