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參數(shù)資料
| 型號： | LMX2331LSLB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | PLLatinum⑩ Low Power Dual Frequency Synthesizer for RF Personal Communications |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 2000 MHz, QCC24 |
| 封裝： | CSP-24 |
| 文件頁數(shù)： | 3/21頁 |
| 文件大?。?/td> | 496K |
| 代理商： | LMX2331LSLB |
Pin Descriptions
(Continued)
Pin No.
LMX233XLSLB
24-pinCSP
Package
15
Pin No.
LMX233XLTM
20-pin TSSOP
Package
13
Pin
Name
I/O
Description
LE
I
Load enable high impedance CMOS input. When LE goes HIGH, data
stored in the shift registers is loaded into one of the 4 appropriate
latches (control bit dependent).
Ground for IF analog circuitry.
IF prescaler complementary input. A bypass capacitor should be placed
as close as possible to this pin and be connected directly to the ground
plane. Capacitor is optional with some loss of sensitivity.
IF prescaler input. Small signal input from the VCO.
Ground for IF digital, MICROWIRE, F
o
LD, and oscillator circuits.
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
.
Power supply voltage input for IF analog, IF digital, MICROWIRE,
F
o
LD, and oscillator circuits. Input may range from 2.7V to 5.5V. V
CC
2
must equal V
CC
1. Bypass capacitors should be placed as close as
possible to this pin and be connected directly to the ground plane.
No connect.
16
17
14
15
GND
f
IN
IF
—
I
18
19
20
16
17
18
f
IN
IF
GND
D
o
IF
I
—
O
22
23
19
20
V
P
2
V
CC
2
—
—
1, 9, 13, 21
X
NC
—
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| LMX2335UTM | PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications |
| LMX2335U | PLLatinum Ultra Low Power Dual 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 |
|---|---|
| LMX2331LSLBX | 制造商:Texas Instruments 功能描述: |
| LMX2331LSLBX/NOPB | 功能描述:IC FREQ SYNTH DUAL 24-LCSP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時鐘 輸出:時鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* |
| LMX2331LSLDX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinumTM Low Power Dual Frequency Synthesizer for RF Personal Communications |
| LMX2331LSLDX/NOPB | 功能描述:IC FREQ SYNTH DUAL RF COMM 20CSP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時鐘 輸出:時鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* |
| LMX2331LTM | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinumTM Low Power Dual Frequency Synthesizer for RF Personal Communications |
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