MAX9760ETI+T Maxim Integrated Products, MAX9760ETI+T Datasheet - Page 9
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MAX9760ETI+T
Manufacturer Part Number
MAX9760ETI+T
Description
IC AMP AUDIO PWR 3W STER 28TQFN
Manufacturer
Maxim Integrated Products
Type
Class ABr
Datasheet
1.MAX9760EUI.pdf
(31 pages)
Specifications of MAX9760ETI+T
Output Type
2-Channel (Stereo) with Stereo Headphones
Max Output Power X Channels @ Load
3W x 2 @ 3 Ohm; 200mW x 2 @ 16 Ohm
Voltage - Supply
4.5 V ~ 5.5 V
Features
Depop, I²C, Input Multiplexer, Mute, Shutdown, Thermal Protection
Mounting Type
Surface Mount
Package / Case
28-TQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
(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