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参数资料
| 型号： | LFFREQ1CFPV-44IB |
| 厂商： | IQD FREQUENCY PRODUCTS LTD |
| 元件分类： | VCXO, clock |
| 英文描述： | VCXO, CLOCK, 1 MHz - 18 MHz, HCMOS OUTPUT |
| 文件页数： | 1/2页 |
| 文件大小： | 43K |
| 代理商： | LFFREQ1CFPV-44IB |
SURF
ACE
MOUNT
VCXOs
CFPV-41, -42, -43, -44
ISSUE 3; 18 OCTOBER 2004
Delivery Options
s
Please contact our sales office for current leadtimes
Description
s
CFPV-41, -42, -43, -44 are surface mount voltage controlled
crystal oscillators (VCXOs) providing a high degree of
frequency stability over a wide temperature range. They are
prticularly suited to applications where space is at a
premium
Package Outline
s
7.5 x 5.0 x 1.9mm SMD (surface mount device)
Output Compatibility
s
Tri-state HCMOS, Load 15pF max
Standard Frequency Stabilities
s
±25ppm, ±50ppm, ±100ppm (inclusive of supply voltage &
output load variations over the operating temperature
range)
Operating Temperature Ranges
s
–10 to 70°C
s
–40 to +85°C
Storage Temperature Range
s
–55 to 125°C
Voltage Control ( pad 1 )
s
2.5V±2.0V (CFPV-41, -43)
s
1.65V±1.5V (CFPV-42, -44)
Linearity and Modulation Bandwidth
s
<±10%
Modulation Bandwidth
s
>20kHz
Tri-State Operation
s
Logic ‘0’ to pad 2 disables oscillator output; when disabled
oscillator output goes to the high impedance state
s
No connection ot Logic ‘1’ to pad 2 enables oscillator
Solder Conditions
s
For typical soldering conditions, please see the relevant
pages in Applications Notes
Marking
s
Model number, Operating Temperature Code (if applicable),
Frequency Stability Code, Frequency
Minimum Order Information Required
s
Frequency + Operating Temperature Code (if applicable) +
Model Number + Frequency Stability
Outline in mm
Output Waveform - HCMOS
t
90%Vs
10%Vs
tr
tf
T
Duty cycle = t x 100(%)
T
50%Vs
VoL
VoH
Test Circuit
+Vs
15pF*
Oscillator
V
2.0k
10.0k
Oscilloscope
Frequency counter
A
*Inclusive of jigging & equipment capacitance
0.1
F
1
2
4
3
6
5
Solder pad layout
1.8
2.0
5.08
2.54
Pad Connections
1. Voltage Control
2. Enable/Disable
3. GND
4. Output
5. N/C
6. +Vs
1.
4±
0.1
5.0
m
a
x
7.5 max
1.4
2.6
5.08
12
3
5
64
4.2
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