max9777etit Maxim Integrated Products, Inc., max9777etit Datasheet - Page 10

• 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
10
(V
DD
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
= PV
DD
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
12
10
= 5V, GND = PGND = 0V, V
8
6
4
2
0
0
4.50
POWER DISSIPATION vs. OUTPUT POWER
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0
T
A
T
A
= +85°C
0.25
= -40°C
4.75
(HEADPHONE MODE)
SUPPLY VOLTAGE (V)
(SPEAKER MODE)
OUTPUT POWER (W)
0.50
5.00
0.75
1.00
T
A
5.25
= +25°C
SHDN
R
f = 1kHz
1.25
L
= 8Ω
= 5V, C
5.50
1.50
Typical Operating Characteristics (continued)
BIAS
= 1µF, T
A
= +25°C, unless otherwise noted.)
OUT_+ AND OUT_-
OUT_+ - OUT_-
1V/div
2V/div
1V/div
V
12
10
DD
8
6
4
2
0
4.50
SUPPLY CURRENT vs. SUPPLY VOLTAGE
T
A
T
A
= +85°C
= -40°C
EXITING POWER-DOWN
4.75
(HEADPHONE MODE)
SUPPLY VOLTAGE (V)
(SPEAKER MODE)
100ms/div
5.00
T
A
5.25
= +25°C
MAX9777/78 toc43
5.50