LM140L, LM340L

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SNVS758B – APRIL 1998 – REVISED MARCH 2013

Electrical Characteristics (continued)

Test conditions unless otherwise specified. TA = −55°C to +125°C (LM140LA), TA = 0°C to +70°C (LM340LA), IO = 40 mA, CIN

= 0.33

μF, CO = 0.01 μF.

Output Voltage Option

5.0V

12V

15V

Input Voltage (unless otherwise noted)

10V

19V

23V

Units

Symbol

Parameter

Conditions

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

VN

Output Noise Tj = 25°C

(2), f = 10 Hz–10 kHz

40

80

90

μV

Voltage

f = 120 Hz, VIN = ( )V

55

62

47

54

45

52

ΔVIN

Ripple

dB

ΔVout

Rejection

(7.5–18)

(14.5–25)

(17.5–28.5)

Input Voltage

Required to

Tj = 25°C, IO = 40 mA

7

14.2

17.3

V

Maintain Line

Regulation

(2)

It is recommended that a minimum load capacitor of 0.01

μF be used to limit the high frequency noise bandwidth.

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