TEA1098A Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
TEA1098A Datasheet PDF : 40 Pages
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Philips Semiconductors
Speech and handsfree IC
Product specification
TEA1098A
BLOCK DIAGRAM
handbook, full pagewidth
LN 19
STARTER
REG SLPE
20 18
R1
LINE CURRENT DETECTION
LOW VOLTAGE BEHAVIOUR
AGC 22
GND 17
AGC
tail currents for preamps
HFTX 39
DTMF 35
MIC+ 34
MIC− 33
ATTENUATOR
SWITCH
TEA1098A
TXI 31
TSEN 9
TENV 8
TNOI 7
RNOI 10
RENV 12
RSEN 11
TX AND RX
ENVELOPE AND NOISE
DETECTORS
BUFFERS
AND
COMPARATORS
DUCO LOGIC
SWT STATUS
GALS 15
LSAO 16
DLC 13
RECO 38
GARX 37
EARO 36
DYNAMIC
LIMITER
14 VBB
SUPPLY
MANAGEMENT
23 VDD
24 MICS
POWER-DOWN
CURRENT SOURCES
1 PD
LOGIC
INPUTS
DECODING
40 HFC
2 MUTE
3 BPC
VOICE
SWITCH
VOLUME
CONTROL
30 GATX
29 TXO
32 GNDTX
27 SWT
28 IDT
25 STAB
26 SWR
4 EVCI
5 LVCI
6 HFRX
ATTENUATOR
21 IR
2000 Aug 18
Fig.1 Block diagram.
4
FCA140
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