DS_2901CE_031
73M2901CE Data Sheet
R4
13K
R5
13K
R6
27K
R3
33K
Q1
1
PPU Circuit
2N5087
R7
1K
1
Q2
1
Q3
CMPT6429
CMPT6429
T1
Sumida
R21
MIT4114
3
C15
10uF
R12
20K
R10
62K
C16
1uF
100 OHMS
+
2
1
R14
62K
HYBRID1
HYBRID2
D1
15V
0.5W
4
D2
CMR1F-04M
D7
R19
20K
D3
C
A
A
C
CMR1F-04M
12V
DETECT
D8
S1A
RING detection
D5
R11
9.1K
C17
D6
A
U2
C
A
C
TLP627
22V
0.47UF
250V
22V
L1
NLC322522T-4R7M
VCC3_3D
R8
51K
F1
U3
TLP627
TR250-145
RAYCHEM
POLYSWITCH
-
+
2
1
E1
P3100EA70
TECCOR
LIUCHK
VCC3_3D
U5
Z602
SIDACTOR
J2
L2
4
3
2
1
NLC322522T-4R7M
U4
TLP627
C18
0.15uF
250V
R9
C19
CON4
HOOKB
9.1K
RING/CID detection
0.47uF
250V
Figure 5: Traditional DAA Circuit Showing Hardware Detection Circuitry
Rev. 3.3
17
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
