Parameter

Conditions

Min

Typ

Max

Units

TIMER

Timer Threshold Voltage Pin 5

063

0667

070

c

Input Bias Current Pin 5

All Devices

g

10

g

100

nA

LM131LM231LM331

200

1000

nA

LM131ALM231ALM331A

200

500

nA

022

05

V

CURRENT SOURCE (Pin 1)

Output Current

LM131 LM131A LM231 LM231A

126

135

144

m

A

LM331 LM331A

116

136

156

m

A

Change with Voltage

02

10

m

A

Current Source OFF Leakage

LM131 LM131A

001

10

nA

LM231 LM231A LM331 LM331A

002

100

nA

All Devices

20

500

nA

Operating Range of Current (Typical)

(10 to 500)

m

A

REFERENCE VOLTAGE (Pin 2)

LM131 LM131A LM231 LM231A

176

189

202

LM331 LM331A

170

189

208

Stability vs Temperature

g

60

ppm C

Stability vs Time 1000 Hours

g

01

%

LOGIC OUTPUT (Pin 3)

015

050

V

010

040

V

OFF Leakage

g

005

10

m

A

SUPPLY CURRENT

LM131 LM131A LM231

20

30

40

mA

LM231A

25

40

60

mA

LM331 LM331A

15

30

60

mA

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

Note 3

or polystyrene

Note 4

Human body model 100 pF discharged through a 15 kX resistor

3