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參數(shù)資料
| 型號(hào)： | LMX2522LQX1635/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 19.68 MHz, QCC28 |
| 封裝： | 5 X 5 MM, 0.75 MM HEIGHT, LLP-28 |
| 文件頁(yè)數(shù)： | 11/18頁(yè) |
| 文件大小： | 189K |
| 代理商： | LMX2522LQX1635/NOPB |
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Connection Diagram
28-Pin LLP (LQ) Package
20067202
NOTE: Analog ground connected through exposed die attached pad.
Pin Descriptions
Pin Number
Name
I/O
Description
1
CPout
O
IF PLL charge pump output
2
NC
—
Do not connect to any node on printed circuit board.
3
NC
—
Do not connect to any node on printed circuit board.
4V
DD
—
Supply voltage for IF analog circuitry
5
LE
I
MICROWIRE Latch Enable
6
CLK
I
MICROWIRE Clock
7
DATA
I
MICROWIRE Data
8V
DD
—
Supply voltage for VCOs
9
NC
—
Do not connect to any node on printed circuit board.
10
NC
—
Do not connect to any node on printed circuit board.
11
NC
—
Do not connect to any node on printed circuit board.
12
NC
—
Do not connect to any node on printed circuit board.
13
V
DD
—
Supply voltage for VCOs
14
V
DD
—
Supply voltage for VCOs output buffer
15
RFout
O
Buffered VCO output
16
V
CC
—
Supply voltage for RF prescaler
17
V
CC
—
Supply voltage for charge pump
18
V
CC
—
Supply voltage for RF digital circuitry
19
LD
O
Lock Detect
20
CE
I
Chip Enable control pin
21
GND
—
Ground for digital circuitry
22
OSCin
I
Reference frequency input
23
V
CC
—
Supply voltage for reference input buffer
24
GND
—
Ground for digital circuitry
25
V
CC
—
Supply voltage for IF digital circuitry
26
Fin
I
IF buffer/prescaler input
27
V
CC
—
Supply voltage for IF buffer/prescaler
28
NC
—
Do not connect to any node on printed circuit board.
LMX2522/LMX2532
www.national.com
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX2525 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum Dual Frequency Synthesizer System with Integrated VCOs |
| LMX2525LQ1321 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:IC PLL + VCO SMD 2525 LLP-24 |
| LMX2525LQ1321/NOPB | 功能描述:IC FREQ SYNTH DUAL W/VC0 24-LLP RoHS:是 類別:RF/IF 和 RFID >> RF 其它 IC 和模塊 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:100 系列:* |
| LMX2525LQX1321 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum Dual Frequency Synthesizer System with Integrated VCOs |
| LMX2525LQX1321/NOPB | 功能描述:IC FREQ SYNTH DUAL VCO 24-LLP RoHS:是 類別:RF/IF 和 RFID >> RF 其它 IC 和模塊 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:100 系列:* |
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