MAX9761ETI-T Maxim Integrated, MAX9761ETI-T Datasheet - Page 9

• Manufacturer Part Number: MAX9761ETI-T
• Description: Audio Amplifiers
• Manufacturer: Maxim Integrated

Specifications of MAX9761ETI-T

• Output Type: 2-Channel Stereo
• Output Power: 3 W x 2 at 3 Ohms, 0.2 W x 2 at 16 Ohms
• Thd Plus Noise: 0.01 % at 4 Ohms at 2 W, 0.002 % at 16 Ohms at 125 mW
• Operating Supply Voltage: 5 V
• Maximum Power Dissipation: 1667 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFN EP
• Audio Load Resistance: 32 Ohms
• Input Signal Type: Single
• Minimum Operating Temperature: - 40 C
• Output Signal Type: Differential, Single
• Supply Type: Single
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 4.5 V

(V
DD
100
600
500
400
300
200
100
40
50
60
70
80
90
0
= PV
10
1
OUTPUT POWER vs. LOAD RESISTANCE
vs. FREQUENCY (HEADPHONE MODE)
V
POWER-SUPPLY REJECTION RATIO
RIPPLE
DD
HP JACK
OUT_+
SHDN
= 200mV
= 5V, T
100
10
(HEADPHONE MODE)
LOAD RESISTANCE (Ω)
ENTERING SHUTDOWN (HEADPHONE MODE)
FREQUENCY (Hz)
R
INPUT AC-COUPLED TO GND
P-P
L
THD+N = 10%
= 16Ω
_______________________________________________________________________________________
A
THD+N = 1%
100
1k
= +25°C, unless otherwise noted.)
Stereo 3W Audio Power Amplifiers with
10k
1k
100ms/div
f = 1kHz
100k
10k
Headphone Drive and Input Mux
MAX9760 toc39
-100
-110
-120
120
100
-40
-50
-60
-70
-80
-90
80
60
40
20
Typical Operating Characteristics (continued)
0
POWER DISSIPATION vs. OUTPUT POWER
10
0
1V/div
2V/div
200mV/div
V
R
IN
L
= 16Ω
= 200mV
CROSSTALK vs. FREQUENCY
RIGHT TO LEFT
100
50
(HEADPHONE MODE)
(HEADPHONE MODE)
OUTPUT POWER (mW)
P-P
LEFT TO RIGHT
FREQUENCY (Hz)
100
1k
150
10k
HP JACK
R
f = 1kHz
L
OUT_+
= 16Ω
V
DD
100k
200
R
INPUT AC-COUPLED TO GND
L
= 16Ω
HP JACK
OUT_+
SHDN
EXITING POWER-DOWN
(HEADPHONE MODE)
70
60
50
40
30
20
10
0
POWER DISSIPATION vs. OUTPUT POWER
EXITING SHUTDOWN (HEADPHONE MODE)
0
R
INPUT AC-COUPLED TO GND
100ms/div
L
= 16Ω
20
(HEADPHONE MODE)
OUTPUT POWER (mW)
40
100ms/div
MAX9760 toc40
60
2V/div
1V/div
200mV/div
R
f = 1kHz
80
MAX9760 toc38
L
= 32Ω
100
2V/div
1V/div
200mV/div
9