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參數(shù)資料
| 型號： | LMX2512LQX0967/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 |
| 文件頁數(shù)： | 11/18頁 |
| 文件大?。?/td> | 184K |
| 代理商： | LMX2512LQX0967/NOPB |
Connection Diagram
28-Pin LLP (LQ) Package
20068002
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 the printed circuit board.
3
NC
–
Do not connect to any node on the 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 VCO
9
NC
–
Do not connect to any node on the printed circuit board.
10
NC
–
Do not connect to any node on the printed circuit board.
11
NC
–
Do not connect to any node on the printed circuit board.
12
NC
–
Do not connect to any node on the printed circuit board.
13
V
DD
–
Supply voltage for VCO
14
V
DD
–
Supply voltage for VCO 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 the printed circuit board.
LMX2502/LMX2512
www.national.com
2
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| LMX2512LQX1065 | 功能描述:IC SYNTHESIZER PLL VCO 28-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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