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參數資料
| 型號： | FREQ1CFPS-37IB |
| 廠商： | IQD FREQUENCY PRODUCTS LTD |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 1.8 MHz - 50 MHz, CMOS OUTPUT |
| 封裝： | ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 4 PIN |
| 文件頁數： | 1/2頁 |
| 文件大小： | 454K |
| 代理商： | FREQ1CFPS-37IB |
CLOCK
OSCILLA
TORS
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
CFPS-37 SMD CLOCK OSCILLATORS
ISSUE 6; 21 jAnUARy 2009 - RoHS 2002/95/EC
Description
2.5V surface mount oscillator in a ceramic package, with a
hermetically sealed metal lid
Package Outline
5 x 3.2mm
Frequency Range
1.8 to 125MHz
Output Compatibility & Load
Tri-state CMOS
Drive Capability 15pF max
Frequency Stabilities
±25ppm, ±50ppm, ±100ppm
(inclusive of supply voltage and output load variations
over the operating temperature range)
Operating Temperature Ranges
–10 to 70°C (CFPS-37)
–40 to 85°C (CFPS-37I)
Storage Temperature Range
–55 to 125°C
Tri-state Operation
Logic ‘1’ (>70% Vs) to pad 1 enables oscillator output
Logic ‘0’ (<30% Vs) to pad 1 disables oscillator output
and oscillator output goes to the high impedance state
No connection to pad 1 enables oscillator output
Standby Current
10A max
Environmental
Shock: MIL-STD-202F, Method 213B (1000G, 0.5ms)
Vibration: MIL-STD-202F, Method 204D, Test Condition
D20G (10-2000Hz) 4 hrs in X, Y & Z axes (total 12 hrs)
Marking Includes
Model Number + Frequency
Packaging
Bulk or Tape and Reel
Minimum Order Information Required
Frequency + Model Number + Operating Temperature
Code (if applicable) + Frequency Stability
Outline (mm)
1.0
3.2±0.2
1.3
max
0.15
5.0±0.2
Solder pad layout
Pad Connections
1. Enable/Disable
2. GND
3. Output
4. +Vs
1
3
4
2
1.5
1.0
1.4
1.1
Output Waveform
tr
tf
t
T
90%Vs
10%Vs
50%Vs
Duty cycle = t x 100(%)
T
Test Circuit
Oscilloscope
Oscillator
2
1
Frequency
Counter
A
Power
Supply
V
15pF *
* Inclusive of jigging & equipment capacitance
+Vs
3
4
0.1 F
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