MAX9701 MAXIM [Maxim Integrated Products], MAX9701 Datasheet - Page 5

• Manufacturer Part Number: MAX9701
• Description: 1.3W, Filterless, Stereo Class D Audio Power Amplifier
• Manufacturer: MAXIM [Maxim Integrated Products]

(V
DD
0.001
0.01
100
3.5
3.0
2.5
2.0
1.5
1.0
0.5
2.0
1.6
1.2
0.8
0.4
0.1
10
0
0
1
= PV
2.5
0
0
OUTPUT POWER vs. LOAD RESISTANCE
OUTPUT POWER vs. SUPPLY VOLTAGE
R
A
f
V
R
f
IN
IN
L
V
DD
L
DD
PLUS NOISE vs. OUTPUT POWER
= 4Ω
= 1kHz
= 12dB
TOTAL HARMONIC DISTORTION
= 8Ω
= 1kHz
SSM
= 5V
3.0
THD+N = 10%
THD+N = 1%
0.4
20
= SHDN = 3.3V, GND = PGND = 0V, SYNC = V
THD+N = 10%
LOAD RESISTANCE (Ω)
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
3.5
FFM
0.8
40
_______________________________________________________________________________________
4.0
THD+N = 1%
1.2
60
1.3W, Filterless, Stereo Class D Audio
4.5
1.6
80
f
IN
5.0
= 1kHz
100
5.5
2.0
-100
Typical Operating Characteristics (continued)
100
-10
-20
-30
-40
-50
-60
-70
-80
-90
2.0
1.6
1.2
0.8
0.4
90
80
70
60
50
40
30
20
10
0
0
0
2.5
10
0
OUTPUT POWER vs. SUPPLY VOLTAGE
R
A
f
V
R
IN
POWER-SUPPLY REJECTION RATIO
R
L
V
RIPPLE
L
EFFICIENCY vs. OUTPUT POWER
THD+N = 10%
L
= 8Ω
= 12dB
= 1kHz
= 8Ω
= 8Ω
3.0
0.5
= 100mV
100
DD
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
vs. FREQUENCY
3.5
R
FREQUENCY (Hz)
L
(SSM), gain = 6dB (GAIN1 = 0, GAIN2 = 1)).
P
1.0
= 4Ω
P-P
OUT
THD+N = 1%
4.0
1k
= P
OUTLEFT
1.5
4.5
+ P
10k
f
2.0
V
IN
OUTRIGHT
DD
5.0
= 1kHz
= 5V
100k
2.5
5.5
Power Amplifier
-100
100
-10
-20
-30
-40
-50
-60
-70
-80
-90
90
80
70
60
50
40
30
20
10
3.0
2.5
2.0
1.5
1.0
0.5
0
0
0
10
0
0
OUTPUT POWER vs. LOAD RESISTANCE
V
R
COMMON-MODE REJECTION RATIO
CM
L
EFFICIENCY vs. OUTPUT POWER
R
= 8Ω
L
V
0.2
= 100mV
= 8Ω
DD
THD+N = 10%
20
= 5V
100
R
THD+N = 1%
L
LOAD RESISTANCE (Ω)
= 4Ω
OUTPUT POWER (W)
vs. FREQUENCY
0.4
P-P
FREQUENCY (Hz)
V
P
40
DD
OUT
= 3.3V
0.6
1k
= P
OUTLEFT
60
0.8
10k
+ P
V
f
DD
f
IN
OUTRIGHT
80
V
IN
1.0
DD
= 1kHz
= 3.3V
= 1kHz
= 5V
100k
1.2
100
5