73M1903-IM/F Maxim Integrated Products, 73M1903-IM/F Datasheet - Page 35

• Manufacturer Part Number: 73M1903-IM/F
• Description: IC MODEM AFE V.22BIS 32-QFN
• Manufacturer: Maxim Integrated Products

Specifications of 73M1903-IM/F

• Number Of Channels: 2
• Voltage - Supply, Analog: 3 V ~ 3.6 V
• Voltage - Supply, Digital: 3 V ~ 3.6 V
• Package / Case: 32-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Number Of Bits: -

DS_1903_032
10 73M1903 Schematic and Bill of Material
Rev. 2.1
0.1uF
C10
SDI
27MHz or other SY SCLK
HOOK f rom host
VCCD
RESET\
RESET
SCLK
FS\
SDO
3.3uF
C9
VCCD
+
C11
0.1uF
73M1903-20VT
U1
R16
100
0.1uF
0.1uF
C13
C21
VCCA
+ C7
10uF
61.9K, 1%
R20
61.9K, 1%
R23
Figure 14: 73M1903 Schematic
R17
R48
R22 38.3K, 1%
0.15uF
C3
38.3K, 1%
210, 1%
R49
2.2nF
210, 1%
C4
R2
20K
TLP627
U2
ISOLATION BARRIER
3
4
2
1
T1
Sumida
MIT4115V
R9
63K
1
C19
0.22uF
250V
+
220pF, 3kV
HD04
-
C20
BR1
2
73M1903 Data Sheet
L1
TISP4350T3BJR
C22
220pF, 250V
NLV32T-4R7
NLV32T-4R7
Bourns
Thy ristor
C23
220pF, 3kV
E1
L2
F1
35
MF-R015/600
Bourns
PTC f use
TIP
RING