IDTSTAC9251G3TAEA1XR IDT, Integrated Device Technology Inc, IDTSTAC9251G3TAEA1XR Datasheet - Page 19
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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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CODEC
IDT™
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
MODEM
BIT_CLK
SYNC
Reset #
SD0
SDI-
SDI-
STAC9250/9251
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
4.2.
Pin 5
Pin 14
Pin 10
Pin 8
Pin 11
Pin 6
STAC9251
Channel
Channel
Channel
Stream/
Stream/
Channel
Channel
Stream/
Stream/
Stream/
Select
Select
Select
Select
Select
Modem
STEREO
ADC
CA1 Pin2
CA2 Pin1
Figure 2. STAC9250 Functional Block Diagram
+22 dB
PC Beep
Digital
mute
vol
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
DAC A
Digital
Boost
Analog PC
MIC
DAC A
Analog
Pin 12
19
Beep
Interface
Isolation
Receiver
Σ
PCM to
SPDIF
SPDIF
OUT
vol
mute
Interface
Control
Digital Mic
Interface
-6dB
STAC9250/9251
HP
Out
HP
Out
Line
Out
Line
Out
Σ
vol
SPDIF
Control
Clock
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
DMI_CLK
DMIC_L,
DMIC_R
CD In
PC AUDIO
V 1.2 01/08
Port A
Port D
Port C
Port B
Pins 43/44
Pin 46
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