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20.0MHZCFPT-9060HU4C

产品描述TCVCXO, CLOCK, 20 MHz, ACMOS OUTPUT, ROHS COMPLIANT, SMD, 6 PIN
产品类别无源元件    振荡器   
文件大小473KB,共3页
制造商IQD Frequency Products
标准
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20.0MHZCFPT-9060HU4C概述

TCVCXO, CLOCK, 20 MHz, ACMOS OUTPUT, ROHS COMPLIANT, SMD, 6 PIN

20.0MHZCFPT-9060HU4C规格参数

参数名称属性值
是否无铅不含铅
是否Rohs认证符合
Reach Compliance Codecompli
其他特性TRI-STATE; ENABLE/DISABLE FUNCTION; TAPE AND REEL; BULK
老化1 PPM/FIRST YEAR
最大控制电压4.2 V
最小控制电压
最长下降时间3 ns
频率调整-机械NO
频率偏移/牵引率50 ppm
频率稳定性2.5%
安装特点SURFACE MOUNT
标称工作频率20 MHz
最高工作温度75 °C
最低工作温度-30 °C
振荡器类型ACMOS
输出负载15 pF
物理尺寸14.7mm x 9.2mm x 6.2mm
最长上升时间3 ns
最大供电电压3.63 V
最小供电电压2.97 V
标称供电电压3.3 V
表面贴装YES
最大对称度45/55 %
Base Number Matches1

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CFPT-9050 SMD TCVCXO
iSSUE 8; 1 NOVEMBER 2008 - RoHS 2002/95/EC
Supply Current
Description
0.3ppm TCXO manufactured for us by Rakon utilising their
Pluto™ ASIC technology. Its wide frequency range, operating
temperature range and drive capability coupled with high
stability and linear frequency pulling make it the ideal
reference oscillator. Its ability to function down to a supply
voltage of 2.4V and low power consumption makes it suitable
for mobile applications
14.7 x 9.2mm
9.6, 10, 12.8, 19.44, 20, 38.88, 49.152, 51.84MHz
HCMOS 15pF max
ACMOS 50pF max
Sinewave 10k
W
// 10pF, AC-coupled
Clipped sinewave 10k
W
// 10pF, AC-coupled
Temperature: see table
Typical Supply Voltage Variation ± 10% < ± 0.2 ppm*
Typical Load Coefficient 15pF ± 5pF < ± 0.2 ppm*
*Depending on frequency and output type
HCMOS Typically:
1+ Frequency(MHz)*Supply(V)*{Load(pF)+ 15}*10
–3
mA
eg. 20MHz, 5V, 15pF ≈ 4mA
ACMOS Typically:
1+ Frequency(MHz)*Supply(V)*{Load(pF)+ 23}*10
–3
mA
Sinewave, 6 to 12 mA depending on frequency
Clipped Sinewave, Typically:
1+ Frequency(MHz)*1.2*{Load(pF)+ 30}*10
–3
mA
± 1ppm maximum in first year
± 3ppm maximum for 10 years
± 1ppm maximum after reflow
Optional reference voltage output on Pad 5, suitable for
potentiometer supply or DAC reference.
1. No output (Standard option)
2. 2.2V, for Min. Vs > 2.4V
3. 2.7V, for Min. Vs > 3.0V
4. 4.2V, for Min. Vs > 4.5V
Maximum load current (mA) = Vref/10
Package Outline
Ageing
Standard Frequencies
Output Compatibility & Load
Reference Voltage, Vref (HCMOS/ACMOS only)
Frequency Stability
Frequency Adjustment
Three options with external Voltage Control applied to Pad 1:
For manual frequency adjustment (HCMOS/ACMOS output
only) connect an external 50kW potentiometer between Pad 5
(Reference Voltage) and Pad 3 (GND) with wiper connected to
Pad 1 (Voltage Control). Please specify reference voltage as a
part of the ordering code.
TCXOs
A - Ageing adjustment: > ± 5ppm (Standard Option)
B - No frequency adjustment. Initial calibration @ 25°C
< ± 0.5 ppm
C - High Pulling ±10ppm to ±50ppm may be available
depending on specification options. Contact our sales office
Linearity <1% (positive slope)
Input resistance >100k
W
Modulation bandwidth >2kHz
Standard control voltage ranges:
Without reference voltage - Vs = 5.0V 2.5V ± 2V
Without reference voltage - Vs = 3.3V 1.65V ± 1V
With reference voltage - Vc = 0V to Vref
–55 to 125°C
Logic ‘1’ (>60%Vs) to Pad 2 enables output
Logic ‘0’ (<20%Vs) to Pad 2 disables output
When at logic ‘0’ the output stage is disabled for all output
options, but the oscillator and compensation circuit are still
active (Current consumption < 1mA)
Standard 3.3V, 5.0V (see table)
Supply voltages in the range 2.4 to 6.0V available to order,
please contact our sales office
Note: Please contact our sales office if a reference voltage is
required in combination with sine or clipped sinewave output
Environmental
Vibration: IEC 60068-2-6 Test Fc Procedure B4, 10-60Hz
1.5mm displacement, 60 –2000Hz at 98.1 ms
–2
, 30 minutes
in each of three mutually perpendicular planes at 1 octave
per minute
Shock: IEC 60068-2-27 Test Ea, 980ms
–2
acceleration for
6ms duration, 3 shocks in each direction along three mutually
perpendicular planes
Solderabiltiy: MIL-STD-202, Method 208, Category 3
Factory Code + Part Number (E and four digits) + Frequency
(MHz) + Pad 1 / Static sensitivity identifier (Triangle) + Date
code
Bulk or Tape & Reel
Frequency + Model Number + Frequency Stability vs
Operating Temperature Range Code + Reference Voltage
Code + Frequency Adjustment Code
Marking includes
Storage Temperature Range
Tri-State Operation
Packaging
Minimum Order information Required
Supply Voltage
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
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