LM331N datasheet(3/15 Pages) NSC

3 / 15 page

Electrical Characteristics (Continued)

A=25˚C unless otherwise specified (Note 2)

Parameter

Conditions

Min

Typ

Max

Units

TIMER

SAT PIN 5 (Reset)

I = 5 mA

0.22

0.5

CURRENT SOURCE (Pin 1)

Output Current

S=14 kΩ,VPIN 1=0

LM231, LM231A

126

135

144

µA

LM331, LM331A

116

136

156

µA

Change with Voltage

≤ V

PIN 1 ≤ 10V

0.2

1.0

µA

Current Source OFF Leakage

LM231, LM231A, LM331, LM331A

0.02

10.0

All Devices

A=TMAX

2.0

50.0

Operating Range of Current (Typical)

(10 to 500)

µA

REFERENCE VOLTAGE (Pin 2)

LM231, LM231A

1.76

1.89

2.02

LM331, LM331A

1.70

1.89

2.08

Stability vs Temperature

±60

ppm/˚C

Stability vs Time, 1000 Hours

±0.1

LOGIC OUTPUT (Pin 3)

SAT

I=5 mA

0.15

0.50

I=3.2 mA (2 TTL Loads), T

MIN≤TA≤TMAX

0.10

0.40

OFF Leakage

±0.05

1.0

µA

SUPPLY CURRENT

LM231, LM231A

S=5V

2.0

3.0

4.0

LM331, LM331A

S=40V

2.5

4.0

6.0

S=5V

1.5

3.0

6.0

S=40V

2.0

4.0

8.0

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 4, with 4.0V

≤VS≤40V, unless otherwise noted.

Note 3: Nonlinearity is defined as the deviation of fOUT from VIN x (10 kHz/−10 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 1.5 k

Ω resistor.

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

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