參數(shù)資料
型號： LMX3162VBHX
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 通信及網(wǎng)絡
英文描述： Single Chip Radio Transceiver
中文描述： SPECIALTY TELECOM CIRCUIT, PQFP48
封裝： 7 X 7 MM, PLASTIC, QFP-48
文件頁數(shù)： 3/18頁
文件大?。?/td> 399K
代理商： LMX3162VBHX
Pin Descriptions
(Continued)
Pin No.
7
Pin Name
Tx V
REG
I/O
—
Description
Regulated power supply for external PA gain
stage.
8
V
CC
—
Power supply for analog sections of PLL and
doubler.
Ground.
Frequency doubler output.
9
GND
Tx
OUT
—
O
10
11
12
GND
V
CC
—
—
Ground.
Power supply for analog sections of PLL and
doubler.
Ground.
Ground.
RF Input to PLL and frequency doubler.
13
14
15
GND
GND
f
IN
—
—
I
16
CE
I
Chip Enable. Pulling LOW powers down entire
chip. Taking CE HIGH powers up the
appropriate functional blocks depending on the
state of bits F6, F7, F11, and F12 programmed
in F-latch. It is necessary to initialize the internal
registers once, after the power up reset. The
registers’ contents are kept even in power-down
condition.
17
V
P
—
Power supply for charge pump.
18
D
o
O
Charge pump output. For connection to a loop
filter for driving the input of an external VCO.
19
V
CC
—
Power supply for CMOS section of PLL and
ESD bussing.
Ground.
20
GND
—
L
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