MAX4411ETP+ Maxim Integrated Products, MAX4411ETP+ Datasheet - Page 7
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MAX4411ETP+
Manufacturer Part Number
MAX4411ETP+
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+
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
Product
General Purpose Audio Amplifiers
Output Power
80 mW
Thd Plus Noise
0.007 %
Operating Supply Voltage
1.8 V to 3.6 V
Supply Current
3.2 mA
Maximum Power Dissipation
1349 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Supply Voltage (max)
3.6 V
Supply Voltage (min)
1.8 V
Amplifier Class
AB
No. Of Channels
2
Supply Voltage Range
1.8V To 3.6V
Load Impedance
16ohm
Operating Temperature Range
-40°C To +85°C
Amplifier Case Style
TQFN
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
(
C1 = C2 = 2.2µF, THD+N measurement bandwidth = 22Hz to 22kHz, T
-100
-120
180
160
140
120
100
-10
-15
-20
-25
-30
-20
-40
-60
-80
10
80
60
40
20
-5
5
0
0
0
10
0.1
0
V
R
OUTPUT SPECTRUM vs. FREQUENCY
DD
L
IN PHASE
GAIN FLATNESS vs. FREQUENCY
= 16Ω
INPUTS
f
R
V
P
IN
A
= 3V
L
DD
OUT
V
100
= 1kHz
= 32Ω
40
= -1.5V/V
= 3V
= P
POWER DISSIPATION
vs. OUTPUT POWER
OUTPUT POWER (mW)
OUTL
FREQUENCY (kHz)
FREQUENCY (Hz)
1
1k
80
+ P
_______________________________________________________________________________________
A
V
OUTR
= -2V/V
OUT OF PHASE
INPUTS 180°
10k
120
80mW, Fixed-Gain, DirectDrive, Stereo
10
V
f
R
IN
OUT
L
Headphone Amplifier with Shutdown
= 1kHz
= 32Ω
100k
160
= 1V
P-P
200
1M
100
140
120
100
Typical Operating Characteristics (continued)
80
60
40
20
10
10
0
8
6
4
2
0
8
6
4
2
0
1.8
0
0
CHARGE-PUMP OUTPUT RESISTANCE
f
R
V
P
IN
V
I
NO LOAD
DD
OUT
L
PVSS
IN_
= 1kHz
= 16Ω
= 1.8V
10
2.1
= P
= GND
= 10mA
vs. SUPPLY VOLTAGE
vs. SUPPLY VOLTAGE
0.9
POWER DISSIPATION
OUTL
vs. OUTPUT POWER
OUTPUT POWER (mW)
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
20
2.4
+ P
OUTR
30
2.7
1.8
A
= +25°C, unless otherwise noted.
40
3.0
OUT OF PHASE
INPUTS 180°
IN PHASE
INPUTS
2.7
50
3.3
60
3.6
3.6
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
10
0
0
8
6
4
2
0
10
0
0
CAPACITANCE AND LOAD RESISTANCE
SHDNL = SHDNR = GND
OUTPUT POWER vs. CHARGE-PUMP
C1 = C2 = 0.68μF
C1 = C2 = 2.2μF
f
R
V
P
IN
SHUTDOWN SUPPLY CURRENT
DD
OUT
L
IN PHASE
10
INPUTS
C1 = C2 = 0.47μF
= 1kHz
= 32Ω
= 1.8V
= P
)
POWER DISSIPATION
20
0.9
vs. SUPPLY VOLTAGE
vs. OUTPUT POWER
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
OUTL
SUPPLY VOLTAGE (V)
20
+ P
OUTR
30
30
1.8
C1 = C2 = 1μF
OUT OF PHASE
INPUTS IN PHASE
INPUTS 180°
40
THD+N = 1%
2.7
40
f
IN
50
= 1kHz
60
3.6
50
7