MAX9730 Maxim Integrated Products, MAX9730 Datasheet - Page 4

• Manufacturer Part Number: MAX9730
• Description: Class G Power Amplifier
• Manufacturer: Maxim Integrated Products

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2.4W, Single-Supply, Class G Power Amplifier
(V
10µF, R
unless otherwise noted. Typical values are at T
4
CC
0.001
0.001
0.01
0.01
-10
-20
-30
-40
-50
-60
-70
-80
-90
_______________________________________________________________________________________
0.1
0.1
10
10
0
= CPV
1
1
0.01
0.01
L
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
= 8Ω; speaker load resistors (R
V
POWER-SUPPLY REJECTION RATIO
CC
f
IN
DD
P
= 3V
= 1kHz
OUT
NOISE vs. OUTPUT POWER
NOISE vs. FREQUENCY
0.1
= SHDN = 3.6V, GND = CPGND = 0V, R
0.1
= 0.33W
P
f
OUT
IN
OUTPUT POWER (W)
vs. FREQUENCY
0.5
FREQUENCY (kHz)
FREQUENCY (kHz)
= 10kHz
= 0.69W
f
IN
= 20Hz
1
1
V
RIPPLE
1.0
= 200mV
10
10
V
CC
= 3V
P-P
100
100
1.5
L
) are terminated between OUT+ and OUT-, unless otherwise stated; T
A
0.001
0.001
0.01
0.01
= +25°C.) (Notes 1, 2)
0.1
0.1
10
10
70
60
50
40
30
20
10
1
1
0
0.01
0
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
CC
IN+
P
f
= 3.6V
IN
OUT
NOISE vs. OUTPUT POWER
P
= 1kHz
= R
OUT
NOISE vs. FREQUENCY
0.1
0.5
= 0.37W
POWER EFFICIENCY
vs. OUTPUT POWER
f
IN
= 0.93W
OUTPUT POWER (W)
OUTPUT POWER (W)
0.5
IN-
FREQUENCY (kHz)
= 10kHz
= 10kΩ, R
1.0
1
f
IN
Typical Operating Characteristics
= 20Hz
1.0
FB+
1.5
10
V
f
V
IN
CC
CC
= 1kHz
= R
= 3.6V
= 3V
FB-
100
2.0
1.5
= 10kΩ, R
0.001
0.001
0.01
0.01
0.1
0.1
10
10
70
60
50
40
30
20
10
1
1
0
0.01
0
FS
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
CC
= 100kΩ, C1 = 4.7µF, C2 =
f
IN
0.5
P
= 5V
= 1kHz
OUT
NOISE vs. OUTPUT POWER
NOISE vs. FREQUENCY
0.1
= 0.83W
P
POWER EFFICIENCY
vs. OUTPUT POWER
1.0
OUT
OUTPUT POWER (W)
OUTPUT POWER (W)
f
0.5
FREQUENCY (kHz)
IN
= 2.08W
= 10kHz
1.5
A
= T
1
f
IN
2.0
= 20Hz
MIN
1.0
to T
2.5
10
V
f
V
IN
CC
CC
MAX
= 1kHz
3.0
= 3.6V
= 5V
,
100
3.5
1.5