73M1906B-IM/F Maxim Integrated Products, 73M1906B-IM/F Datasheet - Page 14

• 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
2.5
Figure 6 shows the 73M1866B 42-pin pinout.
Table 5 describes the pin functions for the device. Decoupling capacitors on the power supplies should
be included for each pair of supply pins.
14
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin
73M1866B Pinout
DX
VPD
FS
PCLKO
VNA
PCLKI
AOUT
VPA
VNT
PRM
PRP
VPT
RST
SDIT
SDI
SDO
Pin Name
PCLKO
PCLKI
AOUT
PRM
VNA
VPD
VPA
VNT
DX
FS
1
Type
PWR
GND
PWR
GND
PWR
2
3
4
5
6
7
8
9
10
I/O
I/O
I/O
O
O
O
O
O
I
I
I
Figure 6: 73M1866B 42-Pin Pinout
PCM received data from the A to D
Positive digital supply
PCM frame synchronization
PCM clock output
Negative analog ground
PCM clock in
Audio output – must be buffered for speaker
Positive analog supply
Negative transformer supply
Transformer primary minus
Transformer primary plus
Positive transformer supply
Hardware reset (active low)
SPI data out for daisy-chain mode
SPI data in
SPI data out
Table 5: 73M1866B Pin Definitions
73M1866B
Description
30
29
28
26
25
24
23
22
31
27
RXM
DCD
TXM
RXP
VPS
VNS
VBG
SRB
SRE
ACS
DS_1x66B_001
Rev. 1.6