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LM331N Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM331N
Description  Precision Voltage-to-Frequency Converters
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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 3 page
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Electrical Characteristics TAe25 C unless otherwise specified (Note 2) (Continued)
Parameter
Conditions
Min
Typ
Max
Units
TIMER
Timer Threshold Voltage Pin 5
063
0667
070
c
VS
Input Bias Current Pin 5
VS e 15V
All Devices
0VsVPIN 5 s 99V
g
10
g
100
nA
LM131LM231LM331
VPIN 5 e 10V
200
1000
nA
LM131ALM231ALM331A
VPIN 5 e 10V
200
500
nA
VSAT PIN 5 (Reset)
I e 5 mA
022
05
V
CURRENT SOURCE (Pin 1)
Output Current
RSe14 kX VPIN 1e0
LM131 LM131A LM231 LM231A
126
135
144
m
A
LM331 LM331A
116
136
156
m
A
Change with Voltage
0VsVPIN 1s10V
02
10
m
A
Current Source OFF Leakage
LM131 LM131A
001
10
nA
LM231 LM231A LM331 LM331A
002
100
nA
All Devices
TAeTMAX
20
500
nA
Operating Range of Current (Typical)
(10 to 500)
m
A
REFERENCE VOLTAGE (Pin 2)
LM131 LM131A LM231 LM231A
176
189
202
VDC
LM331 LM331A
170
189
208
VDC
Stability vs Temperature
g
60
ppm C
Stability vs Time 1000 Hours
g
01
%
LOGIC OUTPUT (Pin 3)
VSAT
Ie5 mA
015
050
V
Ie32 mA (2 TTL Loads) TMINsTAsTMAX
010
040
V
OFF Leakage
g
005
10
m
A
SUPPLY CURRENT
LM131 LM131A LM231
VSe5V
20
30
40
mA
LM231A
VSe40V
25
40
60
mA
LM331 LM331A
VSe5V
15
30
60
mA
VSe40V
20
40
80
mA
Note 1
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur DC and AC electrical specifications do not apply when operating
the device beyond its specified operating conditions
Note 2
All specifications apply in the circuit of
Figure 3 with 40VsVSs40V unless otherwise noted
Note 3
Nonlinearity is defined as the deviation of fOUT from VIN c (10 kHz b10 VDC) when the circuit has been trimmed for zero error at 10 Hz and at 10 kHz
over the frequency range 1 Hz to 11 kHz For the timing capacitor CT use NPO ceramic Teflon
or polystyrene
Note 4
Human body model 100 pF discharged through a 15 kX resistor
3




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