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參數(shù)資料
| 型號(hào)： | LMX2502LQX1635 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | PLLatinum⑩ Frequency Synthesizer System with Integrated VCO |
| 中文描述： | 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)： | 5/18頁(yè) |
| 文件大?。?/td> | 184K |
| 代理商： | LMX2502LQX1635 |
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Electrical Characteristics
(V
CC
= V
DD
= 2.8 V, T
A
= 25 C; unless otherwise noted) (Continued)
Symbol
IF PLL
f
Fin
Parameter
Condition
Min
Typ
Max
Units
Operating Frequency
(Note 8)
LMX2502LQ1635
IF_FREQ [1:0] = 10,
Default Value
IF_FREQ [1:0] = 00,
Default Value
IF_FREQ [1:0] = 01,
Default Value
440.76
MHz
LMX2512LQ0967
170.76
MHz
LMX2512LQ1065
367.20
MHz
P
Fin
f
Φ
IF
I
CPout
IF Input Sensitivity
Phase Detector Frequency
Charge Pump Current
-10
0
dBm
kHz
μA
μA
μA
μA
120
100
200
300
800
IF_CUR [1:0] = 00
IF_CUR [1:0] = 01
IF_CUR [1:0] = 10
IF_CUR [1:0] = 11
DIGITAL INTERFACE (DATA, CLK, LE, LD, CE)
V
IH
High-Level Input Voltage
0.8 V
DD
0.8 V
CC
0
0
-10
-10
V
DD
V
CC
0.2 V
DD
0.2 V
CC
10
10
V
V
V
V
μA
μA
pF
V
V
V
V
pF
V
IL
Low-Level Input Voltage
I
IH
I
IL
High-Level Input Current
Low-Level Input Current
Input Capacitance
High-Level Output Voltage
3
V
OH
0.9 V
DD
0.9 V
CC
V
OL
Low-Level Output Voltage
0.1 V
DD
0.1 V
CC
5
Output Capacitance
MICROWIRE INTERFACE TIMING
t
CS
Data to Clock Set Up Time
t
CH
Data to Clock Hold Time
t
CWH
Clock Pulse Width HIGH
t
CWL
Clock Pulse Width LOW
t
ES
Clock to Latch Enable Set Up Time
t
EW
Latch Enable Pulse Width
50
10
50
50
50
50
-
-
-
-
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
Note 4:
In power down mode, set DATA, CLK, and LE pins to 0 V (GND).
Note 5:
The reference frequency must also be programmed using the OSC_FREQ control bit. For other reference frequencies, please contact National
Semiconductor.
Note 6:
For other frequency ranges, please contact National Semiconductor.
Note 7:
Lock time is defined as the time difference between the beginning of the frequency transition and the point at which the frequency remains within +/- 1 kHz
of the final frequency.
Note 8:
Frequencies other that the default value can be programmed using Words R4 and R5. See Programming Description for details.
L
www.national.com
5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX2505 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinu Dual Frequency Synthesizer System with Integrated VCOs |
| LMX25051321EVAL/NOPB | 功能描述:EVALUATION BOARD FOR LMX25051321 RoHS:是 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
| LMX2505LQ1321 | 制造商:Texas Instruments 功能描述:PLL VCO CDMA SMD 2505 LLP-28 |
| LMX2505LQ1321/NOPB | 功能描述:IC FREQ SYNTH DUAL W/VCO 28LLP 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:* |
| LMX2505LQX1321 | 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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