MAX9766ETJ+T Maxim Integrated Products, MAX9766ETJ+T Datasheet - Page 8

• Manufacturer Part Number: MAX9766ETJ+T
• Description: IC AMP AUDIO .75W MONO AB 32TQFN
• Manufacturer: Maxim Integrated Products
• Type: Class ABr

Specifications of MAX9766ETJ+T

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 750mW x 1 @ 4 Ohm; 65mW x 2 @ 16 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, I²C, Input Multiplexer, Microphone, Mute, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

750mW Audio Amplifiers with Headphone Amp,
Microphone Preamp, and Input Mux
(V
8
DD
-100
0.30
0.25
0.20
0.15
0.10
0.05
-10
-20
-30
-40
-50
-60
-70
-80
-90
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
_______________________________________________________________________________________
0
0
0
= PV
POWER DISSIPATION vs. OUTPUT POWER
POWER DISSIPATION vs. OUTPUT POWER
10
0
0
V
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (SPEAKER MODE)
DD
DD
= 5V
= 5V, BW = 22Hz to 22kHz, T
0.25
0.15
100
(SPEAKER MODE)
(SPEAKER MODE)
OUTPUT POWER (W)
OUTPUT POWER (W)
FREQUENCY (Hz)
0.50
0.30
1k
0.75
0.45
10k
V
R
f = 1kHz
V
R
f = 1kHz
DD
L
DD
L
= 4Ω
= 8Ω
= 5V
= 3V
100k
1.00
0.60
A
= +25°C, unless otherwise noted.)
1200
1000
-100
800
600
400
200
-10
-20
-30
-40
-50
-60
-70
-80
-90
Typical Operating Characteristics (continued)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
0
-40
10
POWER DISSIPATION vs. OUTPUT POWER
0
V
OUTPUT POWER vs. TEMPERATURE
POWER-SUPPLY REJECTION RATIO
f = 1kHz
R
vs. FREQUENCY (SPEAKER MODE)
DD
THD+N = 10%
THD+N = 1%
L
= 4Ω
= 3V
0.15
-15
100
(SPEAKER MODE)
(SPEAKER MODE)
OUTPUT POWER (W)
TEMPERATURE (°C)
FREQUENCY (Hz)
0.30
10
1k
0.45
35
10k
0.60
60
V
R
f = 1kHz
DD
L
= 8Ω
= 5V
100k
0.75
85
OUT_+ AND
500mV/div
100mV/div
OUT_+ -
OUT_-
OUT_-
2V/div
SHDN
800
700
600
500
400
300
200
100
0.6
0.5
0.4
0.3
0.2
0.1
0
0
POWER DISSIPATION vs. OUTPUT POWER
-40
ENTERING SHUTDOWN (SPEAKER MODE)
0
R
INPUT AC-COUPLED TO GND
L
OUTPUT POWER vs. TEMPERATURE
f = 1kHz
R
THD+N = 1%
= 8Ω
THD+N = 10%
L
= 8Ω
-15
0.25
(SPEAKER MODE)
(SPEAKER MODE)
OUTPUT POWER (W)
TEMPERATURE (°C)
10
200ms/div
0.50
35
0.75
60
V
R
f = 1kHz
MAX9765 toc27
DD
L
= 4Ω
= 3V
1.00
85