MAX9751 Maxim Integrated Products, Inc., MAX9751 Datasheet - Page 8

• Manufacturer Part Number: MAX9751
• Description: 2.6w Stereo Audio Power Amplifiers And Directdrive Headphone Amplifiers
• Manufacturer: Maxim Integrated Products, Inc.

2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
(Measurement BW = 22Hz to 22kHz, T
8
0.0001
0.001
0.001
1000
0.01
0.01
100
0.1
0.1
10
10
_______________________________________________________________________________________
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
10
0
vs. FREQUENCY (HEADPHONE MODE)
V
R
A
V
R
A
DD
L
V
DD
L
V
= 16Ω
= 3dB
= 32Ω
= 3dB
= 5V
25
= 5V
OUTPUT POWER = 10mW
100
- OUT_-
OUT_+
OUT_-
OUT_+
SHDN
OUTPUT POWER (mW)
OUTPUT POWER = 45mW
AND
50
FREQUENCY (Hz)
75
1k
R
L
= 8Ω
100
TURN-OFF RESPONSE
10k
(SPEAKER MODE)
125
20ms/div
A
100k
150
= +25°C, unless otherwise noted.)
0.0001
0.001
0.001
1000
MAX9750/51 toc17
0.01
0.01
100
0.1
Typical Operating Characteristics (continued)
10
0.1
10
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
vs. OUTPUT POWER (HEADPHONE MODE)
0
vs. FREQUENCY (HEADPHONE MODE)
V
R
A
V
R
A
DD
L
V
DD
L
V
= 32Ω
= 3dB
= 16Ω
= 3dB
5V/div
2V/div
20mV/div
= 5V
= 3.3V
20
OUTPUT POWER = 10mW
100
OUTPUT POWER (mW)
OUTPUT POWER = 30mW
FREQUENCY (Hz)
40
1k
60
10k
0.0001
0.001
0.01
80
0.1
10
1
TOTAL HARMONIC DISTORTION PLUS NOISE
10
vs. FREQUENCY (HEADPHONE MODE)
100k
100
V
R
A
DD
L
V
= 16Ω
= 3dB
= 5V
OUTPUT POWER = 30mW
100
0.0001
0.001
0.001
OUTPUT POWER = 90mW
1000
0.01
0.01
100
0.1
0.1
FREQUENCY (Hz)
10
10
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
10
0
vs. FREQUENCY (HEADPHONE MODE)
1k
V
R
A
V
R
A
DD
L
V
DD
L
V
= 16Ω
= 3dB
= 32Ω
= 3dB
= 3.3V
10
= 3.3V
OUTPUT POWER = 10mW
100
10k
OUTPUT POWER (mW)
OUTPUT POWER = 45mW
20
FREQUENCY (Hz)
30
1k
100k
40
10k
50
100k
60