73M1866B-IMR/F Maxim Integrated Products, 73M1866B-IMR/F Datasheet - Page 10

• Manufacturer Part Number: 73M1866B-IMR/F
• Description: MICRODAA SGL PCM HIGHWAY 42-QFN
• Manufacturer: Maxim Integrated Products
• Series: MicroDAA™r

Specifications of 73M1866B-IMR/F

• Includes: PCM Highway
• Function: Data Access Arrangement (DAA)
• Interface: PCM, Serial, SPI
• Number Of Circuits: 1
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 42-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Power (watts): -

73M1866B/73M1966B Data Sheet
2.3
Figure 4 shows the 73M1906B 32-pin QFN pinout.
Table 3 describes the pin functions for the device. Decoupling capacitors on the power supplies should
be included for each pair of supply pins.
10
Pin
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
73M1906B 32-Pin QFN Pinout
Pin Name
GPIO7
TSC
DX
VPD
FS
PCLKO
PCLKI
VND
VNA/VNPLL
VBG
AOUT
VPA/VPPLL
N/C
VNT
N/C
N/C
PCLKO
PCLKI
GPIO7
TSC
VPD
VND
FS
DX
Table 3: 73M1906B 32-Pin QFN Pin Definitions
Type
PWR
PWR
GND
GND
GND
I/O
I/O
Figure 4: 73M1906B 32-Pin QFN Pinout
O
O
O
O
O
–
–
–
I
1
2
3
5
8
7
4
6
Configurable input/output pin
PCM time slot control (active low)
PCM received data from the A to D
Positive digital supply
PCM frame synchronization
PCM clock output
PCM clock in
Negative digital ground
Negative analog/PLL ground
Band gap voltage reference monitor
Audio output – must be buffered for speaker
Positive analog/PLL supply
No connect
Negative transformer supply
No connect
No connect
73M1906B
Description
24
23
22
19
17
20
18
21
SDO
SDI
SDIT
PRP
VPT
PRM
RST
VPD
DS_1x66B_001
Rev. 1.6