Diodes PAM8001 - Manual (Page 4)

PAM8001
Document number: DSxxxxx Rev. 1 - 0
4 of 17
www.diodes.com
February 2013
© Diodes Incorporated
PAM8001
A Product Line of
Diodes Incorporated
Thermal Information
Parameter Symbol Package Maximum Unit
Thermal Resistance (Junction to Ambient) θ
JA
SSOP-24L 96 °C/W
Thermal Resistance (Junction to Ambient) θ
JA
QFN3*3-20L 31 °C/W
Electrical Characteristics
(V
DD
= 5V, Gain = Maximum, R
L
= 8Ω, @T
A
= +25°C, unless otherwise specified.)
Symbol Parameter Conditions Min Typ Max Unit
V
DD
Supply Voltage Range 2.5 5.5 V
I
Q
Quiescent Current No Load 11.5 15 mA
V
OS
Output Offset Voltage V
IN
= 0V 20 mV
R
DS(ON)
Drain-Source On-State
Resistance
I
DS
= 0.5A
P MOSFET 0.21
Ω
N MOSFET 0.165
P
O
Output Power with Anti-
Saturation THD+N <1%
f = 1kHz, V
PL
= 1V
R
L
=8Ω 1
W
R
L
= 4Ω 1.9
P
O
Output Power without Anti-
Saturation THD+N <10%
f = 1kHz, V
PL
= 1.5V
R
L
=8Ω 1.35 1.5
W
R
L
= 4Ω 2.65 2.8
THD+N
Total Harmonic Distortion Plus
Noise R
L
=8Ω, P
O
= 0.85W, f = 1kHz 0.08
%
R
L
= 4Ω, P
O
= 1.75W, f = 1kHz 0.08
PSRR Power Supply Ripple Rejection
Input AC-GND, f = 1KHz,
V
PP
= 200mV, Gain = 6dB
70 dB
CS Channel Separation P
O
= 1W, f = 1KHz -85 dB
f
OSC
Oscillator Frequency 200 250 300 kHz
η Efficiency
P
O
= 1.7W, f = 1KHz, R
L
= 8Ω 85 89 %
P
O
= 3.0W, f = 1KHz, R
L
= 4Ω 80 83 %
Vn Noise
Input AC-GND
Gain = 6dB A-Weighting 50
µV
No A-Weighting 70
SNR Signal Noise Ratio f = 20-20kHz, Gain = 6dB 85 dB
UVLO Under Voltage Lock-Out 2.0 V
I
MUTE
Mute Current V
MUTE
= 0.3V 4.2 mA
I
SHDN
Shutdown Current V
SHDN
= 0V 1 µA
V
SH
SHDN Input High 1.3
V
V
SL
SHDN Input Low 0.65
V
MH
MUTE Input High 1.3
V
V
ML
MUTE Input Low 0.66
V
PL
V
PL
Threshold Voltage Power Limit Off 1.5 Note 1 V
V
REF
V
REF
Voltage V
DD
= 2.5V to 5.5V 1.2 V
I
D
V
REF
Drive Current V
DD
= 2.5V to 5.5V 150 µA
OTP Over Temperature Protection 150 °C
OTH Over Temperature Hysteresis 30 °C
Note: 1. Maximum Output Power vs. V
PL
Voltage
V
DD
= 5V, R
L
= 4Ω, T
A
= +25°C
VPL (V) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 >1.5
PO (W) 0 0.04 0.11 0.21 0.34 0.50 0.68 0.94 1.28 1.52 1.90 2.15 2.40 2.8