MAX9759 Maxim Integrated Products, MAX9759 Datasheet - Page 7

• Manufacturer Part Number: MAX9759
• Description: 3.2W High-Efficiency Low-EMI Filterless Class D Audio Amplifier
• Manufacturer: Maxim Integrated Products

(V
THD+N measurement bandwidth: 22Hz to 22kHz. Typical values are at T
DD
= PV
DD
= SHDN = MUTE = 5V, GND = PGND = 0V, SYNC = V
0.001
3.2W, High Efficiency, Low-EMI, Filterless,
0.01
100
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.1
10
0
0
1
TOTAL HARMONIC DISTORTION PLUS NOISE
3.0
1
_______________________________________________________________________________________
0
V
R
f
P
DIFF INPUT
IN
R
f
IN
DD
L
OUT
L
= 8Ω
= 1kHz
vs. COMMON-MODE VOLTAGE
= 4Ω
= 1kHz
= 5V
= 300mW
3.5
COMMON-MODE VOLTAGE (V)
THD+N = 10%
vs. LOAD RESISTANCE
vs. SUPPLY VOLTAGE
1
LOAD RESISTANCE (Ω)
1% THD+N
SUPPLY VOLTAGE (V)
OUTPUT POWER
OUTPUT POWER
4.0
10
2
THD+N = 1%
4.5
10% THD+N
V
f
IN
3
5.0
DD
= 1kHz
= 5V
Typical Operating Characteristics (continued)
100
5.5
4
Class D Audio Amplifier
DD
(SSM), unless otherwise noted. Gain = 12dB (G1 = 0, G2 = 1).
A
= +25°C.) (See Typical Operating Circuit)
0.001
0.01
100
0.1
2.5
2.0
1.5
1.0
0.5
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
10
1
0
0
TOTAL HARMONIC DISTORTION PLUS NOISE
3.0
0
1
V
V
V
R
R
R
f
f
f
P
P
P
DIFF INPUT
DIFF INPUT
DIFF INPUT
R
f
IN
IN
IN
IN
DD
DD
DD
L
L
L
OUT
OUT
OUT
L
= 8Ω
= 8Ω
= 8Ω
= 1kHz
= 1kHz
= 1kHz
vs. COMMON-MODE VOLTAGE
= 8Ω
= 1kHz
= 5V
= 5V
= 3.3V
= 300mW
= 300mW
= 300mW
3.5
COMMON-MODE VOLTAGE (V)
THD+N = 10%
vs. LOAD RESISTANCE
vs. SUPPLY VOLTAGE
1% THD+N
1
LOAD RESISTANCE (Ω)
SUPPLY VOLTAGE (V)
OUTPUT POWER
OUTPUT POWER
4.0
10
2
10% THD+N
4.5
THD+N = 1%
3
V
f
IN
5.0
DD
= 1kHz
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= 3.3V
100
5.5
4
7