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參數(shù)資料
| 型號： | VTB4 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | CMOS TCXO |
| 中文描述： | 溫補的CMOS |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 85K |
| 代理商： | VTB4 |
Vectron International
267 Lowell Rd, Hudson, NH 03051
Tel: 1-88-VECTRON-1
http://www.vectron.com
1/3
Customer Specific Product Data Sheet
VTB4-1000-20M000
CMOS TCXO
Pin Information
Table 1. Pin Function
Pin
Symbol
1
7
8
Output
14
Function
No Connect
Case Ground
CMOS Output waveform
Power Supply Voltage (3.3 V
±
5%)
NC
GND
V
DD
Performance Characteristics
Table 2. Electrical Performance
Parameter
Nominal Output Frequency
Symbol
Minimum
-
Typical
20.000
Maximum
-
Units
MHz
f
0
Supply Voltage
1
V
DD
3.14
3.3
3.47
V
Operating Temperature Range
T
OP
0
+70
°C
Storage Temperature
T
stor
-40
+85
°C
Supply Current
I
DD
V
OH
V
OL
I
OH
I
OL
20
mA
Output Voltage Levels (from V
DD
)
High
Low
Output Current Levels
High
Low
2.2
0.40
V
-4.0
+4.0
mA
Output Rise/Fall Time
2
t
R
/t
F
5
ns
Output Duty Cycle or Symmetry
3
D
40
60
%
Stability over operating temperature/initial
tolerance/ 15 years aging/ power supply and load
variation
deltaf/f
O
-4.6
+4.6
ppm
Jitter, 10Hz to 20MHz, RMS
2
5
pS
Jitter, 12kHz to 20MHz, RMS
0.5
1
pS
Phase Noise
10 Hz
100 Hz
1kHz
10kHz
100kHz
-70
-100
-125
-135
-140
dBc/Hz
Start Up Time
T
su
10
mS
1. A 0.1
μ
F low frequency ceramic bypass capacitor in parallel with a 0.01
μ
F high frequency ceramic capacitor is
recommended.
2. Figure 1 defines these parameters. Figure 2 illustrates the operating conditions.
3. Duty cycle is defined as (on time/period) per Figure 1.
4. Measured using a Wavecrest DTS2075 or equivalent.
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