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參數(shù)資料
| 型號： | VDUNCA-77.760MHZ |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | XO, clock |
| 英文描述： | VCXO, CLOCK, 77.76 MHz, CMOS/TTL OUTPUT |
| 封裝： | CERAMIC, LCC-6 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 62K |
| 代理商： | VDUNCA-77.760MHZ |
10
Vectron International 267 Lowell Road, Hudson, NH 03051 Tel: 1-88-VECTRON-1 Web: www.vectron.com
Voltage Controlled Crystal Oscillators (VCXO’s)
V-Type
Performance Characteristics
Description:
The V-Type is a High Volume, High
Reliability CMOS VCXO. It is ASIC based and
available in a SMD ceramic package.
Features:
Output Frequencies to 77.760 MHz
5.0 or 3.3 volt operation
Tri-State Output
Jitter Performance <6 ps rms (output freq >12MHz)
VCXO with Switchable TTL/CMOS Output
Robust 6 contact Leadless Ceramic Chip Carrier
Absolute Pull Range Performance to 100 ppm
Commercial and Industrial Temperature Range
EIA Compatible Tape and Reel Packaging
Linearity available to + 10%
Frequency
fo
1.024
77.76
MHz
Supply Voltage (+3.3 V)
VDD
2.97
3.3
3.63
V
(+5.0 V)
4.5
5.0
5.5
Supply Current
IDD
65
mA
Output Logic Levels (VDD =4.5V)
Output Logic High
VOH
0.8*VDD
--
V
Output Logic Low
VOL
--
0.1* VDD
V
Transition Times
Rise Time
tR
5ns
Fall Time
tF
5ns
Symmetry or Duty Cycle
SYM
45
50
55
%
Operating temperature (ordering option)
0/70 or –40/85
°C
Test Conditions for APR (+5V option)
VC
0.5
4.5
V
Test Conditions for APR (+3.3V option)
VC
0.3
3.0
V
+/-50
Absolute Pull Range (ordering option)
APR
+/- 80
ppm
+/-100
Gain Transfer
Positive
ppm/V
Control Voltage Leakage Current
IVCXO
±1
uA
Control Voltage Bandwidth (-3dB)
BW
10
kHz
Package Size
5.0 x 7.5 x 2.1
mm
Parameter
Symbol Minimum
Typical
Maximum Units
8798_AA's Vectron
05/30/02
3:11 PM
Page 10
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