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參數(shù)資料
| 型號： | LM193JAN |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Low Power Low Offset Voltage Dual Comparators |
| 中文描述： | 低功耗低失調(diào)電壓雙比較器 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 686K |
| 代理商： | LM193JAN |
LM193 JAN Electrical Characteristics
DC Parameters
(Continued)
(Continued)
Symbol
I
IO
/
T
Parameter
Temperature Coefficient of
Input Offset Current
Conditions
25C
≤
T
A
≤
+125C
-55C
≤
T
A
≤
25C
+V
CC
= 15V, -V
CC
= 0V,
R
L
= 15K
,
1V
≤
V
O
≤
11V
+V
CC
= 5V, -V
CC
= 0V,
V
I
= 10V, I
O
= 4mA
Notes
(Note 9)
(Note 9)
Min
-300
-400
Max
300
400
Unit
pA/C
pA/C
Sub-
groups
2
3
A
VS
Open Loop Voltage Gain
(Note 8)
50
V/mV
4
(Note 8)
25
V/mV
5, 6
V
Lat
Voltage Latch (Logical "1"
Input)
0.4
V
9
AC Parameters
The following conditions apply, unless otherwise specified.
+V
CC
= 5V, V
CC
= 0V
Symbol
t
RLH
Parameter
Response Time
Conditions
V
I
= 100mV, R
L
= 5.1K
,
V
OD
= 5mV
V
I
= 100mV, R
L
= 5.1K
,
V
OD
= 50mV
V
I
= 100mV, R
L
= 5.1K
,
V
OD
= 5mV
V
I
= 100mV, R
L
= 5.1K
,
V
OD
= 50mV
+V
CC
= 20V, -V
CC
= -10V,
A to B
+V
CC
= 20V, -V
CC
= -10V,
B to A
Notes
Min
Max
5.0
7.0
0.8
1.2
2.5
3.0
0.8
1.0
Unit
μS
μS
μS
μS
μS
μS
μS
μS
Sub-
groups
7, 8B
8A
7, 8B
8A
7, 8B
8A
7, 8B
8A
t
RHL
Response Time
CS
Channel Separation
80
dB
7
80
dB
7
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed
specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test
conditions.
Note 2:
The maximum power dissipation must be derated at elevated temperatures and is dictated by T
(maximum junction temperature),
θ
JA
(package junction
to ambient thermal resistance), and T
(ambient temperature). The maximum allowable power dissipation at any temperature is P
Dmax
= (T
Jmax
- T
A
)/
θ
JA
or the
number given in the Absolute Maximum Ratings, whichever is lower.
Note 3:
Short circuits from the output to V
+
can cause excessive heating and eventual destruction. When considering short circuits to ground, the maximum output
current is approximately 20 mA independent of the magnitude of V
.
Note 4:
This input current will only exist when the voltage at any of the input leads is driven negative. It is due to the collector-base junction of the input PNP
transistors becoming forward biased and thereby acting as input diode clamps. In addition to this diode action, there is also lateral NPN parasitic transistor action
on the IC chip. This transistor action can cause the output voltages of the comparators to go to the V
voltage level (or to ground for a large overdrive) for the time
duration that an input is driven negative. This is not destructive and normal output states will re-establish when the input voltage, which was negative, again returns
to a value greater than 0.3V
DC
.
Note 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 below the magnitude of the negative power supply,
if used).
Note 6:
Human body model, 1.5K
in series with 100pF.
Note 7:
S/S R
S
= 20K
, tested with R
S
= 100K
for better resolution
Note 8:
K in datalog is equivalent to V/mV.
Note 9:
Calculated parameter for
V
IO
/
T and
I
IO
/
T.
L
www.national.com
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