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参数资料
| 型号： | SO-720-LFC-GAA-312.5000MHZ |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | XO, clock |
| 英文描述： | CLOCK SAW OSCILLATOR, 312.5 MHz |
| 封装： | ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 6 PIN |
| 文件页数： | 2/7页 |
| 文件大小： | 130K |
| 代理商： | SO-720-LFC-GAA-312.5000MHZ |
SO-720 SAW Clock Oscillator
Vectron International, 267 Lowell Rd, Hudson NH 03051-4916
Tel: 1-88-VECTRON-1
Website: www.vectron.com
Page 2 of 7
Rev: 28 November 2007
Electrical Performance
Parameter
Symbol
Minimum
Typical
Maximum
Units
Notes
Frequency
Nominal Frequency
Frequency Stability (Ordering Option)
Aging
fN
fSTAB
150
±50, ±100
1000
10
MHz
ppm
1,2
6,8
Supply
Voltage
Current (No Load)
VCC
ICC
2.97
3.3
55
3.63
70
V
mA
2,3
3
Outputs
Mid Level - LVPECL
Swing – LVPECL
Mid Level - LVDS
Swing – LVDS
Current
Rise Time
Fall Time
Symmetry
Jitter (12 kHz – 20 MHz BW) 622.08 MHz
Jitter (50 kHz – 80 MHz BW) 622.08 MHz
IOUT
tR
tF
SYM
φJ
Vcc-1.4
450
VCC-2.4
250
45
Vcc-1.25
600
Vcc-2.3
350
50
0.100
0.120
Vcc-1.0
750
VCC-2.5
450
20
500
55
0.250
0.300
V
mV-pp
V
mV-pp
mA
ps
%
ps-rms
2,3
6
5,6
2,3
6,7
Period Jitter, RMS (622.08 MHz)
φJ
2.5
3.0
ps-rms
9
Period Jitter, Peak - Peak (622.08 MHz)
φJ
16
24
ps pk-pk
9
Operating Temp. (Ordering Option)
TOP
0/70,-20/70 or -40/85
°C
1
Package Size
5.0 x 7.5 x 2.0
mm
1. See Standard Frequencies and Ordering Information (Pg 7).
2. Parameters are tested with production test circuit below (Fig 1).
3. Parameters are tested at ambient temperature with test limits guard-banded for specified operating temperature.
4. Measured as the maximum deviation from the best straight-line fit, per MIL-0-55310.
5. Measured from 20% to 80% of a full output swing (Fig 2).
6. Not tested in production, guaranteed by design, verified at qualification.
7. Integrated across stated bandwidth per GR-253-CORE Issue3.
8. Aging Rate for 10 years (Aging is not part of overall frequency stability budget unless specified at time of order)
9. Broadband Period Jitter measured using Lecroy Wavemaster 8600A 6 GHz Oscilloscope, 250K samples taken.
Figure 1. Test Circuit
Figure 2. 10K LV-PECL Waveform
Vcc - 1.6V
Vcc - 1.3V
Vcc - 1.0V
80%
20%
tR
tF
tA
tB
SYM = 100 x tA / tB
1
2
3
6
5
4
50
50
Test Circuit Notes:
1) To Permit 50
Measurement of Outputs, all DC Inputs are Biased Down 1.3V.
2) All Voltage Sources Contain Bypass Capacitors to Minimize Supply Noise.
3) 50
Terminations are Within Test Equipment.
(-1.3V, +2.0V)
No connect
(-1.3V)
(+2.0V)
COutput
Output
Enable, Disable
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