CFPS-112, -113, -114, -115
ISSUE 3; 20 jAnUARy 2009 - RoHS 2002/95/EC
Description
SMD CLOCK OSCILLATORS
Outline (mm)
2.5±0.1
2.0±0.1
Pad Connections
1. Enable/Disable
2. GND
3. Output
4. +Vs
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Low phase noise surface mount oscillators in a ceramic
package with a hermetically sealed metal lid, available in a
range of voltages
2.5 x 2mm
26 to 44MHz
Tri-state CMOS
0.68
0.95
1 2
4 3
0.78
Package Outline
CLOCK
OSCILLATORS
Frequency Range
Output Compatibility & Load
Drive Capability 15pF max
±30ppm, ±50ppm, ±100ppm (inclusive of supply voltage and
output load variations over the operating temperature range)
–20 to 70°C ( CFPS-112, -113, -114, -115 )
–40 to 85°C ( CFPS-112I, -113I, -114I, 115I )
0.80±0.1
Solder pad layout
0.80
0.90
0.95
Frequency Stabilities
0.65
Operating Temperature Ranges
Output Waveform
Storage Temperature Range
–55 to 100°C
90%Vs
tf
0.65
tr
+Vs
Tri-state Operation
Logic ‘1’ (>80%Vs) to pad 1 enables oscillator output
Logic ‘0’ (<20% Vs) to pad 1 disables oscillator output; when
disabled the oscillator output goes to the high impedance
state
No connection to pad 1 enables oscillator output
1.8V CFPS-112
2.5V CFPS-113
3.0V CFPS-114
3.3V CFPS-115
dBc/Hz
Frequency
27MHz
40MHz
10Hz
–75
–80
100Hz
–111
–116
1kHz
–146
–145
10kHz
–155
–157
100kHz
–157
–159
50%Vs
1/2Vs
10%Vs
0V
t
Duty cycle = t x 100(%)
T
T
Supply Voltage
Phase noise - Examples:
Test Circuit
A
+Vs
Power
Supply
V
+Vs
Oscillator
3
4
2
1
0.1µF
Frequency
Counter
Environmental
Drop: natural drop, 3 times, from 100cm onto a hard
wooden plate (30mm thick)
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Oscilloscope
15pF *
Vibration: 10 to 55Hz, 1.5mm displacement (10Hz-36Hz),
4G (36Hz-55Hz) sweep time 1min/oct, duration 2hrs for
each X, Y & Z axes
Model Number
Bulk or Tape and Reel
Marking Includes
Packaging
Minimum Order Information Required
* Inclusive of jigging and equipment capacitance
Frequency + Model Number + Operating Temperature
Code + Frequency Stability
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
Electrical Specifications - maximum limiting values
Frequency Range
26.0 to 44.0MHz
Frequency Stability
±30ppm, ±50ppm,
±100ppm
Supply Voltage Supply Current Rise Time (tr)
(10-90%)
1.8V ±5%
2.5V ±5%
3.0V ±5%
3.3V ±5%
Ordering Example
Frequency
Model No.
Operating Temperature Code: I = –40 to 85°C; not applicable for –10 to 70°C
Frequency Stability: H = ±30ppm, B = ±50ppm, C = ±100ppm
3.0mA
5.5mA
6.5mA
7.0mA
10ns
Fall Time (tf)
(90-10%)
10ns
Duty Cycle
45/55%
40/60%
45/55%
Model Number
CFPS-112
CFPS-112I
CFPS-113
CFPS-113I
CFPS-114
CFPS-114I
CLOCK
OSCILLATORS
CFPS-115
CFPS-115I
30.00kHz CFPS-115 I C
Please note that the rise and fall times listed are the maximum values we specify to cover various frequency breaks. In practice the actual values are generally
lower depending upon the spot frequency chosen. For typical values please contact our sales office.
Tape (mm)
1.75±0.1
3.5±0.05
2.7±0.05
Ø1.55±0.05
Reel (mm)
9.0±1.0
120°(3 equal)
Ø13.0±0.2
2.0±0.05
1.15±0.05
4.0±0.1
8.0±0.2
0.25±0.05
2.25±0.05
Ø21.0±0.8
2.0±0.5
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
Ø60.0
-0
Ø180
+0
-3
+1
嵌入式系统
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