Absolute Maximum Ratings (Note 4)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

LM148

LM248

LM348

Supply Voltage

Differential Input Voltage

Output Short Circuit Duration (Note 1)

Continuous

Continuous

Continuous

Power Dissipation (P

Thermal Resistance (

θ

Molded DIP (N) P

d

—

—

750 mW

θ

jA

—

—

100˚C/W

Cavity DIP (J) P

d

1100 mW

800 mW

700 mW

θ

JA

110˚C/W

110˚C/W

110˚C/W

Maximum Junction Temperature (T

150˚C

110˚C

100˚C

Operating Temperature Range

−55˚C

≤ T

A

≤ +125˚C

−25˚C

≤ T

A

≤ +85˚C

0˚C

≤ T

A

≤ +70˚C

Storage Temperature Range

−65˚C to +150˚C

−65˚C to +150˚C

−65˚C to +150˚C

Lead Temperature (Soldering, 10 sec.) Ceramic

300˚C

300˚C

300˚C

Lead Temperature (Soldering, 10 sec.) Plastic

260˚C

Soldering Information

Dual-In-Line Package

Soldering (10 seconds)

260˚C

260˚C

260˚C

Small Outline Package

Vapor Phase (60 seconds)

215˚C

215˚C

215˚C

Infrared (15 seconds)

220˚C

220˚C

220˚C

See AN-450 “Surface Mounting Methods and Their Effect on Product Reliability” for other methods of soldering surface

mount

devices.

ESD tolerance (Note 5)

500V

500V

500V

Electrical Characteristics

(Note 3)

Parameter

Conditions

LM148

LM248

LM348

Units

Min

Typ Max Min

Typ Max Min

Typ Max

Input Offset Voltage

T

≤ 10 kΩ

1.0

5.0

1.0

6.0

1.0

6.0

mV

Input Offset Current

T

4

25

4

50

4

50

nA

Input Bias Current

T

30

100

30

200

30

200

nA

Input Resistance

T

0.8

2.5

0.8

2.5

0.8

2.5

M

Ω

Supply Current All Amplifiers

T

2.4

3.6

2.4

4.5

2.4

4.5

mA

Large Signal Voltage Gain

T

50

160

25

160

25

160

V/mV

V

≥ 2kΩ

Amplifier to Amplifier

T

Coupling

(Input Referred) See Crosstalk

−120

−120

−120

dB

Test Circuit

Small Signal Bandwidth

T

LM148 Series

1.0

1.0

1.0

MHz

Phase Margin

T

LM148 Series (A

60

60

60

degrees

Slew Rate

T

LM148 Series (A

0.5

0.5

0.5

V/µs

Output Short Circuit Current

T

25

25

25

mA

Input Offset Voltage

R

S

≤ 10 kΩ

6.0

7.5

7.5

mV

Input Offset Current

75

125

100

nA

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