MAX9751 Maxim Integrated Products, Inc., MAX9751 Datasheet - Page 7

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

(Measurement BW = 22Hz to 22kHz, T
5
4
3
2
1
0
POWER DISSIPATION vs. OUTPUT POWER
0
V
f = 1kHz
P
DD
OUT
= 5V
= P
OUTL
-100
-120
-110
1
-20
-40
-60
-70
-80
-90
-10
-30
-50
(SPEAKER MODE)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
R
OUTPUT POWER (W)
0
0
L
+ P
= 4Ω
vs. LOAD RESISTANCE (SPEAKER MODE)
10
1
OUTR
2.6W Stereo Audio Power Amplifiers and
_______________________________________________________________________________________
V
V
R
CC
RIPPLE
L
THD+N = 1%
= 4Ω
2
= 5V
CROSSTALK vs. FREQUENCY
R
L
= 200mV
LEFT TO RIGHT
100
= 8Ω
LOAD RESISTANCE (Ω)
(SPEAKER MODE)
OUTPUT POWER
FREQUENCY (Hz)
THD+N = 10%
3
RIGHT TO LEFT
P-P
10
1k
DirectDrive Headphone Amplifiers
A
4
= +25°C, unless otherwise noted.)
10k
Typical Operating Characteristics (continued)
5
4
3
2
1
0
POWER DISSIPATION vs. OUTPUT POWER
0
100k
100
V
f = 1kHz
P
MAX9750C
DD
OUT
0.5
= 5V
= P
1.0
OUTL
(SPEAKER MODE)
OUTPUT POWER (W)
+ P
1.5
R
L
OUTR
= 8Ω
2.0
R
L
= 4Ω
2.5
3.0
- OUT_-
OUT_+
OUT_+
OUT_-
SHDN
AND
3.0
2.5
2.0
1.5
1.0
0.5
0
3.5
vs. LOAD RESISTANCE (SPEAKER MODE)
1
4.0
R
L
= 8Ω
THD+N = 1%
TURN-ON RESPONSE
LOAD RESISTANCE (Ω)
(SPEAKER MODE)
-100
OUTPUT POWER
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
10
20ms/div
THD+N = 10%
V
A
OUTPUT REFERRED
POWER-SUPPLY REJECTION RATIO
RIPPLE
V
vs. FREQUENCY (SPEAKER MODE)
10
= 10.5dB
= 200mV
100
V
f = 1kHz
A
MAX9750C
CC
V
FREQUENCY (Hz)
MAX9750/51 toc16
= 10.5dB
P-P
= 5V
1k
100
5V/div
2V/div
100mV/div
10k
100k
7