73M1822/73M1922 Data Sheet
DS_1x22_017
4 Applications Information
This section provides general usage information for the design and implementation of the 73M1x22. The documents listed in Section Error!
Reference source not found. provide more detailed information. Always consult with Teridian Semiconductor for the latest recommendations before
finalizing a design.
4.1 Example Schematic of the 73M1922 and 73M1822
Figure 10 shows a reference schematic for the 73M1922. Figure 11 shows a reference schematic of the 73M1822. Note that minor changes may
occur to the reference material from time to time and the reader is encouraged to contact Teridian for the latest information. For more information
about schematic and layout design, see the 73M1822/73M1922 Schematic and Layout Guidelines.
R66 1M
C1
C3
0.022(200V, 1206)
0.022 (200V, 1206)
TIP
INTB
SCLK
SDIN
R67 1M
SDOUT
BR1
VCC
+
-
1
2
C33
C32
3.3uF
C31
1nF
R12
5.1K
+
Q4
MMBTA92
0.1uF
1
R2
10M
VCC
HD04
MMBTA42
R3 412K, 1%
R52 200
C30
1nF
C21
3.3uF
C17
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
13
12
11
1
+
Q3
DCI
DCB
DCE
DCD
TXM
R XM
R XP
VPS
VNS
ACS
VBG
RGN
RGP
OFH
VND/VNX
SCP
MID
VPX
FSBD
FS
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
13
12
11
0.1uF
RING
FSBD
FS
VND
VPD/VPPLL
OSCIN
OSCOUT VPT/VPD
VNPLL
AOUT
TYPE
SDOUT
SDIN
VND
SCLK
INT
1
Q2
MMBTA42
C49
R11
3K
1
T1
4
R6
OPTIONAL
R4
100K, 1%
C9
C25
100K, 1%
0.1uF
C5
Y1
24.576MHz
0.47uF 1nF
R8
100K, 1%
100pF
PRP
PRM
M/S
SRE
SRB
2
3
10
3
1
C19
10
C13
15pF
C14
C10 C26
0.47uF 1nF
VPA/VPM VNM/VNT
C18
U2 73M1912
R9
100K, 1%
15pF
C12
0.1uF
+
C7
27pF
27pF
U1 73M1902
C4
+
C24
1uF 10uF
NC (1nF, 3kV)
R18
1K
C15
0.1uF
C28
C22
3.3uF
1
+
Q6
BCP56
1nF
1
C38 C43
R10
255, 1%
C8
Q5
MMBTA06
+
4.7uF 0.1uF 1nF
D1
MMSZ4710T1
R5
8.2
C37
0.01uF
C48
0.01uF
R69
100K*
VNS
*R69 optional
Figure 10: Recommended Circuit for the 73M1922
28
Rev 1.6
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
