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參數(shù)資料
| 型號： | ABV0252SC |
| 廠商： | ABRACON CORP |
| 元件分類： | VCXO, clock |
| 英文描述： | VCXO, CLOCK, 10 MHz - 20 MHz, CMOS OUTPUT |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 53K |
| 代理商： | ABV0252SC |
ABV0252
Low Phase Noise Divider by 2 VCXO (10MHz to 20MHz)
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 3
3. AC Electrical Specifications
PARAMETERS
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
Input Crystal Frequency
20
52
MHz
Output Clock Rise/Fall Time
(Standard Drive)
0.3V ~ 3.0V with 15 pF load
2.4
Output Clock Rise/Fall Time
(High Drive)
0.3V ~ 3.0V with 15 pF load
1.2
ns
Output Clock Duty Cycle
Measured @ 50% VDD
45
50
55
%
4. Voltage Control Crystal Oscillator
PARAMETERS
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
VCXO Stabilization Time *
TVCXOSTB
From power valid
10
ms
VCXO Tuning Range
FXIN = 20 - 40MHz;
XTAL C0/C1 < 250
0V
≤ VCON ≤ 3.3V
500
ppm
CLK output pullability
VCON=1.65V
±1.65V
±200
ppm
VCXO Tuning Characteristic
150
ppm/V
Pull range linearity
10
%
VCON input impedance
80
k
VCON modulation BW
0V
≤ VCON ≤ 3.3V, -3dB
25
kHz
Note: Parameters denoted with an asterisk (*) represent nominal characterization data and are not production tested to any specific limits.
5. Jitter Specifications
PARAMETERS
CONDITIONS
MIN.
TYP.
MAX.
UNITS
Period jitter RMS
20MHz
2.5
ps
Period jitter peak-to-peak
20MHz
20
ps
Integrated jitter RMS
Integrated 12 kHz to 20 MHz at 20MHz
1
ps
6. Phase Noise Specifications
PARAMETERS
FREQUENCY
@10Hz
@100Hz
@1kHz
@10kHz
@100kHz
UNITS
Phase Noise relative
to carrier
20MHz
-65
-90
-120
-140
-147
dBc/Hz
Note: Phase Noise at VCON = 0V – to be measured
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