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LM239A bảng dữ liệu(PDF) 3 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  LOWPOWER QUAD VOLTAGE COMPARATORS
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LM239A bảng dữ liệu(HTML) 3 Page - STMicroelectronics

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LM139,A-LM239,A-LM339,A
3/10
ELECTRICAL CHARACTERISTICS
VCC
+ = +5V, VCC
-= GND, T
amb = +25°C (unless otherwise specified)
Symbol
Parameter
LM139A - LM239A
LM339A
LM139- LM239
LM339
Unit
Min.
Typ.
Max.
Min
Typ.
Max.
Vio
Input Offset Voltage - note 1)
Tamb = +25°C
Tmin ≤ Tamb ≤ Tmax
1.
At output switch point, Vo ≈ 1.4V, Rs = 0 with VCC
+ from 5V to 30V, and over the full common-mode range (0V to V
CC
+ -1.5V).
12
4
15
9
mV
Iio
Input Offset Current
Tamb = +25°C
Tmin ≤ Tamb ≤ Tmax
325
100
550
150
nA
Iib
Input Bias Current (I+ or I-) - note 2)
Tamb = +25°C
Tmin ≤ Tamb ≤ Tmax
2.
The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant, independent of the state of the
output, so no loading charge exists on the reference of input lines.
25
100
300
25
250
400
nA
Avd
Large Signal Voltage Gain
VCC = 15V, RL = 15kΩ, Vo = 1V to 11V
50
200
50
200
V/mV
ICC
Supply Current (all comparators)
VCC = +5V, no load
VCC = +30V, no load
1.1
1.3
2
2.5
1.1
1.3
2
2.5
mA
Vicm
Input Common Mode Voltage Range - note 3)
VCC = 30V
Tamb = +25°C
Tmin ≤ Tamb ≤ Tmax
3.
The input common-mode voltage of either input signal voltage should not be allowed to go negative by more than 0.3V. The upper end of the
common-mode voltage range is VCC
+ -1.5V, but either or both inputs can go to +30V without damage
0
0
VCC
+ -1.5
VCC
+ -2
0
0
VCC
+ -1.5
VCC
+ -2
V
Vid
Differential Input Voltage -note 4)
4.
The response time specified is for a 100mV input step with 5mV overdrive. For larger overdrive signals 300ns can be obtained
VCC
+
VCC
+
V
VOL
Low Level Output Voltage
Vid = -1V, Isink = 4mA
Tamb = +25°C
Tmin ≤ Tamb ≤ Tmax
250
400
700
250
400
700
mV
IOH
High Level Output Current (Vid = 1V)
VCC = Vo = 30V
Tamb = +25°C
Tmin ≤ Tamb ≤ Tmax
0.1
1
0.1
1
nA
µA
Isink
Output Sink Currrent
Vid= 1V, Vo = 1.5V
6
16
6
16
mA
tre
Response Time - note 5)
RL= 5.1kΩ connected to VCC
+
5.
Posistive excursions of input voltage may exceed the power supply level. As long as the other voltage remains within the common-mode range, the
comparator will provide a proper output state. The low input voltage state must not be less than -0.3V (or 0.3V bellow the negative power supply, if
used).
1.3
1.3
µs
trel
Large Signal Response Time
RL= 5.1kΩ connected to VCC
+, e
l = TTL,
V(ref) = +1.4v
300
300
ns


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