參數(shù)資料
型號(hào): LC7444
廠商: Sanyo Electric Co.,Ltd.
英文描述: Dual VCO(Voltage Controlled Oscillator)Circuit(雙電壓控制振蕩器電路)
中文描述: 雙VCO(壓控振蕩器)電路(雙電壓控制振蕩器電路)
文件頁(yè)數(shù): 2/3頁(yè)
文件大?。?/td> 42K
代理商: LC7444
Electrical Characteristics
at Ta = 25 ± 2°C, V
DD
= 5 V ± 10%, V
SS
1 = V
SS
2 = 0 V, V
DD
= V
DD
1, V
DD
2
Note: 1.
2. Duty: Du
Du =
×
100
Pin Assignment
tH
tH + tL
No. 4305-2/3
LC7444
Parameter
Symbol
Conditions
min
typ
max
Unit
Output high level voltage
V
OH
V
OL
I
DDS
OUT1, OUT2: I
OH
= –1 mA
OUT1, OUT2: I
OL
= 1 mA
ENA1, ENA2 = V
DD
, FC1, FC2 = V
SS
R1 = R2 = 7.5 k
, no output load,
oscillator clock = 20 MHz
V
DD
– 0.4
V
Output low level voltage
0.4
V
Quiescent current
2
mA
Operating current drain
I
DD
7
mA
Input leakage current
I
IH
, I
IL
–1
+1
μA
Oscillator clock frequency
operating range
fo
R1, R2 = 6.8 k
, FC1, FC2 = V
SS
to V
DD
*
1
R1, R2 = 13 k
, FC1, FC2 = V
SS
to V
DD
*
1
*
2
16
32
MHz
8
16
MHz
Duty
Du
50
%
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