TCM8000 Datasheet, PDF (2/19 Pages) Texas Instruments – CELLULAR TELEPHONE AUDIO PROCESSOR

functional block diagram
18
RXIN
VCC ¹
4
RXTRIM
±4 dB
3
REF
19
GND
VBRX ²
44
VBTX
TXDA ²²
Transmit
Data
Filter
23
M1O
24
M1P
M1N ²⁵
M2P ²⁶
27
M2N
28
M2O
A1
+
–
A2
+
–
1
MICSW
RXO EXIN ETC EXO RXVI
4 16 17
15 14 ₁
CTI
13 ₃
RXBP
Filter
– 6 dB
Receive
Data
Filter
Expander
3
Σ
EBP
RXSW
SAT
Filter
SATTRIM
– 0 dB/7dB
4
MICTRIM
± 4 dB
1
TDSW
1
RXLIM ST
4
1
8
12
Volume
Control
±15 dB
LSSW
10
HSO
11
HFO
9 _RXDO
4
DAC
7
DAC
42 _PSO
OSC
21
XT0
20
XT1
3
4
DATA ⁵
6
DCLK
43
LOAD
Digital ³⁶
Control
CBP
TXLP1
Filter
6 dB
Limiter
TXLP2
Filter
6 dB
30
Compressor
39
29 _TXVO
36
LIMIN
TDI
31 33
32
35
34
TXVI
38
CIN CVE CTC CMPR ^CO
POUT
37
TXLIM
Pin numbers shown are for the FN package.
41
TXSUM
Σ
TXSW
TXTRIM
± 4 dB
40
TXO