IDTSTAC9251H5TAEA1XR IDT, Integrated Device Technology Inc, IDTSTAC9251H5TAEA1XR Datasheet - Page 131

• Manufacturer Part Number: IDTSTAC9251H5TAEA1XR
• Description: IC AUDIO CODEC 2CH HD 5V 48-LQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec, HDr

Specifications of IDTSTAC9251H5TAEA1XR

• 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: STAC9251H5TAEA1XR

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
SDATA_IN/MODEM
SDATA_IN/CODEC
6.3.
DVDD_CORE3
SDATA_OUT
VREFOUT-C
VREFOUT-B
PORT-B_R
PORT-C_R
PORT-B_L
PORT-C_L
VREF FILT
Pin Name
SENSE_A
BIT_CLK
PCBEEP
RESET#
CD-GND
DVSS3
AVDD1
AVSS1
DVSS
SYNC
CAP2
CD-R
CD-L
C2A
C1A
NC
NC
NC
NC
NC
NC
Pin Table for STAC9250/9251
HD Audio Serial Data input for the CODEC (outbound stream)
HD Audio Serial Data input for the modem (outbound stream)
HD Audio Serial Data output (inbound stream)
Jack insertion detection Ports A,B,C,D
(intended for mic bias) for Port B
(intended for mic bias) for Port C
Reference Voltage out drive
Reference Voltage out drive
Input/Output of Right DAC2
Input/Output of Right DAC1
Analog Vdd = 5.0V or 3.3V
Input/Output of Left DAC2
Input/Output of Left DAC1
CD Audio Analog Ground
CD Audio Right Channel
CD Audio Left Channel
HD Audio Frame Sync
Isolation Capacitor 2A
Isolation Capacitor 1A
Analog Virtual Ground
ADC reference Cap
HD Audio Bit Clock
Digital Vdd = 3.3V
HD Audio Reset
Analog Ground
Digital Ground
Digital Ground
Pin Function
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
PC Beep
131
I/O(Analog)
I/O(Analog)
I/O(Analog)
I/O(Analog)
I/O(Analog)
I/O(Analog)
I/O(Digital)
O(Analog)
O(Analog)
O(Analog)
O(Analog)
O(Analog)
O(Digital)
I(Analog)
I(Analog)
I(Analog)
I(Analog)
I(Analog)
I(Analog)
I(Analog)
I(Digital)
I(Digital)
I(Digital)
I(Digital)
I(Digital)
I(Digital)
STAC9250/9251
None
None
None
None
None
None
I/O
Internal Pull-up
/Pull-down
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
PC AUDIO
V 1.2 01/08
Location
Pin
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
11
5
1
2
3
4
7
8
9
6