參數(shù)資料
型號: LMX2350TM
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: XO, clock
英文描述: PLLatinum⑩ Fractional N RF / Integer N IF Dual Low Power Frequency Synthesizer
中文描述: PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO24
封裝: PLASTIC, TSSOP-24
文件頁數(shù): 3/20頁
文件大小: 378K
代理商: LMX2350TM
Connection Diagram
(Continued)
Pin
No.
17
18
Pin
Name
GND
fin IF
I/O
Description
-
I
Ground for IF analog circuitry.
IF prescaler complimentary input. A bypass capacitor should be placed as close as possible
to this pin and be connected directly to the ground plane.
IF prescaler input. Small signal input from the VCO.
Ground for IF digital circuitry.
IF charge pump output. For connection to a loop filter for driving the input of an external VCO.
Power supply for IF charge pump. Must be
V
cc
RF
and V
cc
IF
.
IF power supply voltage input. Must be equal to Vcc
RF
. Input may range from 2.7 V to 5.5 V.
Bypass capacitors should be placed as close as possible to this pin and be connected directly
to the ground plane.
Programmable CMOS output. Level of the output is controlled by IF_N [18] bit.
19
20
21
22
23
fin IF
GND
CPo
IF
Vp
IF
Vcc
IF
I
-
O
-
-
24
OUT1
O
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