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LM293 датащи(PDF) 4 Page - STMicroelectronics

номер детали LM293
подробное описание детали  Low power dual voltage comparators
PDF  15 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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LM293 датащи(HTML) 4 Page - STMicroelectronics

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Electrical characteristics
LM193, LM293, LM393
4/15
3
Electrical characteristics
Table 3.
VCC
+ = +5V, V
CC
-= 0V, T
amb = +25°C (unless otherwise specified)
Symbol
Parameter
LM193A - LM293A
LM393A
LM193- LM293
LM393
Unit
Min.
Typ.
Max.
Min
Typ.
Max.
Vio
Input offset voltage (1)
Tmin ≤ Tamb ≤ Tmax
12
4
15
9
mV
Iio
Input offset current
Tmin ≤ Tamb ≤ Tmax
325
100
550
150
nA
Iib
Input bias current (I+ or I-) (2)
Tmin ≤ Tamb ≤ Tmax
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
0.4
1
1
2.5
0.4
1
1
2.5
mA
Vid
Differential input voltage (3)
VCC
+
VCC
+
VOL
Low level output voltage
Vid = -1V, Isink = 4mA
Tmin ≤ Tamb ≤ Tmax
250
400
700
250
400
700
mV
IOH
High level output current
VCC = Vo = 30V, Vid = 1V
Tmin ≤ Tamb ≤ Tmax
0.1
1
0.1
1
nA
μA
Isink
Output sink current Vid= 1V, Vo = 1.5V
6
16
6
16
mA
tre
Response time (4)
RL= 5.1kΩ connected to VCC
+
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
1.
At output switch point, Vo ≈ 1.4 V, Rs = 0 with VCC
+ from 5 V to 30 V, and over the full common-mode range (0 V to
VCC
+ -1.5 V).
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.
3.
The response time specified is for a 100 mV input step with 5 mV overdrive. For larger overdrive signals 300 ns can be
obtained.
4.
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
-0.3 V (or 0.3 V below the negative power supply, if used).



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