参数资料
型号: LMX2331USLEX
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2000 MHz, PQCC24
封装: PLASTIC, UTCSP-24
文件页数: 23/49页
文件大小: 4568K
代理商: LMX2331USLEX
Connection Diagrams
Chip Scale Package (SLB)
(Top View)
Thin Shrink Small Outline Package (TM)
(Top View)
10136639
10136602
Ultra Thin Chip Scale Package (SLE)
(Top View)
10136696
Pin Descriptions
Pin
Name
Pin No.
20-Pin UTCSP
Pin No.
24-Pin CSP
Pin No.
20-Pin TSSOP
I/O
Description
V
CC
20
24
1
Power supply bias for the RF PLL analog and digital circuits.
V
CC may range from 2.7V to 5.5V. Bypass capacitors should be
placed as close as possible to this pin and be connected directly
to the ground plane.
V
P RF
1
2
RF PLL charge pump power supply. Must be
≥ V
CC.
D
o RF
2
3
O
RF PLL charge pump output. The output is connected to the
external loop filter, which drives the input of the VCO.
GND
3
4
Ground for the RF PLL digital circuitry.
f
IN RF
4
5
I
RF PLL prescaler input. Small signal input from the VCO.
LMX2330U/LMX2331U/LMX2332U
www.national.com
3
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PDF描述
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相关代理商/技术参数
参数描述
LMX2331USLEX/NOPB 功能描述:IC FREQ SYNTH DUAL 20LAMUCSP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器,PLL,频率合成器 系列:PLLatinum™ 标准包装:39 系列:- 类型:* PLL:带旁路 输入:时钟 输出:时钟 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 频率 - 最大:170MHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:*
LMX2331UTM 功能描述:IC FREQ SYNTHESIZER DUAL 20TSSOP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器,PLL,频率合成器 系列:PLLatinum™ 标准包装:39 系列:- 类型:* PLL:带旁路 输入:时钟 输出:时钟 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 频率 - 最大:170MHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:*
LMX2331UTMX 制造商:NSC 制造商全称:National Semiconductor 功能描述:PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2332 WAF 制造商:Texas Instruments 功能描述:
LMX2332A 制造商:NSC 制造商全称:National Semiconductor 功能描述:PLLatinum⑩ Dual Frequency Synthesizer for RF Personal Communications