max9702etit Maxim Integrated Products, Inc., max9702etit Datasheet - Page 8

• Manufacturer Part Number: max9702etit
• Description: Max9702 1.8w, Filterless, Stereo, Class D Audio Power Amplifier And Directdrive Stereo Headphone Amplifier
• Manufacturer: Maxim Integrated Products, Inc.

1.8W, Filterless, Stereo, Class D Audio Power
Amplifier and DirectDrive Stereo Headphone Amplifier
(V
8
DD
0.01
0.01
0.01
100
0.1
0.1
0.1
10
_______________________________________________________________________________________
10
10
1
1
NOISE vs. OUTPUT POWER (SPEAKER MODE)
1
= PV
NOISE vs. FREQUENCY (SPEAKER MODE)
10
NOISE vs. FREQUENCY (SPEAKER MODE)
10
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
R
TOTAL HARMONIC DISTORTION PLUS
V
R
V
R
OUTPUT POWER = 100mW
CC
L
DD
L
DD
L
f
DD
OUTPUT POWER = 200mW
= 8Ω
IN
= 4Ω
= 8Ω
= 3.3V
= 5V
= 5V
= 20Hz
300
f
IN
OUTPUT POWER = 400mW
= SHDN = 3.3V, GND = PGND = 0V, SYNC = V
100
100
= 10kHz
OUTPUT POWER (mW)
OUTPUT POWER = 1.6W
FREQUENCY (Hz)
FREQUENCY (Hz)
600
1k
1k
900
f
IN
= 1kHz
10k
10k
1200
100k
100k
1500
0.01
0.01
0.01
100
0.1
0.1
0.1
10
10
10
1
1
1
NOISE vs. OUTPUT POWER (SPEAKER MODE)
NOISE vs. FREQUENCY (SPEAKER MODE)
10
NOISE vs. FREQUENCY (SPEAKER MODE)
10
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
R
V
R
P
V
R
DD
L
DD
L
OUT
DD
L
= 8Ω
= 8Ω
= 4Ω
= 5V
= 5V
= 3.3V
f
= 800mW
IN
f
200
IN
= 1kHz
OUTPUT POWER = 200mW
100
100
= 20Hz
OUTPUT POWER = 800mW
DD
OUTPUT POWER (mW)
FREQUENCY (Hz)
FREQUENCY (Hz)
(SSM), speaker gain = 12dB.)
400
SSM
FFM
1k
1k
Typical Operating Characteristics
600
f
10k
10k
IN
= 10kHz
800
100k
100k
1000
0.01
0.01
0.01
100
100
0.1
0.1
0.1
10
10
10
1
NOISE vs. OUTPUT POWER (SPEAKER MODE)
1
NOISE vs. OUTPUT POWER (SPEAKER MODE)
1
NOISE vs. FREQUENCY (SPEAKER MODE)
10
0
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
R
V
R
V
R
CC
L
DD
L
DD
L
= 4Ω
= 4Ω
= 8Ω
OUTPUT POWER = 100mW
100
= 3.3V
= 5V
= 3.3V
0.5
f
f
100
IN
IN
OUTPUT POWER = 400mW
200
= 1kHz
= 10kHz
OUTPUT POWER (mW)
f
OUTPUT POWER (W)
IN
FREQUENCY (Hz)
= 20Hz
1.0
300
1k
400
f
IN
1.5
= 1kHz
f
500
IN
10k
f
= 10kHz
IN
2.0
= 20Hz
600
100k
700
2.5