TCM29C23_12 Datasheet, PDF (2/20 Pages) Texas Instruments – VARIABLE-FREQUENCY PCM OR DSP INTERFACE

TCM29C23, TCM129C23
VARIABLE-FREQUENCY PCM OR DSP INTERFACE
SCTS029B − AUGUST 1989 − REVISED NOVEMBER 1996
functional block diagram
Transmit Section
Autozero
ANLG IN + ¹⁷
ANLG IN − ¹⁸
GSX ¹⁹
Filter
Reference
Sample
and Hold
and DAC
Comparator
Successive
Approximation
Output
Register
Analog-
to-Digital
Control
Logic
Receive Section
GSR ⁴
Gain
Set
Σ
PWRO+ ²
3
PWRO−
Filter
Buffer
Sample
and Hold
and DAC
Reference
Control Section
Control
Logic
Digital-
to-Analog
Control
Logic
Input
Register
20 1
10
16
V_CC V_BB DGTL ANLG
GND GND
9
FSR/TSRE
13
PCM OUT
14
TSX/DCLKX
15 _SIGX/ASEL
12
FSX/TSXE
11 _CLKR/CLKX
6
CLKSEL
5
PDN
8
PCM IN
7
DCLKR
2
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