MAX4411ETP+T Maxim Integrated Products, MAX4411ETP+T Datasheet - Page 4
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MAX4411ETP+T
Manufacturer Part Number
MAX4411ETP+T
Description
IC AMP AUDIO .08W STER AB 20TQFN
Manufacturer
Maxim Integrated Products
Series
DirectDrive™r
Type
Class ABr
Datasheet
1.MAX4411EBET.pdf
(18 pages)
Specifications of MAX4411ETP+T
Output Type
Headphones, 2-Channel (Stereo)
Max Output Power X Channels @ Load
80mW x 2 @ 16 Ohm
Voltage - Supply
1.8 V ~ 3.6 V
Features
Depop, Short-Circuit and Thermal Protection, Shutdown
Mounting Type
Surface Mount
Package / Case
20-TQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
80mW, Fixed-Gain, DirectDrive, Stereo
Headphone Amplifier with Shutdown
4
(
C1 = C2 = 2.2µF, THD+N measurement bandwidth = 22Hz to 22kHz, T
0.001
0.001
0.001
0.01
0.01
0.01
100
100
_______________________________________________________________________________________
0.1
0.1
0.1
10
10
1
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
0
0
V
R
V
R
f
OUTPUTS 180°
OUT OF PHASE
V
R
f
IN
IN
DD
L
DD
L
DD
L
= 32Ω
= 16Ω
= 10kHz
= 32Ω
= 10kHz
OUTPUTS 180°
OUT OF PHASE
= 1.8V
= 3V
= 3V
P
OUT
25
100
50
= 20mW
vs. OUTPUT POWER
vs. OUTPUT POWER
OUTPUT POWER (mW)
OUTPUT POWER (mW)
P
vs. FREQUENCY
OUT
FREQUENCY (Hz)
OUTPUTS IN
PHASE
50
P
= 10mW
OUT
OUTPUTS IN
PHASE
100
1k
= 5mW
75
ONE CHANNEL
DRIVEN
ONE CHANNEL
DRIVEN
150
10k
100
100k
200
125
0.001
0.001
0.001
0.01
0.01
0.01
Typical Operating Characteristics (continued)
100
100
100
0.1
0.1
0.1
10
10
10
1
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
0
0
0
V
R
f
V
R
f
V
R
f
OUTPUTS 180°
OUT OF PHASE
OUTPUTS 180°
OUT OF PHASE
IN
IN
IN
OUTPUTS 180°
OUT OF PHASE
DD
L
DD
L
DD
L
= 16Ω
= 20Hz
= 32Ω
= 20Hz
= 16Ω
= 20Hz
= 3V
= 1.8V
= 3V
10
25
50
vs. OUTPUT POWER
vs. OUTPUT POWER
vs. OUTPUT POWER
OUTPUT POWER (mW)
OUTPUT POWER (mW)
OUTPUT POWER (mW)
20
OUTPUTS IN
PHASE
OUTPUTS IN
PHASE
OUTPUTS IN
PHASE
50
100
30
A
= +25°C, unless otherwise noted.
75
ONE CHANNEL
DRIVEN
ONE CHANNEL
DRIVEN
40
ONE CHANNEL
DRIVEN
150
100
50
200
125
60
0.001
0.001
0.001
0.01
0.01
0.01
100
100
100
0.1
0.1
0.1
10
10
10
1
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
0
0
0
V
R
f
V
R
f
V
R
f
OUTPUTS 180°
OUT OF PHASE
IN
IN
OUTPUTS 180°
OUT OF PHASE
IN
DD
L
DD
L
DD
L
= 32Ω
= 1kHz
= 16Ω
= 1kHz
= 16Ω
= 1kHz
= 3V
= 3V
= 1.8V
10
25
)
50
vs. OUTPUT POWER
vs. OUTPUT POWER
vs. OUTPUT POWER
OUTPUT POWER (mW)
OUTPUT POWER (mW)
OUTPUT POWER (mW)
20
OUTPUTS IN
PHASE
OUTPUTS IN
PHASE
OUTPUTS IN
PHASE
50
100
30
75
ONE CHANNEL
DRIVEN
ONE CHANNEL
DRIVEN
OUTPUTS 180°
OUT OF PHASE
40
ONE CHANNEL
DRIVEN
150
100
50
200
125
60