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

Input Voltage

−0.3V to V

Power Dissipation (Note 3)

Internally limited

ESD Susceptibility (Note 4)

2500V

ESD Susceptibility (Note 5)

200V

Junction Temperature

150˚C

Soldering Information

Small Outline 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.

Thermal Resistance

θ

15˚C/W

θ

62˚C/W

Operating Ratings

Temperature Range

−40˚C to 85˚C

Supply Voltage

2.7

≤ V

Electrical Characteristics

(Notes 1, 2) The following specifications apply for V

measurements represent the full audio chain from Input A of each channel to their respective output. Limits apply for

T

Symbol

Parameter

Conditions

LM4831

Units

(Limits)

Typical

(Note

6)

Limit

(Note

7)

General Characteristics For Entire IC

V

DD

Supply Voltage

2.7

V (min)

5.5

V (max)

I

DD

Quiescent Power Supply

Current

Bridged Mode, I

16

50

mA (max)

Single-Ended Mode, I

10.5

mA

Docking Station Mode, I

7

mA

I

SD

Shutdown Current

V

2

50

µA (max)

V

DD/2

Half Supply Bypass Voltage

V

2.45

2.4

V (min)

2.6

V (max)

Power Amplifiers

P

O

Output Power - Bridged

Mode

R

1.1

1

W (min)

R

1.5

W

Output Power -

Single-Ended Mode

R

300

mW

R

550

mW

THD

Total Harmonic Distortion

Bridged Mode, P

0.5

2.0

% (Max)

Single-Ended Mode, P

R

0.15

%

V

OS

Output Offset Voltage

V

5

50

mV (Max)

E

Noise

Input Referred Noise

A-Weighted Filter, V

R

Bridged Output

45

100

µV (max)

Single-Ended Output

35

100

µV (max)

PSRR

Power Supply Rejection

Ratio

f = 1kHz, C

Bridged Output

47

dB

Single-Ended Output

45

dB

X

TALK

Channel to Channel

Crosstalk

f = 1kHz, P

Right to Left

−82

dB

Left to Right

−73

dB

I

TS

Ended Mode

V

R_PA+OUT = V

80

100

µA (max)

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