參數(shù)資料
型號(hào): LMX2331LMDA
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2000 MHz, UUC
封裝: DIE
文件頁(yè)數(shù): 23/30頁(yè)
文件大?。?/td> 578K
代理商: LMX2331LMDA
Pin Descriptions (Continued)
Pin No.
LMX233XLSLB
24-pinCSP
Package
Pin No.
LMX233XLTM
20-pin TSSOP
Package
Pin
Name
I/O
Description
15
13
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).
16
14
GND
Ground for IF analog circuitry.
17
15
f
IN IF
I
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.
18
16
f
IN IF
I
IF prescaler input. Small signal input from the VCO.
19
17
GND
Ground for IF digital, MICROWIRE, F
oLD, and oscillator circuits.
20
18
D
o IF
O
IF charge pump output. For connection to a loop filter for driving the
input of an external VCO.
22
19
V
P2
Power Supply for IF charge pump. Must be
≥ V
CC.
23
20
V
CC2
Power supply voltage input for IF analog, IF digital, MICROWIRE,
F
oLD, and oscillator circuits. Input may range from 2.7V to 5.5V. VCC2
must equal V
CC1. Bypass capacitors should be placed as close as
possible to this pin and be connected directly to the ground plane.
1, 9, 13, 21
X
NC
No connect.
www.national.com
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相關(guān)PDF資料
PDF描述
LMX2332UTMX/NOPB PLL FREQUENCY SYNTHESIZER, 1200 MHz, PDSO20
LMX2332UTM/NOPB PLL FREQUENCY SYNTHESIZER, 1200 MHz, PDSO20
LMX2331UTM/NOPB PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO20
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LMX2330UTMX/NOPB PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMX2331LSLB 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum⑩ Low Power Dual Frequency Synthesizer for RF Personal Communications
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(shí)鐘/計(jì)時(shí) - 時(shí)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(shí)鐘 輸出:時(shí)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(wú)/無(wú) 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(shí)鐘/計(jì)時(shí) - 時(shí)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(shí)鐘 輸出:時(shí)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(wú)/無(wú) 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:*