Diodes PAM8603A - Manual (Page 4)

PAM8603A
Document number: DSxxxxx Rev. 1 - 2
4 of 16
www.diodes.com
November 2012
© Diodes Incorporated
PAM8603A
A Product Line of
Diodes Incorporated
Electrical Characteristics
(@T
A
= +25°C, V
DD
= 5V, Gain = Maximum, R
L
= 8Ω, unless otherwise specified.)
Parameter Symbol Test Conditions Min Typ Max Units
Class D Stage
Supply Voltage Range
V
DD
2.5 5.5 V
Quiescent Current I
Q
No Load 10 15 mA
Output Offset Voltage V
OS
No Load 10 50 mV
Drain-Source On-State Resistance R
DS(ON)
I
DS
= 0.5A
P MOSFET 0.35
Ω
N MOSFET 0.25
Output Power P
O
THD+N = 10%, f = 1kHz,
Anti-saturation off R
L
= 8Ω 1.55 1.70
W
R
L
= 4Ω 2.85 3.00
THD+N = 1%, f = 1kHz,
Anti-saturation off R
L
= 8Ω 1.10 1.35
R
L
= 4Ω 2.3 2.5
f = 1kHz,
Anti-saturation on R
L
= 8Ω 1.0
R
L
= 4Ω 2.0
Total Harmonic Distortion Plus Noise THD+N
R
L
= 8Ω, P
O
= 0.85W, f = 1KHz 0.08
%
R
L
= 4Ω, P
O
= 1.75W, f = 1KHz 0.08
Power Supply Ripple Rejection PSRR
Input AC-GND, f = 1KHz,
V
PP
= 200mV, Gain =2V/V
-70 dB
Channel Separation CS P
O
= 1W, f = 1KHz -95 dB
Oscillator Frequency f
OSC
200 250 300 kHz
Efficiency η
P
O
= 1.7W, f =1 kHz, R
L
= 8Ω 85 89 %
P
O
= 3.0W, f =1 kHz, R
L
= 4Ω 80 83 %
Noise V
N
Input AC-GND
A-Weighting 220
µV
No A-Weighting 350
Signal Noise Ratio SNR f = 20 – 20kHz, THD = 1% 85 dB
Earphone Stage
Quiescent Current IQ No Load 4.5 7.5 mA
Output Offset Voltage V
OS
No Load 2.5 V
Output Power P
O
THD+N = 1%, R
L
= 32Ω, f = 1KHz 60 mW
Total Harmonic Distortion Plus Noise THD+N R
L
= 32Ω, P
O
= 10mW, f = 1kHz 0.02 %
Power Supply Ripple Rejection PSRR Input AC-GND, f = 1kHz, V
PP
= 200mV -75 dB
Channel Separation CS P
O
= 1W , f = 1kHz -85 dB
Noise V
N
Input
AC-GND A-Weighting 40
µV
No A-Weighting 70
Signal Noise Ratio SNR f = 20 – 20kHz, V
O
= 1V
RMS
85 dB
Control Section
Under Voltage Lock-Out UVLO 2
Mute Current I
MUTE
V
MUTE
= 0V 1 3 mA
Shutdown Current I
SHDN
V
SHDN
= 0V 1 µA
Ear/ Line Threshold Voltage V
TH
0.65
SHDN Input High V
SH
1.2
SHDN Input High V
SL
0.5
MUTE Input High V
MH
1.2
MUTE Input High V
ML
0.5
Over Temperature Protection OTP 140 °C
Over Temperature Hysteresis OTH 30 °C