max9777etit Maxim Integrated Products, Inc., max9777etit Datasheet - Page 6

• Manufacturer Part Number: max9777etit
• Description: Max9777, Max9778 Stereo 3w Audio Power Amplifiers With Headphone Drive And Input Mux
• Manufacturer: Maxim Integrated Products, Inc.

Stereo 3W Audio Power Amplifiers with
Headphone Drive and Input Mux
(V
6
DD
0.001
0.01
100
0.1
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
10
OUTPUT POWER vs. AMBIENT TEMPERATURE
1
4
3
2
1
0
= PV
TOTAL HARMONIC DISTORTION PLUS NOISE
-40
0
vs. OUTPUT POWER (SPEAKER MODE)
f = 1kHz
R
A
R
L
V
L
THD+N = 1%
THD+N = 10%
DD
= 3Ω
= 4Ω
= 4V/V
0.5
-15
= 5V, GND = PGND = 0V, V
AMBIENT TEMPERATURE (°C)
f = 1kHz
f = 20Hz
1.0
(SPEAKER MODE)
OUTPUT POWER (W)
5
4
3
2
1
0
1
OUTPUT POWER vs. LOAD RESISTANCE
10
1.5
f = 10kHz
2.0
10
35
THD+N = 10%
LOAD RESISTANCE (Ω)
(SPEAKER MODE)
THD+N = 1%
2.5
100
60
3.0
1k
3.5
85
SHDN
10k
f = 1kHz
0.001
= 5V, C
0.01
100
Typical Operating Characteristics (continued)
0.1
10
OUTPUT POWER vs. AMBIENT TEMPERATURE
1
4
3
2
1
0
TOTAL HARMONIC DISTORTION PLUS NOISE
100k
-40
0
vs. OUTPUT POWER (SPEAKER MODE)
A
R
f = 1kHz
R
THD+N = 10%
V
L
L
BIAS
= 4Ω
= 2V/V
= 8Ω
THD+N = 1%
-15
AMBIENT TEMPERATURE (°C)
f = 20Hz
0.5
= 1µF, T
f = 1kHz
(SPEAKER MODE)
OUTPUT POWER (W)
10
f = 10kHz
1.0
A
= +25°C, unless otherwise noted.)
35
1.5
60
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
2.0
POWER DISSIPATION vs. OUTPUT POWER
85
0
0.5
0.001
0.01
100
0.1
2.0
1.5
1.0
0.5
10
OUTPUT POWER vs. AMBIENT TEMPERATURE
1
0
(SPEAKER MODE)
OUTPUT POWER (W)
TOTAL HARMONIC DISTORTION PLUS NOISE
-40
0
vs. OUTPUT POWER (SPEAKER MODE)
1.0
A
R
f = 1kHz
R
V
L
L
THD+N = 10%
THD+N = 1%
= 4V/V
= 8Ω
= 8Ω
-15
AMBIENT TEMPERATURE (°C)
f = 1kHz
f = 20Hz
1.5
0.5
(SPEAKER MODE)
OUTPUT POWER (W)
10
R
f = 1kHz
2.0
f = 10kHz
L
1.0
= 4Ω
35
2.5
1.5
60
2.0
85