TEA1095 Philips Semiconductors, TEA1095 Datasheet - Page 19

• Manufacturer Part Number: TEA1095
• Description: Voice switched speakerphone IC
• Manufacturer: Philips Semiconductors

Hands-free
Handset
Handset plus listening-in
ring
tip
MODE
interrupter
DP
OPEN
CLOSED
OPEN
S1
CONTROLLER
S2
MICRO-
S1
S3
S4
MUTET
100 F
C VDD
OPEN
CLOSED
CLOSED
390
DTMF DTMF
R DD
S2
SWITCH
V DD
R SLPE
20
TXOUT
HSMIC
HSMIC
V EE
S1
SLPE
TEA1096
Fig.13 Application example.
S3
LN
DLL/
DIL
C DLL
470
nF
OPEN
OPEN
CLOSED
V BB
LSI
S4
HFQLS
MICM
R1
MICP
QRP
QLS
C QLS
47 F
470 F
C VBB
C QRP
10 F
C MICP
C MICM
100 nF
100 nF
LOW
DON’T CARE
HIGH
S2
S3
MUTET
C1
HSQRP
R2
R4
C HSMIC
100 F
HSMIC
S4
R3
C RXIN
100 nF
R5
TXGND
TXOUT
MUTET
RXIN
GND
16
14
15
2
6
MUTETX
microcontroller
TEA1095
from
1
MUTERX
13
18
PD
7
8
5
RXOUT
V BB
TXIN
VOL
C TXIN
100
nF
100 nF
C RXOUT
R6
R VOL
HFTXIN
C HFTXIN
100 F
R7
MBG361