max9701etgt Maxim Integrated Products, Inc., max9701etgt Datasheet - Page 5
max9701etgt
Manufacturer Part Number
max9701etgt
Description
Max9701 1.3w, Filterless, Stereo Class D Audio Power Amplifier
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX9701ETGT.pdf
(20 pages)
(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)).
1.0
= 4Ω
P-P
THD+N = 1%
4.0
1k
1.5
4.5
10k
V
f
2.0
IN
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
40
DD
= 3.3V
0.6
1k
60
0.8
10k
V
f
IN
f
DD
80
V
IN
1.0
= 1kHz
DD
= 1kHz
= 3.3V
= 5V
100k
1.2
100
5