Absolute Maximum Ratings (Note 3)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage

6.0V

Storage Temperature

−65˚C to +150˚C

ESD Susceptibility (Note 5)

3.5kV

ESD Machine model (Note 8)

250V

Junction Temperature (T

150˚C

Solder Information (Note 2)

Small Outline Package

Vapor Phase (60 sec.)

215˚C

Infrared (15 sec.)

220˚C

Thermal Resistance

θ

194˚C/W

θ

52˚C/W

θ

150˚C/W

θ

40˚C/W

θ

56˚C/W

θ

4.3˚C/W

Operating Ratings (Note 3)

Temperature Range

−40˚C

≤ to 85˚C

Supply Voltage V

DD

2.4V

≤ V

DD

≤ 5.5V

Note 2: See AN-450 ’Surface Mounting and their effects on Product Reliabil-

ity’ for other methods of soldering surface mount devices.

The following specifications apply for V

Symbol

Parameter

Conditions

LM4850

Units

(Limits)

Typical

(Note 6)

Limit

(Note 7)

V

DD

Supply Voltage

2.4

V (min)

5.5

V (max)

I

DD

Supply Current

BTL Mode; V

2.4

7.0

mA

SE Mode; V

2.4

7.0

mA

I

SD

Shutdown Current

SD Mode

44

µA

V

OS

Output Offset Voltage

BTL Mode; A

BTL OUT+ to BTL OUT−

5.0

40

mV

P

O

Output Power

LM4850LD; BTL Mode; R

Ω

THD+N = 1% (Note 11)

1.9

W

LM4850LD; BTL Mode; R

Ω

THD+N = 1% (Note 11)

1.7

W

LM4850MT, MM; BTL Mode; R

Ω

THD+N = 1%

1.5

W

BTL Mode; R

Ω

THD+N = 1%

1.1

W

SE Mode; R

Ω

THD+N = 1%

300

mW

SE Mode; R

Ω

THD+N = 1%

95

mW

V

IH

Shutdown Input Voltage High

2.0

V (min)

V

IL

Shutdown Input Voltage Low

0.8

V (max)

Crosstalk Channel Seperation

SE Mode, R

Ω; f = 1kHz

73

dB

The following specifications apply for V

Symbol

Parameter

Conditions

LM4850

Units

(Limits)

Typical

(Note 6)

Limit

(Note 7)

I

DD

Supply Current

BTL Mode; V

2.0

mA

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