PAM8403 datasheet(4/12 Pages) PAM

4 / 12 page

Electrical Characteristic

V =5V, Gain=24dB, R =8 , T =25

, unless otherwise noted.

Ω°C

PAM8403

Filterless 3W Class-D Stereo Audio Amplifier

09/2008 Rev 1.3

Power Analog Microelectronics Inc

www.poweranalog.com

Symbol

Parameter

Test Conditions

MIN

TYP

MAX UNIT

VIN

Supply Power

2.5

5.5

VDD=5.0V

3.2

VDD=3.6V

1.6

THD+N=10%,f=1kHz, RL=4 Ω

VDD=3.0V

1.3

VDD=5.0V

2.5

VDD=3.6V

1.3

THD+N=1%,f=1kHz, RL=4 Ω

VDD=3.0V

0.85

VDD=5.0V

1.8

VDD=3.6V

0.9

THD+N=10%,f=1kHz, RL=8 Ω

VDD=3.0V

0.6

VDD=5.0V

1.4

VDD=3.6V

0.72

Output Power

THD+N=1%,f=1kHz, RL=8 Ω

VDD=3.0V

0.45

VDD=5.0V,Po=0.5W,RL=8 Ω

0.15

VDD=3.6V,Po=0.5W,RL=8 Ω

f=1kHz

0.11

VDD=5.0V,Po=1W,RL=4 Ω

0.15

THD+N

Total Harmonic Distortion Plus

Noise

VDD=3.6V,Po=1W,RL=4 Ω

f=1kHz

0.11

Gain

f=100Hz

-59

PSRR

Power Supply Ripple Rejection

VDD=5.0V, Inputs ac-grounded with

CIN=0.47μF

f=1kHz

-58

Crosstalk

VDD=5V,Po=0.5W,RL=8Ω,Gv=20dB

F=1kHz

-95

SNR

Signal-to-noise ratio

VDD=5V, Vorms=1V,Gv=20dB

f=1kHz

A-weighting

100

Output noise

VDD=5V, Inputs ac-grounded with

CIN=0.47μF

No A-weighting

150

μV

Dyn

Dynamic range

VDD=5.0V, THD=1%

f=1kHz

RL=8Ω, THD=10%

Efficiency

RL=4Ω, THD=10%

f=1kHz

VDD=5.0V

VDD=3.6V

Quiescent Current

VDD=3.0V

No load

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