AK2504A Datasheet, PDF (27/30 Pages) List of Unclassifed Manufacturers – DS3/STS-1/ES Transceiver

ASAHI KASEI
[AK2504A]
Application Circuit Example
Note :
Leave the following NC pins open.
Pin 1,2,15,16,17,18,31,32,33,34,47,48,49,50,63,64.
3.3V
Recommended Diode :
Any diode with V(forward) = 0.58V to 0.89V
for I(forward)=10mA in all temperature range
can be used. e.g. 1SS184, 1SS181
23 _TCLK
39 39 Ω
TTIP
1CT : 1 ^{150 nH}
FRAMER
24 _TPDATA
25 _TNDATA
20 _RCLK
37
TRING _{39 Ω}
38
AK2504A ^VSST
21 RPDATA
75 Ω
0.1 uF
22 _RNDATA
RTIP ^{45 37.4 Ω 1:1}
COAX
CONTROL
LOGIC
6 _TCKPOL
41 RCKPOL
3 _NRZ
35 _TAOS
14 _RLOL
62 _RLOS
42 _LOSTHR
60 _LBO
51 _EQDIS
Open
61
8
10
43
46
9
27
26,40
19
58
RESET
RLOOP
LLOOP
E3
TEST1
TEST2
TEST3
TEST4, TEST7
TEST5
TEST6
44
RRING
37.4 Ω
0.01 uF
VDDA ⁵⁹
0.01 uF
VDDV ⁵²
VSSV ⁵³
VDDP ⁴
VSSP ⁵
VDDB ⁵⁴
VSSB ⁵⁷
VDDT ³⁶
VSST
29
VDDD ¹²
VSSD ¹³
VSSS ¹¹
0.01 uF
0.01 uF
0.01 uF
0.01 uF
0.01 uF
3.3V
CLOCK
SOURCE
7 _EXCLK
TCAP1 TCAP2
PLA IREF
Recommended Transformer :
Maker Product No.
TDK WBTRID2.5-J004C002
30
28
56 55
TDK WBTRID2.5-0340N
0.1uF 0.1uF
RPLA
4.7 kΩ±1%
Ratio
1CT:1
1:1
RPLA: 1.33kΩ ±1% for DS3/STS-1, 1.27kΩ ±1% for E3
NOTE) If the power of transmit signal is larger than the requirement,
the power can be reduced by increasing the value of RPLA.
MS0143-E-01
- 27 -
2004/01