MAX9766ETJ+ Maxim Integrated Products, MAX9766ETJ+ Datasheet - Page 9

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

Specifications of MAX9766ETJ+

• 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

(V
DD
0.001
0.01
0.1
1
= PV
TOTAL HARMONIC DISTORTION PLUS NOISE
10
vs. FREQUENCY (HEADPHONE MODE)
750mW Audio Amplifiers with Headphone Amp,
OUT_+ - OUT
OUT_+ - OUT
DD
P
OUT_+ AND
OUT_+ AND
OUT
= 5V, BW = 22Hz to 22kHz, T
= 50mW
100
SHDN
OUT
V
OUT
CC
FREQUENCY (Hz)
R
INPUT AC-COUPLED TO GND
C
R
INPUT AC-COUPLED TO GND
C
EXITING SHUTDOWN (SPEAKER MODE)
_______________________________________________________________________________________
L
P
L
BIAS
BIAS
OUT
= 8Ω
= 8Ω
1k
= 1µF
= 1µF
= 25mW
P
OUT
(SPEAKER MODE)
10k
= 10mW
POWER-UP
V
R
A
DD
L
V
200ms/div
200ms/div
= 16Ω
= 2V/V
= 5V
100k
Microphone Preamp, and Input Mux
A
= +25°C, unless otherwise noted.)
MAX9765 toc30
MAX9765 toc28
0.001
0.01
Typical Operating Characteristics (continued)
0.1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
10
vs. FREQUENCY (HEADPHONE MODE)
100mV/div
2V/div
500mV/div
2V/div
500mV/div
100mV/div
P
OUT
= 25mW
100
FREQUENCY (Hz)
P
OUT
1k
= 50mW
OUT_+ AND
100mV/div
500mV/div
P
OUT
OUT_+ -
10k
OUT_-
OUT_-
2V/div
0.001
V
R
A
0.01
= 10mW
V
DD
L
V
0.1
CC
= 16Ω
= 1V/V
1
TOTAL HARMONIC DISTORTION PLUS NOISE
= 3V
10
R
INPUT AC-COUPLED TO GND
vs. FREQUENCY (HEADPHONE MODE)
L
100k
= 8Ω
P
OUT
ENTERING POWER-DOWN
100
= 10mW
(SPEAKER MODE)
0.001
FREQUENCY (Hz)
0.01
0.1
1
200ms/div
P
TOTAL HARMONIC DISTORTION PLUS NOISE
OUT
10
1k
vs. FREQUENCY (HEADPHONE MODE)
= 25mW
P
OUT
P
OUT
= 25mW
100
10k
= 50mW
V
R
A
DD
L
V
FREQUENCY (Hz)
MAX9765 toc29
= 16Ω
= 1V/V
= 5V
1k
100k
P
OUT
= 10mW
P
OUT
10k
= 50mW
V
R
A
DD
L
V
= 16Ω
= 2V/V
= 3V
100k
9