User guide

Evaluation Kit Hardware
4-36 Evaluation Kit (EK) User Guide
11115A–ATARM–27-Jul-11
4.3.3.11 Telephone Interface
The Evaluation Kit features a smart DAA (Data Access Arrangement) chip to drive an analog telephone
line on RJ11 6P4C port (J16).
Figure 4-30. Telephone Interface
MMBAT42 Q5
1
2 3
0R can be replaced by bead to improve EMI
J16
MJM0606GE06-H
1 2 3 4 5 6
C67 100n
L8 220ohm at 100MHz
1 2
L9 220ohm at 100MHz
1 2
R92 6.81M
R101 3.01R
R95 280R
DAA_GND
R103 9R1
C70 47pF
DIBP DIBN
0805
0805
C74 100n
R93 6.81M
DAA_GND
DAA_GND
DAA_GND
C65 100n
C63 470p
12
C64 470p
12
DAA_GND
C66 100n
R96 280R
C69 10n
C72 150pF
1%
1%
1%1%
R97 280R
1206
LAN0066-50 TX1
1 2 3
4
R100 3.01R
D4
TB3100M-13-F
1206 1206
R98 280R 1206
R94 237K
MMBAT42 Q2
1
2 3
MN11
CX20548-11Z
RAC
4
TAC
5
EIC
11
RXI
6
EIO
10
EIF
9
TXO
8
TXF
7
GPIO
13
VC
3
EP
17
DVDD
1
DIBP
14
DIBN
16
PWR
15
AVDD
2
TEST
12
MMBD3004S-7-FD5
1
3
2
C73 100n
DAA_GND
R99 100R
DVDD
MMBAT42 Q4
1
2 3
100V
R102 110R
C71
150pF
C68 47n
MMBD3004S-7-FD3
1
3
2
R166 0R R167 0R
MMBAT42 Q3
1
2 3
1%
1%
1% 1206
DAA_GND
DAA_GND
RJ11