MAX9766ETJ+ Maxim Integrated Products, MAX9766ETJ+ Datasheet - Page 10

• 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

750mW Audio Amplifiers with Headphone Amp,
Microphone Preamp, and Input Mux
(V
10
DD
0.001
0.001
0.001
0.01
0.01
0.01
100
0.1
0.1
0.1
10
1
1
1
______________________________________________________________________________________
= PV
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
10
vs. OUTPUT POWER (HEADPHONE MODE)
0
vs. FREQUENCY (HEADPHONE MODE)
vs. FREQUENCY (HEADPHONE MODE)
V
R
A
DD
L
V
DD
= 16Ω
= 1V/V
P
P
OUT
= 3V
OUT
20
= 5V, BW = 22Hz to 22kHz, T
= 10mW
f = 20Hz
100
= 10mW
100
OUTPUT POWER (mW)
40
FREQUENCY (Hz)
FREQUENCY (Hz)
f = 1kHz
1k
1k
60
P
P
OUT
OUT
P
= 5mW
P
= 5mW
OUT
80
OUT
f = 10kHz
= 20mW
10k
10k
= 20mW
V
R
A
V
R
A
DD
L
V
DD
L
V
100
= 32Ω
= 1V/V
= 32Ω
= 2V/V
= 5V
= 3V
100k
100k
120
A
= +25°C, unless otherwise noted.)
0.001
0.001
0.001
0.01
0.01
0.01
100
100
0.1
0.1
0.1
Typical Operating Characteristics (continued)
10
10
1
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
vs. OUTPUT POWER (HEADPHONE MODE)
vs. OUTPUT POWER (HEADPHONE MODE)
0
0
vs. FREQUENCY (HEADPHONE MODE)
V
R
A
V
R
A
P
DD
L
V
DD
L
V
OUT
= 16Ω
= 1V/V
= 16Ω
= 2V/V
= 5V
= 3V
20
20
= 10mW
100
f = 20Hz
f = 20Hz
OUTPUT POWER (mW)
OUTPUT POWER (mW)
40
40
FREQUENCY (Hz)
f = 1kHz
f = 1kHz
1k
60
60
P
OUT
= 5mW
f = 10kHz
P
80
80
OUT
10k
f = 10kHz
= 20mW
V
R
A
DD
L
V
100
100
= 32Ω
= 2V/V
= 5V
100k
120
120
0.001
0.001
0.01
0.01
160
140
120
100
100
0.1
0.1
80
60
40
20
10
0
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
vs. OUTPUT POWER (HEADPHONE MODE)
1
0
OUTPUT POWER vs. LOAD RESISTANCE
vs. FREQUENCY (HEADPHONE MODE)
V
R
A
DD
L
V
= 16Ω
= 2V/V
= 5V
P
20
OUT
100
10
(HEADPHONE MODE)
= 10mW
f = 20Hz
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
40
FREQUENCY (Hz)
f = 1kHz
THD+N = 10%
100
1k
60
P
THD+N = 1%
OUT
= 5mW
P
80
OUT
10k
1k
f = 10kHz
V
R
A
= 20mW
DD
L
V
V
100
= 32Ω
= 1V/V
CC
= 3V
= 5V
100k
10k
120