73M1906B-IM/F Maxim Integrated Products, 73M1906B-IM/F Datasheet - Page 12

• Manufacturer Part Number: 73M1906B-IM/F
• Description: Interface - Specialized DAA-FXO VolP SYSTEM HOST SIDE
• Manufacturer: Maxim Integrated Products
• Type: MicroDAA with PCM Highwayr

Specifications of 73M1906B-IM/F

• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

73M1866B/73M1966B Data Sheet
2.4
Figure 5 shows the 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.
12
Pin
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
73M1916 32-Pin QFN Pinout
Pin
Name
CKO
OFH
CKI
VNX
SCP
MID
SCM
VPX
RCT
BYP
SRE
SRB
VNS
VBG
ACS
CKO
SCM
OFH
VNX
SCP
VPX
MID
CKI
Type
PWR
GND
GND
I/O
I/O
I/O
O
O
O
O
I
I
I
I
I
1
2
3
5
8
4
6
7
Figure 5: 73M1916 32-Pin QFN Pinout
Table 4: 73M1916 32-Pin QFN Pin Definitions
Test point for recovered clock
Off-hook control
Test input for clock
Negative supply voltage
Positive side of the secondary pulse transformer winding
Charge pump midpoint
Negative side of the secondary pulse transformer winding
Supply from the barrier
External rectification – disables internal rectifier when low,
leave open
Test pin, leave open
Voltage regulator sense
Voltage regulator drive
Digital negative supply voltage
VBG bypass, connect to 0.1μF capacitor to VNS
AC current sense
73M1916
Description
24
23
22
20
19
18
17
21
VPS
SACIN
RXM
TST
TXM
RXP
RST
DCD
DS_1x66B_001
Rev. 1.6