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PCM2912 Datasheet(PDF) 9 Page - Texas Instruments

Part # PCM2912
Description  AUDIO CODEC WITH USB INTERFACE, MONO MICROPHONE INPUT AND STEREO HEADPHONE OUTPUT
PDF  35 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

PCM2912 Datasheet(HTML) 9 Page - Texas Instruments

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FUNCTIONAL BLOCK DIAGRAM
PLL (x16)
VIN
V
L
OUT
USBProtocol
Controller
XTI
D–
D+
SSPND
96MHz
Tracker
(SpAct
®
)
FIFO
Analog
PLL
Power
Manager
VBUS
AGND/ HGND/ PGND/DGND
6.000MHz
XTO
ISO-In
Endpoint
Control
Endpoint
POWER
Analog
PLL
5Vto3.3V
Voltage
Regulator
REC.
XCVR
USBSIE
Selector
Selector
FIFO
MIC
AMP
+20/0dB
HP AMP 15mW (@32 W)
ATT 0 dB~ –76 dB
in1 dBsteps withMute
VCOM2
PGA + 30 dB~ –12 dB
in1 dBsteps
S
S
MIC
BIAS
MBIAS
ATT 0dB~ –76 dB
in1 dBstepswith Mute
PLAY
TEST 0
TEST 1
MAMP
MMUTE
Vref.
BGND
DAC
ADC
FL
FR
V
/V
/V
/V
/V
CCA
CCP
CCL
CCR
DD
ISO-Out
Endpoint
VCOM1
V
R
OUT
PCM2912
SLES216 – FEBRUARY 2008
Copyright © 2008, Texas Instruments Incorporated
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Product Folder Link(s): PCM2912



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