Datasheet

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 ≤ V
S
≤ 40V, T
A
=25°C, unless otherwise specified.
Parameter Conditions Min Typ Max Units
Over Range (Beyond Full-Scale) Frequency V
IN
= −11V 10 %
INPUT COMPARATOR
Offset Voltage ±3 ±10 mV
LM231/LM331 T
MIN
≤ T
A
≤ T
MAX
±4 ±14 mV
LM231A/LM331A T
MIN
≤ T
A
≤ T
MAX
±3 ±10 mV
Bias Current −80 −300 nA
Offset Current ±8 ±100 nA
V
CC
−2.
Common-Mode Range T
MIN
≤ T
A
≤ T
MAX
−0.2 V
0
TIMER
Timer Threshold Voltage, Pin 5 0.63 0.667 0.70 × V
S
Input Bias Current, Pin 5 V
S
= 15V
All Devices 0V ≤ V
PIN 5
≤ 9.9V ±10 ±100 nA
LM231/LM331 V
PIN 5
= 10V 200 1000 nA
LM231A/LM331A V
PIN 5
= 10V 200 500 nA
V
SAT PIN 5
(Reset) I = 5 mA 0.22 0.5 V
CURRENT SOURCE (Pin 1)
Output Current
LM231, LM231A R
S
= 14 kΩ, V
PIN 1
= 0 126 135 144 μA
LM331, LM331A 116 136 156 μA
Change with Voltage 0V ≤ V
PIN 1
≤ 10V 0.2 1.0 μA
Current Source OFF Leakage
LM231, LM231A, LM331, LM331A 0.02 10.0 nA
All Devices T
A
= T
MAX
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 V
DC
LM331, LM331A 1.70 1.89 2.08 V
DC
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
V
SAT
I = 3.2 mA (2 TTL Loads), T
MIN
≤ T
A
≤
0.10 0.40 V
T
MAX
OFF Leakage ±0.05 1.0 μA
SUPPLY CURRENT
V
S
= 5V 2.0 3.0 4.0 mA
LM231, LM231A
V
S
= 40V 2.5 4.0 6.0 mA
V
S
= 5V 1.5 3.0 6.0 mA
LM331, LM331A
V
S
= 40V 2.0 4.0 8.0 mA
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