U4089B-P_05 Datasheet, PDF (19/26 Pages) ATMEL Corporation – Monolithic Integrated Feature Phone Circuit

Figure 8-8. DC Voltage Absolute
RGS
44 GGTT
open 1 DTMF
S5
3 MIC2
RDC
CB
4 MIC1
6 IND
S4
7 VL
S1
8 GND
10
9 SENSE
RSENSE
10 VB
RSAO
100K
11 SAO
RVMP
1.65K
CMP
4.7U
13 VMP
+
20 IMPSEL
21 TSACL
U4089B-P
CRIN
RECIN 42 ^47N
CTXA
TTXA 41 ^1U
GR 40
RECO 39
RGR
CH
RH _68N
100
STI 36
RNW2
3K
VM 33
CM
100U
IM
STO 32
IREF 31
AGA ³⁰
TLDR 29
TLDT 28
open
RREF
62K
RAGA
CLDR
1N
CLDT
1N
INLDR 27
2.2N
2MEG
INLDT 26
2.2N
2MEG
ATAFS 25
RATAFS
MUTX 24
SAI 23
GSA 22
+
open
RGSA
19
4518C–CORD–10/05