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LM2901H Datasheet(数据表) 4 Page - STMicroelectronics

部件型号  LM2901H
说明  High Temperature Low Power Quad Voltage Comparators
下载  7 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LM2901H Datasheet(HTML) 4 Page - STMicroelectronics

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Electrical Characteristics
LM2901H
4/7
3
Electrical Characteristics
Table 2.
VCC
+ =5V, V
CC
- = GND, T
amb = 25°C (unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VI O
Input Offset Voltage (1)
1.
At output switch point, VO
≈ 1.4V, RS = 0 with V
CC
+ from 5V to 30V, and over the full input common-mode
range (0V to VCC
+ –1.5V).
Tamb = +25°C
Tmin ≤ Tamb ≤ Tmax.
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)
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
Tamb =+ 25°C
Tmin ≤ Tamb ≤ Tmax.
25
250
400
nA
AVD
Large Signal Voltage Gain
VCC = 15V, R = 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)
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.
Tamb = +25°C
Tmin ≤ Tamb ≤ Tmax.
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
Tamb = +25°C
Tmin ≤ Tamb ≤ Tmax
6
2
16
mA
tRE
Small Signal Response
Time(5)
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)
RL = 5.1kΩ connected
to VCC
+
1.3
µs
tREL
Large Signal Response
Time(6)
6.
Maximum values are guaranteed by design.
TTL input, Vref = +1.4V,
RL =5.1kΩ to VCC
+
– Output Signal at 50% of
final value
– Output Signal at 95% of
final value
500
1
ns
µs




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