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73M1866B-IMR/F 数据表(PDF) 9 Page - Teridian Semiconductor Corporation

部件名 73M1866B-IMR/F
功能描述  MicroDAA™ with PCM Highway
PDF  88 Pages
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制造商  TERIDIAN [Teridian Semiconductor Corporation]
网页  http://www.teridian.com
标志 TERIDIAN - Teridian Semiconductor Corporation

73M1866B-IMR/F 数据表(HTML) 9 Page - Teridian Semiconductor Corporation

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DS_1x66B_001
73M1866B/73M1966B Data Sheet
Rev. 1.6
9
2.2
73M1916 20-Pin TSSOP Pinout
Figure 3 shows the 73M1916 20-pin TSSOP pinout.
73M1916
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DCI
RGN
RGP
OFH
VNX
SCP
MID
VPX
SRE
SRB
VBG
DCS
DCD
TXM
RXM
RXP
ACS
VNS
VPS
DCG
Figure 3: 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.
Table 2: 73M1916 20-Pin TSSOP Pin Definitions
Pin
Number
Pin Name
Type
Description
1
DCI
I
DC loop input
2
RGN
I
Ring detect negative voltage input
3
RGP
I
Ring detect positive voltage input
4
OFH
O
Off-hook control
5
VNX
GND
Negative supply voltage (line side of the barrier)
6
SCP
I/O
Positive side of the secondary pulse transformer winding
7
MID
I/O
Charge pump midpoint
8
VPX
PWR
Supply from the barrier
9
SRE
I
Voltage regulator sense
10
SRB
O
Voltage regulator drive
11
VBG
O
VBG bypass, connect to 0.1 μF capacitor to VNS
12
ACS
I
AC current sense
13
VNS
GND
Analog negative supply voltage
14
VPS
PWRO
Analog positive supply voltage (output)
15
RXP
I
Receive plus – signal input
16
RXM
I
Receive minus – signal input
17
TXM
O
Transmit minus – transhybrid cancellation output
18
DCD
O
DC loop output
19
DCS
I
DC loop current sense
20
DCG
O
DC loop control



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