73M1866B-IM/F Maxim Integrated Products, 73M1866B-IM/F Datasheet - Page 8

• Manufacturer Part Number: 73M1866B-IM/F
• Description: MICRODAA SGL PCM HIGHWAY 42-QFN
• Manufacturer: Maxim Integrated Products
• Series: MicroDAA™r

Specifications of 73M1866B-IM/F

• Includes: PCM Highway
• Function: Data Access Arrangement (DAA)
• Interface: PCM, Serial, SPI
• Number Of Circuits: 1
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 42-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Power (watts): -

73M1866B/73M1966B Schematic and Layout Guidelines
Maintain 2.5 mm Spacing Between
Line and Host Side Components
8
C33
1nF
PCM TX
SPI CSB
SPI CLK
INTB
SPI OUT
SPI IN
SDITHRU
RSTB
PCM FS
PCM RX
AOUT
PCM CLKIN
PCM CLKO
The reference schematics shown in Figure 4 and Figure 5 are examples and are subject to change. For the latest schematic information, contact
any sales office of Teridian Semiconductor Corporation.
VCC
VCC
VCC
3.3uF
C45
+
0.1uF
C31
174, 1%
R10
21
20
19
18
17
16
15
14
13
12
11
MMBTA06
VNS
0.1uF
DR
CS
SCLK
INT
VND
SDO
SDI
SDIT
RST
VPT
PRP
C12
Q5
1
73M1866B
3.3uF
C21
C37
0.01uF
+
17.4K, 1%
R6
C38
0.1uF
M20PB
VCC
52.3K, 1%
C13
15pF
C14
15pF
C17
0.1uF
DCS
DCG
RGN
RGP
OFH
SCP
VNX
DCI
MID
VPX
R8
1
2
Isolation Barrier
32
33
34
35
36
37
38
39
40
41
42
U1
R9
21K, 1%
T1
Pulse Transf ormer
4
3
C30
1nF
C7
4.7uF, 25V
+
Figure 5: 73M1866B Reference Schematic
4.7uF
VNS
C8
C20
1nF
C26
1nF
C43
1nF
D1
MMSZ4710T1*
C9
0.22uF
C10
0.22uF
R12
5.1K
C24
NC (as needed, 3KV)
C4
10uF
+
1M, 0805
R66
MMBTA42
0.1uF
R5
8.2
C48
1M, 0805
Q3
1
VNS
R68
R11
3K
100K*
R69
R65
200
1
MMBTA92
R58
Q4
C39
5.6nF
R3 412K, 1%
240
C49
100pF
C1
0.022uF, 200V
C3
0.022uF, 200V
1
1
R2
10M
Q7
MMBTA42
Q6
BCP56
R4
100K, 1%
1
+
BR1
HD04
220pF, 300V
VNS
NOTE: GND for C35 and C36 should be on
the host side of the barrier
* Optional, see layout design guide
-
2
C41
C35
C36
L1
220pF, 3kV
220pF, 3kV
L2
P3100SBRP
2 kOhm@100MHz
2 kOhm@100MHz
E1
AN_1x66B_003
F1
TRF600-150
Rev. 3.5
RING
TIP