325LB-20.000 [CTS]
Oscillator, 1.5MHz Min, 125MHz Max, 20MHz Nom, CMOS;
| 型号： | 325LB-20.000 |
| 厂家： | 
CTS |
| 描述： | Oscillator, 1.5MHz Min, 125MHz Max, 20MHz Nom, CMOS |
| 文件： | 总2页 (文件大小：56K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Rev. X01
Preliminary Specification
¨ Sealed Fundamental AT Cut Crystal
¨ Low Phase Jitter: < 1 pSec
¨ +3.3Vdc or +5.0Vdc Operation
¨ CMOS Compatible Output Stage
¨ Output Enable Function
Model 325
“FR4” Series
Low Cost CMOS VCXO
¨ Guaranteed Minimum Pull Range
Electrical Characteristics
Parameter
Sym
Conditions
Min
Typical
Max
Unit
Power
Requirements
Power Supply
Vcc
3.135
4.75
3.30
5.0
15 (3.3Vdc)
20 (5.0Vdc)
3.465
5.25
Vdc
Vdc
mA
mA
± 5%
±5%
Vcc=Max.
No Load
325L
325S
Supply Current
Icc
Frequency
Stabilities
Center
Frequency
fnom
1.5
19.44
20.0
44.736
± 25
125
MHz
ppm
Freq. vs. Temp.
Df/DTemp
Freq. vs. Voltage
Freq. vs. Load
Freq. vs Time
(Aging)
Vcc ±5%
± 10% Variation
10 years
± 1
± 1
±10
ppm
ppm
ppm
Df/DVcc
Df/DRL
Df/DTime
Deviation
Characteristics
Control Voltage
VC
Df
3.3V “L” Version
5.0V “S” Version
+25°C at time of
Shipment
Best Straight Line
Fit
Under all
conditions for the
life of the part (Ref.
0.0
0.5
3.3
4.5
V
V
ppm
Frequency
Deviation
Linearity
± 100
Lin
APR
-10
2
10
%
Absolute Pull
Range
±50
ppm
to fnom
)
Input Impedance
Bandwidth
Zin
10
10
KW
KHz
-3db Point
Waveform
Parameters
Symmetry
Amplitude
Rise/Fall Times
Load
Sym
Vo
tr, tf
RL
@ 50% Level
Nominal Load
10% to 90%
45
Vcc-0.2
50
55
0.2
5
%
V
nSec
W
Output to Ground
10KW ½½ 15pF
Phase Jitter
12KHz to 20MHz
Bandwidth
<1
pSec RMS
¨ ¨ ¨ CTS Frequency Products ¨ 400 W. North Street ¨ Carlisle, PA 17013 ¨ 717-243-5929 ¨ ¨ ¨
Rev. X01
Preliminary Specification
Model 325
“FR4” Series
Low Cost CMOS VCXO
Environmental / Mechanical Specifications
Storage Temperature:
Reflow Soldering:
Shock:
-55° to +125°C
Enable Truth Table
will withstand 240°C for 20 Seconds
1000 G’s, 5 mSec. Pulse (3 Shocks/Axis)
20 G’s RMS, 20 to 2000 Hz
Pin 2
“1”
Pin 4
Output
Vibration:
“0”
Open
High Imp.
Output
Case:
Seal:
High Temp FR-4 Base
Non-Hermetic
Ordering Information
Model 325
-- ___.________
Example: 325SB-19.440
Operating Temp. Range
A = 0° to +70°C
Frequency in MHz
Supply Voltage
L = +3.3Vdc
S = +5.0Vdc
B = -40° to +85°C
¨ ¨ ¨ CTS Frequency Products ¨ 400 W. North Street ¨ Carlisle, PA 17013 ¨ 717-243-5929 ¨ ¨ ¨
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