max98306 Maxim Integrated Products, Inc., max98306 Datasheet - Page 6

• Manufacturer Part Number: max98306
• Description: Stereo 3.7w Class D Amplifier
• Manufacturer: Maxim Integrated Products, Inc.

Stereo 3.7W Class D Amplifier
(V
bandwidth, T
6
PVDD
100
100
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
______________________________________________________________________________________
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
2.5
10
0
OUTPUT POWER vs. SUPPLY VOLTAGE
= V
V
COMMON-MODE REJECTION RATIO
PVDD
f = 1kHz
Z
Z
LOAD
EFFICIENCY vs. OUTPUT POWER
LOAD
0.5
SHDN
3.0
= 3.7V
A
= 3I + 22µH
= 8I + 68µH
100
1.0
= +25NC, unless otherwise noted.)
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
= 5.0V, V
3.5
vs. FREQUENCY
THD+N = 10%
FREQUENCY (Hz)
1.5
Z
LOAD
4.0
2.0
1k
THD+N = 1%
= 4I + 33µH
PGND
Z
2.5
LOAD
4.5
V
10k
= 3I + 22µH
3.0
PVDD
= 0V, A V = 12dB, R
5.0
= 5.0V
3.5
100k
5.5
4.0
100
-10
-20
-30
-40
Typical Operating Characteristics (continued)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
2.5
10
10
L
SUPPLY CURRENT vs. SUPPLY VOLTAGE
= J, R
V
V
Z
LOAD
RIPPLE
PVDD
3.0
POWER-SUPPLY REJECTION
= 8I + 68µH
= 3.7V
RATIO vs. FREQUENCY
100
= 200mV
100
GAIN vs. FREQUENCY
L
connected between OUT_+ to OUT_-, 20Hz to 22kHz AC measurement
SUPPLY VOLTAGE (V)
3.5
FREQUENCY (Hz)
FREQUENCY (Hz)
P-P
4.0
1k
1k
4.5
10k
10k
5.0
100k
100k
5.5
-100
-120
-140
-100
100
-20
-40
-60
-80
-20
-40
-60
-80
90
80
70
60
50
40
30
20
10
20
0
0
0
0.1
10
0
Z
EFFICIENCY vs. OUTPUT POWER
LOAD
CROSSTALK vs. FREQUENCY
WIDEBAND vs. FREQUENCY
= 8I + 68µH
100
0.5
OUTPUT POWER (W)
FREQUENCY (MHz)
FREQUENCY (Hz)
1
Z
LOAD
1.0
1k
= 4I + 33µH
LEFT TO RIGHT
Z
LOAD
10
RIGHT TO LEFT
V
= 3I + 22µH
10k
1.5
PVDD
= 3.7V
100k
100
2.0