73M1866B-IFX Maxim Integrated Products, 73M1866B-IFX Datasheet - Page 9
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73M1866B-IFX
Manufacturer Part Number
73M1866B-IFX
Description
KIT EVALUATION FOR 73M1866B
Manufacturer
Maxim Integrated Products
Specifications of 73M1866B-IFX
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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DS_1x66B_001
2.2
Figure 3 shows the 73M1916 20-pin TSSOP pinout.
Table 2 describes the pin functions for the device. Decoupling capacitors on the power supplies should
be included for each pair of supply pins.
Rev. 1.6
Pin
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
73M1916 20-Pin TSSOP Pinout
Pin Name
DCI
RGN
RGP
OFH
VNX
SCP
MID
VPX
SRE
SRB
VBG
ACS
VNS
VPS
RXP
RXM
TXM
DCD
DCS
DCG
VNX
RGN
RGP
OFH
SRB
SCP
SRE
VPX
MID
DCI
PWRO
Type
GND
PWR
GND
I/O
I/O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
Figure 3: 73M1916 20-Pin TSSOP Pinout
Table 2: 73M1916 20-Pin TSSOP Pin Definitions
10
4
1
2
3
5
6
7
8
9
DC loop input
Ring detect negative voltage input
Ring detect positive voltage input
Off-hook control
Negative supply voltage (line side of the barrier)
Positive side of the secondary pulse transformer winding
Charge pump midpoint
Supply from the barrier
Voltage regulator sense
Voltage regulator drive
VBG bypass, connect to 0.1 μF capacitor to VNS
AC current sense
Analog negative supply voltage
Analog positive supply voltage (output)
Receive plus – signal input
Receive minus – signal input
Transmit minus – transhybrid cancellation output
DC loop output
DC loop current sense
DC loop control
73M1916
Description
20
19
18
17
16
15
14
13
12
11
73M1866B/73M1966B Data Sheet
DCD
RXM
DCG
TXM
RXP
VNS
ACS
VBG
DCS
VPS
9
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