If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage

6.0V

Input Voltage

−0.3V to V

Power Dissipation (Note 3)

Internally Limited

Load Resistance

2.5

Ω, min

ESD Susceptibility(Note 4)

2000V

Pins 5,7,18,20

600V

ESD Susceptibility (Note 5)

200V

Pins 5,7,18,20

50V

Junction Temperature (Note 6)

150˚C

Storage Temperature

−65˚C

≤ T

Soldering Information

TSSOP Package

Vapor Phase (60 sec.)

215˚C

Infrared (15 sec.)

220˚C

See AN-450 “Surface Mounting and their Effects on

Product Reliability” for other methods of soldering surface

mount devices.

Temperature Range

T

−40˚C

≤ T

Supply Voltage

4.5V

≤ V

Thermal Resistance (TSSOP Package)

θ

JA

80˚C/W

θ

JC

20˚C/W

The following specifications apply for V

Limits apply for T

Symbol

Parameter

Conditions

LM4663

Units

Typical

Max

Min

V

S

Operating Supply Voltage

Range

5

5.5

4.5

V

I

S

Quiescent Power Supply

Current, Class D Mode

V

22

35

mA

I

S

Quiescent Power Supply

Current, Headphone Mode

V

510

mA

I

SD

Quiescent Power Supply

Current, Shutdown Mode

V

2

µA

R

IN

Input Resistance in Both Modes

20

k

Ω

V

IH

Minimum High Level Input

Voltage

Shutdown Pin & Input Select

Pin

4.5

V

V

IL

Maximum Low Level Input

Voltage

Shutdown Pin & Input Select

Pin

0.5

V

V

IH

Minimum High Level Input

Voltage

Headphone Select Pin

4.5

V

V

IL

Maximum Low Level Input

Voltage

Headphone Select Pin

0.5

V

Power Amplifiers

P

Output Power, Per Channel

THD+N

≤ 1%,f

2.1

W

P

D1

Power Dissipation

P

0.82

W

P

D2

Power Dissipation

P

0.49

W

P

D3

Power Dissipation

P

0.23

W

E

FF1

Efficiency

P

83

%

E

FF2

Efficiency

P

1kHz

85

80

%

E

FF3

Efficiency

P

69

%

THD+N

Harmonic Distortion + Noise

P

0.2

%

V

NOISE

Output Noise Voltage, RMS.

A−Weighted

R

BW = 8Hz to 22kHz

200

µV

PSRR

Power Supply Rejection Ratio

(Referred to Input)

200mV, 1kHz, V

dB

A

V

Voltage Gain

1kHz, V

13

dB

A

Stereo Gain Tracking

1kHz, V

0.1

dB

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