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LM2901N Folha de dados(PDF) 4 Page - STMicroelectronics

Nome de Peças LM2901N
Descrição Electrónicos  LOW POWER QUAD VOLTAGE COMPARATORS
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
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Electrical Characteristics
LM2901
4/12
3
Electrical Characteristics
Table 3.
VCC
+ = 5V, V
cc
- = GND, T
amb = 25°C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
Vio
Input Offset Voltage (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 input common-mode
range (0V to VCC+ –1.5V).
17
15
mV
Iio
Input Offset Current
Tamb = +25°C
Tmin ≤ Tamb ≤ Tmax.
550
150
nA
Iib
Input Bias Current (II
+ or I
I
-) (2)
Tamb = 2.5V
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
250
400
nA
Avd
Large Signal Voltage Gain
(Vcc = 15V,RL=15kΩ, Vo=1 to 11V)
25
200
V/mV
Icc
Supply Current (all comparators))
VCC = +5V, no load
VCC = +30V, no load
1.1
1.3
2
2.5
mA
Vicm
Input Common Mode Voltage Range (Vcc= 30V)
(3)
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
V
Vid
Differential Input Voltage(4)
4.
The response time specified is for a 100mV input step with 5mV overdrive.
VCC
+
V
VOL
Low Level Output Voltage
Vid = -1V, Isink = 4mA
Tamb = +25°C
Tmin ≤ Tamb ≤ Tmax
250
400
700
mV
Ioh
High Level Output Current
(VCC =Vo =30V, Vid = 1V)
Tamb = +25°C
Tmin ≤ Tamb ≤ Tmax
0.1
1
nA
µA
Isink
Output Sink Current (Vid = -1V,Vo = 1.5V)
616
mA
tre
Small Signal Response Time(5)
(RL = 5.1kΩ connected to VCC
+
5.
Positive 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
µs
trel
Large Signal Response Time(6)
TTL Input (Vref = +1.4 V, RL=5.1kΩ to VCC
+)
Output Signal at 50% of final value
Output Signal at 95% of final value
6.
Maximum values are guaranteed by design.
500
1
ns
µs


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