參數(shù)資料
型號(hào)： 73M1922-DB
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 78/82頁(yè)
文件大小： 0K
描述： BOARD DEMO 73M1922 20-TSSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
主要目的： *
嵌入式： 否
已用 IC / 零件： *
主要屬性： *
次要屬性： *
已供物品： 板，CD
73M1822/73M1922 Data Sheet
DS_1x22_001
8
Rev. 1.6
2
Pinout
The 73M1922 consists of two devices, the 73M1902 and the 73M1912, which are available as 20-pin
TSSOP packages and as 32-pin QFN package sets.
2.1
73M1902 20-Pin TSSOP Pinout
Figure 2 shows the 73M1902 20-pin TSSOP pinout.
73M1902
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
FSD
FS
VND
VPD/VPPLL
OSCIN/MCLK
OSCOUT
VNPLL/VNA
AOUT
TYPE
VPA/VPM
VNMVNT
SDOUT
SCLK
INT/RGDT
VND
VPT/VPD
M/
S
PRM
PRP
SDIN
Figure 2: 73M1902 20-Pin TSSOP Pinout
Table 1 describes the pin functions for the device. Decoupling capacitors on the power supplies should be
included for each pair of supply pins.
Table 1: 73M1902 20-Pin TSSOP Pin Definitions
Pin
Number
Pin
Name
Type
Description
1
FSD
O
Frame synchronization (
FS) delayed
2
FS
O
Frame synchronization
3
VND
GND
Negative digital ground
4
VPD/VPPLL
PWR
Positive digital/PLL supply
5
OSCIN/MCLK
I
Crystal oscillator circuit input pin.
Input from an external clock source. Crystal frequency range
is 9 MHz – 27 MHz.
6
OSCOUT
O
Crystal oscillator output pin. (N.C. with external oscillator)
7
VNA/VNPLL
GND
Negative analog/PLL ground
8
AOUT
O
Call progress audio output
9
TYPE
I
Type of frame sync. 0 = late (mode0), 1 = early (mode1).
Weak-pulled high – default = early.
10
VPA/VPM
PWR
Positive analog supply
11
VNM/VNT
GND
Negative barrier interface supply / negative transformer supply
12
M/
S
I
Master/slave control, reset at a transition.
13
PRM
I/O
Pulse transformer primary minus
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