TEA1098 Philips Semiconductors, TEA1098 Datasheet - Page 30

• Manufacturer Part Number: TEA1098
• Description: Speech and handsfree IC
• Manufacturer: Philips Semiconductors

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Pin numbers in parenthesis apply to the TEA1098H. Pin numbers not in parenthesis apply to the TEA1098TV.
A
B
D2
D1
D3
D4
handsfree
handset
micro
micro
MICS
V d =
10 V
MICS
D z
from
R BMICS
2 k
C MICH
33 nF
C emc
10 nF
C MICB
22 nF
R MICP
1 k
R MICM
1 k
22 nF
22 nF
C tx2
C tx1
100 nF
C TXIN
Z imp
620
C imp
22 F
R TSEN
10 k
C TSEN
100 nF
15 k
15 k
R tx2
R tx1
R bal2
820
R bal1
130
R ast2
3.92 k
R ast1
130 k
R GATX
30.1 k
C HFTX
C DTMF
100 nF
100 nF
C TENV
470 nF
R tx3
8.2 k
392
R ast3
100 nF
C IR
C MICS
10 F
TXOUT
C bal
220 nF
Fig.19 Basic application diagram.
DTMF
GATX
TSEN
TENV
MICS
HFTX
MIC
MIC
TNOI
TXIN
C TNOI
4.7 F
IR
20 (17)
23 (20)
34 (31)
33 (30)
39 (36)
29 (26)
30 (27)
31 (28)
35 (32)
8 (4)
7 (3)
6 (2)
16 (13)
17 (14)
SLPE
GND
R SLPE
20
19 (16)
32 (29)
GNDTX
REG
C REG
4.7 F
21 (18)
24 (21)
AGC
STAB
R STAB
3.65 k
18 (15)
TEA1098
25 (22)
LN
SWR
R SWR
365 k
26 (23)
VOL
13 (10)
R VOL
0 to
22 k
V BB
12 (8)
C VBB
470 F
DLC
C DLC
470 nF
27 (24)
22 (19)
(37) 40
(33) 36
(34) 37
(35) 38
(11) 14
(12) 15
(25) 28
(6) 10
(38) 1
(39) 2
(7) 11
(1) 5
(5) 9
SWT
V DD
C SWT
220 nF
C VDD
47 F
PD
HFC
MUTE
QR
GARX
RECO
HFRX
GALS
LSAO
RSEN
RENV
RNOI
IDT
R GALS
255 k
R IDT
2.2 M
R e1
100 k
C rxe
100 nF
C HFRX
100 nF
C GAR
100 pF
C GALS
C RNOI
4.7 F
150 pF
microcontroller
from
R e2
100 k
C RENV
470 nF
10 F
MGL316
C QR
C LSAO
220 F
C GARS
1 nF
R RSEN
10 k
C RSEN
100 nF