U4030B TEMIC Semiconductors, U4030B Datasheet - Page 9

• Manufacturer Part Number: U4030B
• Description: Telephone Speech Circuit
• Manufacturer: TEMIC Semiconductors

10
CVM
CRNW2
100 n
m
CR
12 k
R4
2.2
CRNW4
m
RNW2
53n
18 k
RR2
680
RNW3
RNW4
390
470 n
2.7 k
CLIM
100 n
DTMF
CRNW3
RR1
33 k
150
10
m
470 n
VM
VC
CLIM
CK
GR
MUTE
ST
RECO
MICO
DTMF
CK
68n
U 4030 B
12k
SWAMP
MIC 2
MIC 1
PRIV
GND
RDC
VD
PD
VL
GS
VC
10
430
2.2
m
m
MIC1
10
1000
MIC2
68
m
15V
68n
1k
47
m
VL
600
100
m
ID