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參數(shù)資料
| 型號： | VDSGLD_38.88 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | TRANS PREBIASED PNP 200MW SOT23 |
| 中文描述： | 壓控晶體振蕩器 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 84K |
| 代理商： | VDSGLD_38.88 |
Vectron International
267 Lowell Road, Hudson, NH 03051
Tel: 1-88-VECTRON-1
http://www.vectron.com
1/2
Product Data Sheet
VDSGLD @ 38.88 MHz
Voltage Controlled Crystal Oscillator
Pin Information
Table 1. Pin Function
Pin
Symbol
Function
1
V
C
2
Tri-State
TTL logic high enables output waveform
3
GND
Case Ground
4
Output
Output waveform
5
TTL/CMOS
TTL logic high or no connection for TTL optimized symmetry
6
V
cc
Control Voltage
TTL logic low disables output
TTL logic low for CMOS optimized symmetry
Power Supply Voltage (3.3 V
±
10%)
Performance Characteristics
Table 2. Electrical Performance
Parameter
Nominal Output Frequency
Symbol
Minimum
-
Typical
38.88
Maximum
-
Units
MHz
f
0
Supply Voltage
1
V
DD
2.97
3.3
3.63
V
Operating Temperature Range
T
O
-40
85
°C
Supply Current
I
DD
20
mA
Output Voltage Levels
Output Logic High
Output Logic Low
V
OH
V
OL
T
R
/T
F
D
0.9*V
DD
0.1*V
DD
V
Output Rise/Fall Time
2
5
nS
Output Duty Cycle or Symmetry
3
45
50
55
%
Absolute Pull Range, Vc = 1.0 to 2.0 V
APR
±
5
ppm
Absolute Pull Range, Vc = 0.3 to 3.0 V
APR
±
50
ppm
Initial Accuracy (Vc = 1.65V @25°C)
-20
+20
ppm
Linearity
20
%
Start up time (To reach 90% of final amplitude)
10
ms
Control Voltage Input Impedance
10
M
Control Voltage Leakage Current
100
nA
Control Voltage Bandwidth (-3 dB, V
C
= 1.65 V)
Output Load
BW
10
KHz
15
pf
1. A 0.1
μ
F low frequency tantalum 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. Maxixmum control Voltage Leakage Current is by design.
Figure 1. Output Waveform
Figure 2. Output Test Conditions (25
±
5°C)
Voh
Vs
Vol
T
F
T
R
Period
On Time
+
-
+
-
I
C
V
C
4
3
.
1
μ
F
.01
μ
F
15pF
2
5
6
1
I
DD
650
V
DD
1.8k
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