Datasheet

MAX9715
2.8W, Low-EMI, Stereo, Filterless Class D
Audio Amplifier
_______________________________________________________________________________________ 5
0
-20
-100
0.01 0.1 10 100
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
-90
-70
-80
-40
-60
-10
-30
-50
MAX9715toc10
FREQUENCY (Hz)
PSRR (dB)
1
R
L
= 8Ω
CROSSTALK
vs. FREQUENCY
MAX9715 toc11
FREQUENCY (kHz)
CROSSTALK (dB)
1010.1
-100
-80
-60
-40
-20
0
-120
0.01
100
P
OUT
= 1W
R
L
= 8
Ω
A
V
= +10.5dB
f
IN
= 10kHz
RIGHT TO LEFT
LEFT TO RIGHT
-140
-110
-120
-130
-90
-100
-50
-60
-70
-80
-40
0 5 10 15 20
OUTPUT SPECTRUM
vs. FREQUENCY
MAX9715toc12
FREQUENCY (kHz)
AMPLITUDE (dBV)
R
L
= 8Ω
V
DD
= 5V
f
IN
= 1kHz
-140
-110
-120
-130
-90
-100
-50
-60
-70
-80
-40
0 5 10 15 20
OUTPUT SPECTRUM
vs. FREQUENCY (A-WEIGHTED)
MAX9715toc13
FREQUENCY (kHz)
AMPLITUDE (dBV)
R
L
= 8Ω
V
DD
= 5V
f
IN
= 1kHz
WIDEBAND SPECTRUM
MAX9715 toc14
FREQUENCY (MHz)
AMPLITUDE (dBV)
10010
-100
-80
-60
-40
-20
0
-120
1 1000
V
DD
= 5V
INPUTS AC GROUNDED
R
L
= 8
Ω
0
6
4
2
10
8
18
16
14
12
20
4.5 4.8 5.0 5.3 5.5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9715toc15
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
NO LOAD
INPUTS AC GROUNDED
Typical Operating Characteristics (continued)
(V
DD
= 5.0V, C
VDD
= 3 x 0.1μF, C
BIAS
= 1μF, C
INL
= C
INR
= 1μF, A
V
= +10.5dB, T
A
= +25°C, unless otherwise noted.) (See the
Typical Operating Circuit/Functional Diagram )