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參數(shù)資料
| 型號： | NE521 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | High-Speed Dual-Differential Comparator/Sense Amp(高速雙差分比較器/感應(yīng)放大器) |
| 中文描述： | 高速雙差分比較器/檢測放大器（高速雙差分比較器/感應(yīng)放大器） |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 69K |
| 代理商： | NE521 |
NE521
http://onsemi.com
3
DC ELECTRICAL CHARACTERISTICS
(V+ = +5.0 V; V = 5.0 V, T
A
= 0
°
C to +70
°
C, unless otherwise noted.)
Limits
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
Input Offset Voltage
At 25
°
C
Overtemperature Range
V
OS
V+ = +4.75 V; V = 4.75 V
6.0
7.5
10
mV
Input Bias Current
At 25
°
C
Overtemperature Range
I
BIAS
V+ = +5.25 V; V = 5.25 V
7.5
20
40
A
Input Offset Current
At 25
°
C
Overtemperature Range
I
OS
V+ = +5.25 V; V = 5.25 V
1.0
5.0
12
A
Common-Mode Voltage Range
V
CM
V+ = +4.75 V; V = 4.75 V
3.0
+3.0
V
Input Current
High
I
IH
V+ = +5.25 V; V = 5.25 V
V
IH
= 2.7 V
1G or 2G Strobe
Common Strobe S
50
100
A
Input Current
Low
I
IL
V
= 0.5 V
1G or 2G Strobe
Common Strobe S
2.0
4.0
mA
Output Voltage
High
Low
V
OH
V
OL
V
= 2.0 V
V+ = +4.75 V; V = 4.75 V;
I
LOAD
= 1.0 mA
V+ = +5.25 V; V = 5.25 V;
I
LOAD
= 20 mA
2.7
3.4
0.5
V
Supply Voltage
Positive
Negative
V+
V
4.75
4.75
5.0
5.0
5.25
5.25
V
Supply Current
Positive
Negative
I
CC+
I
CC
V+ = +5.25 V; V = 5.25 V;
T
A
= 25
°
C
27
15
35
28
mA
ShortCircuit Output Current
I
SC
40
100
mA
AC ELECTRICAL CHARACTERISTICS
(T
A
= 25
°
C; R
L
= 280 ; C
L
= 15 pF, V+ = 5.0 V; V = 5.0 V, guaranteed by characterization)
Limits
Characteristic
Symbol
From Input
To Output
Min
Typ
Max
Unit
LargeSignal Switching Speed
Propagation Delay
Low to High (Note 2)
High to Low (Note 2)
Low to High (Note 3)
High to Low (Note 3)
ns
t
PLH(D)
t
PHL(D)
t
PLH(S)
t
PHL(S)
Amp
Amp
Strobe
Strobe
Output
Output
Output
Output
9.6
8.2
4.8
3.9
12
9.0
10
6.0
Max. Operating Frequency
f
MAX
40
55
MHz
2. Response time measured from 0 V point of
3. Response time measured from 1.5 V point of input to 1.5 V point of the output.
100 mV
P-P
10 MHz square wave to the 1.5 V point of the output.
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