U4089B-PFN ATMEL [ATMEL Corporation], U4089B-PFN Datasheet - Page 21

• Manufacturer Part Number: U4089B-PFN
• Description: Monolithic Integrated Feature Phone Circuit
• Manufacturer: ATMEL [ATMEL Corporation]

Figure 21. DC Ramps
4518A–CORD–05/02
RSAO
100K
1.65K
CB
4.7U
RDC
RGS
CMP
4.7U
open
RSENSE
+
10
44 GT
11
20
10
13
21
1
3
4
6
8
9
7
VL
IND
VB
MIC1
GND
MIC2
GT
SENSE
SAO
VMP
DTMF
IMPSEL
TSACL
RECIN
ATAFS
INLDT
INLDR
RECO
MUTX
TLDR
TTXA
TLDT
IREF
GSA
AGA
STO
SAI
GR
STI
VM
42
25
36
32
31
29
28
27
26
24
41
40
39
33
30
23
22
CTXA
CLDR
CLDT
CRIN
47N
2.2N
1U
100U
2.2N
1N
1N
+
CM
offen
RNW2
RATAFS
100
RGSA
RGR
RH
3K
offen
RAGA
RREF
62K
68N
CH
2MEG
2MEG
U4089B-P
21