PAM8803 datasheet(4/13 Pages) PAM

4 / 13 page

Thermal Information

Electrical Characteristic

V =5V, Gain = 18dB, R =8

T =25

unless otherwise noted.

Ω,

，

°C

Parameter

Symbol

Package

Maximum

Unit

Thermal Resistance (Junction to Ambient)

θJA

SSOP-24

°C/W

Power Analog Microelectronics Inc

PARAMETER

SYM BOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage Range

VDD

2.2

5.5

No Load

RL=8Ω

Quiescent Current

RL=4Ω

8.5

Mute Current

MUTE

MUTE=0V

2.5

Shutdown Current

SHDN

SHDN=0V

0.5

μA

SHDN Input High

VSH

1.2

SHDN Input Low

VSL

0.5

MUTE Input High

VMH

1.2

MUTE Input Low

VML

0.5

Output Offset Voltage

VOS

No Load

120

300

P MOSFET

0.3

0.40

Drain-Source On-State

Resistance

RDS(ON)

IDS=0.5A

N MOSFET

0.22

0.35

RL= 8Ω,THD=1%

1.1

1.3

RL= 8Ω,THD=10%

1.5

1.7

RL= 4Ω,THD=1%

1.9

2.1

Output Power

f=1kHz

RL= 4Ω,THD=10%

2.8

3.0

RL=8Ω, PO=0.5W

0.19

RL=8Ω, PO=1.0W

0.22

RL=4Ω, PO=1.0W

0.17

Total Harmonic Distortion Plus

Noise

THD+N

RL=4Ω, PO=2.0W

0.25

Power Supply Ripple Rejection

PSRR

No input, f=1kHz, Vpp=200mV

Channel Separation

PO=1W, RL=4Ω60

Oscillator Frequency

fOSC

170

210

250

kHz

PO=1.7W, f=1kHz, RL=8Ω

Efficiency

PO=3.0W, f=1kHz, RL=4Ω

RL=4Ω

Signal Noise Ratio

SNR

f =22 to 22kHz

，

THD=1%

RL=8Ω

Under Voltage Lock-out

UVLO

1.95

Over Temperature Protection

OTP

150

°C

Over Temperature Hysteresis

OTH

°C

www.poweranalog.com

PAM8803

3W Filterless Stereo Class-D Audio Amplifier

with Digital Volume Control

12/2009 Rev 1.4

PAM8803 Datasheet(PDF) 4 Page - Power Analog Micoelectronics

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