Datasheet

DS_1903_032 73M1903 Data Sheet
Rev. 2.1 35
R2
20K
R48 210, 1%
R49 210, 1%
R16
100
SDO
HOOK f rom host
R17 38.3K, 1%
R20
61.9K, 1%
R22 38.3K, 1%
R23
61.9K, 1%
C3
0.15uF
VCCA
SDI
27MHz or other SYSCLK
FS\
SCLK
+
C7
10uF
C11
0.1uF
C13
0.1uF
VCCD
C21
0.1uF
C4
2.2nF
U1
73M1903-20VT
SDOUT
1
VND
2
VPD
3
FS
4
SCLK
5
VBG
6
RST
7
VPA
8
TXAN
9
TXAP
10
RXAN
11
RXAP
12
VNA
13
VNPLL
14
OSCOUT
15
OSCIN
16
VPLL/PPD
17
VND
18
SCLKM
19
SDIN
20
RESET\RESET
TIP
RING
-+
BR1
HD04
4
1
3
2
ISOLATION BARRIER
U2
TLP627
12
43
C22
220pF, 250V
C20
220pF, 3kV
C23
220pF, 3kV
L2
NLV32T-4R7
E1
TISP4350T3BJR
Bourns
Thy ristor
1
2
T1
MIT4115V
Sumida
1
4
2
3
C19
0.22uF
250V
R9
63K
L1 NLV32T-4R7
F1
MF-R015/600
Bourns
PTC fuse
+
C9
3.3uF
C10
0.1uF
VCCD
10 73M1903 Schematic and Bill of Material
Figure 14: 73M1903 Schematic