参数资料
型号: 73M1906B-IVT/F
厂商: Maxim Integrated Products
文件页数: 4/88页
文件大小: 0K
描述: MICRODAA SET FXO OF VOIP 20TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 74
系列: *
73M1866B/73M1966B Data Sheet
DS_1x66B_001
12
Rev. 1.6
2.4
73M1916 32-Pin QFN Pinout
Figure 5 shows the 73M1916 32-pin QFN pinout.
6
7
8
9
5
4
3
2
1
17
18
19
20
24
23
22
21
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
CKO
OFH
CKI
VNX
SCP
MID
SCM
VPX
RST
DCD
TST
TXM
SACIN
RXM
RXP
VPS
RCT
BYP
S
RE
S
RB
V
NS
V
BG
ACS
V
NS
73M1916
DCS
G
P
O
G
P
I
V
NS
/V
ND
R
G
P
R
G
N
DCI
DCG
Figure 5: 73M1916 32-Pin QFN Pinout
Table 4 describes the pin functions for the device. Decoupling capacitors on the power supplies should
be included for each pair of supply pins.
Table 4: 73M1916 32-Pin QFN Pin Definitions
Pin
Number
Pin
Name
Type
Description
1
CKO
O
Test point for recovered clock
2
OFH
O
Off-hook control
3
CKI
I
Test input for clock
4
VNX
GND
Negative supply voltage
5
SCP
I/O
Positive side of the secondary pulse transformer winding
6
MID
I/O
Charge pump midpoint
7
SCM
I/O
Negative side of the secondary pulse transformer winding
8
VPX
PWR
Supply from the barrier
9
RCT
I
External rectification – disables internal rectifier when low,
leave open
10
BYP
I
Test pin, leave open
11
SRE
I
Voltage regulator sense
12
SRB
O
Voltage regulator drive
13
VNS
GND
Digital negative supply voltage
14
VBG
O
VBG bypass, connect to 0.1μF capacitor to VNS
15
ACS
I
AC current sense
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