IDTSTAC9251H5TAEA1XR IDT, Integrated Device Technology Inc, IDTSTAC9251H5TAEA1XR Datasheet - Page 18

• 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

4. FUNCTIONAL BLOCK DIAGRAMS
MODEM
IDT™
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
CODEC
BIT_CLK
Reset #
SD0
SYNC
SDI-
SDI-
STAC9250/9251
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
4.1.
Pin 5
Pin 14
Pin 8
Pin 10
Pin 11
Pin 6
STAC9250
Channel
Channel
Channel
Stream/
Stream/
Channel
Channel
Stream/
Stream/
Stream/
Select
Select
Select
Select
Select
Modem
STEREO
ADC
CA1 Pin2
CA2 Pin1
Figure 1. STAC9250 Functional Block Diagram
+22 dB
PC Beep
Digital
mute
vol
DAC A
Digital
Boost
MIC
Analog PC
DAC A
Analog
18
Pin 12
Beep
Interface
Isolation
Receiver
Σ
PCM to
SPDIF
SPDIF
OUT
vol
mute
Interface
Control
Pin 13: Sense A
Pin 27: VREF In
Pin 28: VREF Out (switchable Mic Bias)
Pin 29: VREF Out (switchable Mic Bias)
Pin 32: CAP 2
Pin 33: GPIO0
Pin 34: GPIO1
Pin 45: GPIO2
Pin 47: GPIO3
STAC9250/9251
-6dB
HP
Out
HP
Out
Line
Out
Line
Out
Σ
vol
SPDIF
mute
Pin 47
CA1, CA2
AOUT
SPDIF IN
Pin 48
+0 dB
Pin 17
Pins 15/16
CD
MONO_OUT
Pin 37
Pin Complex
Pins 39/41
Pin Complex
Pins 35/36
Pin Complex
Pins 23/24
Pin Complex
Pins 21/22
Pin Complex
Pins 18/20
PC AUDIO
CD In
V 1.2 01/08
Port A
Port D
Port C
Port B