MAX9765ETJ+T Maxim Integrated Products, MAX9765ETJ+T Datasheet - Page 10
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MAX9765ETJ+T
Manufacturer Part Number
MAX9765ETJ+T
Description
IC AMP AUDIO .75W STER AB 32TQFN
Manufacturer
Maxim Integrated Products
Type
Class ABr
Datasheet
1.MAX9766ETJ.pdf
(33 pages)
Specifications of MAX9765ETJ+T
Output Type
2-Channel (Stereo) with Stereo Headphones
Max Output Power X Channels @ Load
750mW x 2 @ 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