U4030B TEMIC Semiconductors, U4030B Datasheet - Page 12

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

CVM
10
CRNW2
m
100 n
CR
2.2
R4
12 k
RNW2
m
18 k
RNW4
CRNW4
100 n
390
PR2
680
AC
RNW3
2.7 k
CLIM
470 n
VDTMF
PR1
33 k
100 n
CRNW3
CRECO
ROUT
150
ZEAR
68 n
470 n
10
m
VMUTE
IMUTE
VM
VC
CLIM
CK
ST
GR
RECO
MUTE
MICO
DTMF
U4030B
RS1
12 k
SWAMP
CSLP
1.5 n
VC
10
MIC2
MIC1
PRIV
GND
RDC
m
VD
VL
PD
GS
CK
68 n
RS2
430
CS
2.2
RDC
m
10
68 n
ZM
RSWAMP
IPD
CVD
68
15 V
ID
VPRIV
1000
68 n
m
RIMP
1 k
47
m
ZR
100
m
VL
IL