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參數(shù)資料
| 型號： | LMX2434TM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | PLLatinum Dual High Frequency Synthesizer for RF Personal Communications |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 5000 MHz, PDSO20 |
| 封裝： | PLASTIC, TSSOP-20 |
| 文件頁數(shù)： | 4/49頁 |
| 文件大小： | 943K |
| 代理商： | LMX2434TM |
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Pin Descriptions
(Continued)
Pin No.
UTCSP
10
Pin No.
TSSOP
11
Pin Name
I/O
Description
FLoutRF
O
RF PLL Fastlock output. This pin connects a resistor in parallel to R2 of the
external loop filter. This pin can also function as a general purpose CMOS
TRI-STATE output.
Ground for the RF PLL digital circuits.
RF PLL charge pump output. The output is connected to the external loop filter,
which drives the input of the RF VCO.
Ground for the RF PLL analog circuits.
RF PLL prescaler input. Small signal input from the VCO.
RF PLL prescaler complementary input. For single ended operation, this pin
should be AC grounded through a 100 pF capacitor. The LMX243x can be
driven differentially when the AC coupled capacitor is omitted.
Power supply bias for the RF PLL analog circuits. Vcc may range from 2.25V to
2.75V. Bypass capacitors should be placed as close as possible to this pin and
be connected directly to the ground plane.
MICROWIRE Latch Enable input. High impedance CMOS input. When LE
transitions HIGH, DATA stored in the shift register is loaded into one of 6
internal control registers.
MICROWIRE Clock input. High impedance CMOS input. DATA is clocked into
the 24-bit shift register on the rising edge of CLK.
MICROWIRE Data input. High impedance CMOS input. Binary serial data. The
MSB of DATA is shifted in first. The two last bits are the control bits.
Power supply bias for the IF PLL analog and digital circuits, MICROWIRE, and
Ftest/LD circuits. Vcc may range from 2.25V to 2.75V. Bypass capacitors
should be placed as close as possible to this pin and be connected directly to
the ground plane
11
12
12
13
GND
CPoutRF
—
O
13
14
15
14
15
16
GND
FinRF
FinRF
*
—
I
I
16
17
Vcc
—
17
18
LE
I
18
19
CLK
I
19
20
DATA
I
20
1
Vcc
—
L
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| LMX2434TMX | PLLatinum Dual High Frequency Synthesizer for RF Personal Communications |
| LMX2430SLEX | PLLatinum Dual High Frequency Synthesizer for RF Personal Communications |
| LMX2430TM | PLLatinum Dual High Frequency Synthesizer for RF Personal Communications |
| LMX2430TMX | PLLatinum Dual High Frequency Synthesizer for RF Personal Communications |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX2434TM/NOPB | 功能描述:鎖相環(huán) - PLL 5.0Ghz High Freq Dual Pll RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| LMX2434TMX | 功能描述:鎖相環(huán) - PLL RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| LMX2434TMX/NOPB | 功能描述:鎖相環(huán) - PLL RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| LMX2470 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:2.6 GHz Delta-Sigma Fractional-N PLL with 800 MHz Integer-N PLL |
| LMX2470EVAL | 功能描述:時(shí)鐘和定時(shí)器開發(fā)工具 LMX2470 EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類型:Clock Conditioners 工具用于評估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V |
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