MAX98307ETE+ Maxim Integrated, MAX98307ETE+ Datasheet - Page 10

• Manufacturer Part Number: MAX98307ETE+
• Description: Audio Amplifiers 3.3W Mono Class D Amplifier
• Manufacturer: Maxim Integrated

Specifications of MAX98307ETE+

• Rohs: yes
• Product: Class-D
• Output Type: Mono
• Output Power: 3.3 W
• Thd Plus Noise: 0.05 %
• Supply Current: 1.85 mA
• Maximum Power Dissipation: 1.667 W
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFN-16
• Common Mode Rejection Ratio (min): 65 dB

(V
R
IN-
PVDD
3.0
2.5
2.0
1.5
1.0
0.5
= 10kω, R
90
80
70
60
50
40
30
20
10
0
0
2.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0
= V
V
f
IN
3.3W Mono Class DG Multilevel Audio Amplifier
PVDD
EFFICIENCY vs. OUTPUT POWER
CC
= 1kHz
0.2
3.0
= 3.6V
FB+
= V
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
0.4
3.5
SHDN
= R
(MAX98308)
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FB-
0.6
4.0
= 3.6V, V
= 20kω), C
0.8
4.5
V
PVDD
f
IN
PGND
1.0
5.0
= 1kHz
= 3.6V
IN+
1.2
5.5
= V
= C
GND
IN-
= 0.33µF, AC measurement bandwidth 20Hz to 20kHz.)
400
350
300
250
200
150
100
= 0V, Z
90
80
70
60
50
40
30
20
10
50
Typical Operating Characteristics (continued)
0
0
2.5
0
EFFICIENCY vs. OUTPUT POWER
0.2
L
3.0
= 8ω + 68FH between OUT+ and OUT-, A
0.4
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
3.5
(MAX98308)
0.6
0.8
4.0
1.0
4.5
MAX98307/MAX98308
V
1.2
PVDD
f
IN
5.0
= 1kHz
1.4
= 4.2V
1.6
5.5
-10
-20
-30
-40
-50
-60
-70
-80
-90
90
80
70
60
50
40
30
20
10
0
0
10
0
EFFICIENCY vs. OUTPUT POWER
V
POWER-SUPPLY REJECTION
0.5
= 14.5dB (MAX98307 R
100
RATIO vs. FREQUENCY
OUTPUT POWER (W)
FREQUENCY (Hz)
(MAX98308)
1.0
1k
V
1.5
RIPPLE
10k
= 200mV
V
PVDD
2.0
f
IN
= 1kHz
= 5V
IN+
P-P
100k
2.5
=