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参数资料
| 型号： | LMX2331LMDA |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 2000 MHz, UUC |
| 封装： | DIE |
| 文件页数： | 12/30页 |
| 文件大小： | 578K |
| 代理商： | LMX2331LMDA |
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Connection Diagrams
Pin Descriptions
Pin No.
LMX233XLSLB
24-pinCSP
Package
Pin No.
LMX233XLTM
20-pin TSSOP
Package
Pin
Name
I/O
Description
24
1
V
CC1
—
Power supply voltage input for RF analog and RF digital circuits. Input
may range from 2.7V to 5.5V. V
CC1 must equal VCC2. Bypass
capacitors should be placed as close as possible to this pin and be
connected directly to the ground plane.
22
V
P1
—
Power Supply for RF charge pump. Must be
≥ V
CC.
33
D
o RF
O
Internal charge pump output. For connection to a loop filter for driving
the input of an external VCO.
4
GND
—
Ground for RF digital circuitry.
55
f
IN RF
I
RF prescaler input. Small signal input from the VCO.
66
f
IN RF
I
RF 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.
7
GND
—
Ground for RF analog circuitry.
8
OSC
in
I
Oscillator input. The input has a V
CC/2 input threshold and can be
driven from an external CMOS or TTL logic gate.
10
9
GND
—
Ground for IF digital, MICROWIRE,F
oLD, and oscillator circuits.
11
10
F
oLD
O
Multiplexed output of the RF/IF programmable or reference dividers,
RF/IF lock detect signals and Fastlock mode. CMOS output
(see
Programmable Modes).
12
11
Clock
I
High impedance CMOS Clock input. Data for the various counters is
clocked in on the rising edge, into the 22-bit shift register.
14
12
Data
I
Binary serial data input. Data entered MSB first. The last two bits are
the control bits. High impedance CMOS input.
Chip Scale Package (SLB)
(Top View)
DS012806-39
Order Number LMX2330LSLB, LMX2331LSLB or
LMX2332LSLB
NS Package Number SLB24A
Thin Shrink Small Outline Package (TM)
(Top View)
DS012806-2
Order Number LMX2330LTM, LMX2331LTM or
LMX2332LTM
NS Package Number MTC20
www.national.com
2
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| LMX2331UTM/NOPB | PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO20 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LMX2331LSLB | 制造商:NSC 制造商全称: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 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:* |
| LMX2331LSLDX | 制造商:NSC 制造商全称: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 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:* |
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