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| TCM320AC56 Datasheet, PDF (3/23 Pages) Texas Instruments – VOICE-BAND AUDIO PROCESSORS (VBAP) | |||
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functional block diagram
TCM320AC56, TCM320AC57
VOICE-BAND AUDIO PROCESSORS (VBAP)
SLWS016A â JUNE 1996 â REVISED APRIL 1997
6
MICMUTE
MICIN 18
Input
Buffer
Transmit
Third-Order
Antialias
MICGS 19
VMID 17
20
MICBIAS
VMID
Band-Gap
Voltage
Reference
VMID
Generator
Transmit
Sixth-Order
Low Pass
Transmit
First-Order
High Pass
256 kHz
8 kHz
LINSEL
15
ADC
Output
Logic
13
DOUT
12
FSX
A/D
Converter
Voltage
Reference
256 kHz
D/A
Converter
Voltage
Reference
8 kHz
Autozero
Clock
Generator
Clock
Control
14 TSX/DCLKX
11 CLK
7
DCLKR
EARA 2
EARB 3
EARGS 4
10
EARMUTE
Earphone
Amplifier
Receive
Buffer
256 kHz
Receive
Filter
5
VCC
16
1
GND PDN
Terminal numbers shown are for the DW and N packages.
DAC
15
LINSEL
Input
Logic
9
FSR
8 DIN
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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