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LM331N Datasheet(PDF) 3 Page - Texas Instruments

Part No. LM331N
Description  LM231A/LM231/LM331A/LM331 Precision Voltage-to-Frequency Converters
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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LM231, LM331
www.ti.com
SNOSBI2B – JUNE 1999 – REVISED MARCH 2013
Electrical Characteristics (continued)
All specifications apply in the circuit of Figure 16, with 4.0V
≤ VS ≤ 40V, TA=25°C, unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
Over Range (Beyond Full-Scale) Frequency
VIN = −11V
10
%
INPUT COMPARATOR
Offset Voltage
±3
±10
mV
LM231/LM331
TMIN ≤ TA ≤ TMAX
±4
±14
mV
LM231A/LM331A
TMIN ≤ TA ≤ TMAX
±3
±10
mV
Bias Current
−80
−300
nA
Offset Current
±8
±100
nA
VCC−2.
Common-Mode Range
TMIN ≤ TA ≤ TMAX
−0.2
V
0
TIMER
Timer Threshold Voltage, Pin 5
0.63
0.667
0.70
× VS
Input Bias Current, Pin 5
VS = 15V
All Devices
0V
≤ VPIN 5 ≤ 9.9V
±10
±100
nA
LM231/LM331
VPIN 5 = 10V
200
1000
nA
LM231A/LM331A
VPIN 5 = 10V
200
500
nA
VSAT PIN 5 (Reset)
I = 5 mA
0.22
0.5
V
CURRENT SOURCE (Pin 1)
Output Current
LM231, LM231A
RS = 14 kΩ, VPIN 1 = 0
126
135
144
μA
LM331, LM331A
116
136
156
μA
Change with Voltage
0V
≤ VPIN 1 ≤ 10V
0.2
1.0
μA
Current Source OFF Leakage
LM231, LM231A, LM331, LM331A
0.02
10.0
nA
All Devices
TA = TMAX
2.0
50.0
nA
Operating Range of Current (Typical)
(10 to 500)
μA
REFERENCE VOLTAGE (Pin 2)
LM231, LM231A
1.76
1.89
2.02
VDC
LM331, LM331A
1.70
1.89
2.08
VDC
Stability vs. Temperature
±60
ppm/°C
Stability vs. Time, 1000 Hours
±0.1
%
LOGIC OUTPUT (Pin 3)
I = 5 mA
0.15
0.50
V
VSAT
I = 3.2 mA (2 TTL Loads), TMIN ≤ TA
0.10
0.40
V
TMAX
OFF Leakage
±0.05
1.0
μA
SUPPLY CURRENT
VS = 5V
2.0
3.0
4.0
mA
LM231, LM231A
VS = 40V
2.5
4.0
6.0
mA
VS = 5V
1.5
3.0
6.0
mA
LM331, LM331A
VS = 40V
2.0
4.0
8.0
mA
Copyright © 1999–2013, Texas Instruments Incorporated
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Product Folder Links: LM231 LM331




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