MAX4411ETP+ Maxim Integrated Products, MAX4411ETP+ Datasheet - Page 5

• Manufacturer Part Number: MAX4411ETP+
• Description: IC AMP AUDIO .08W STER AB 20TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

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
0.001
0.001
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.01
0.01
100
100
0.1
0.1
10
10
0
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
0
0
V
R
f
V
R
f
OUTPUTS 180°
OUT OF PHASE
IN
IN
POWER-SUPPLY REJECTION RATIO
DD
L
DD
L
R
V
= 16Ω
= 10kHz
= 32Ω
= 10kHz
DD
L
= 1.8V
= 1.8V
= 32Ω
10
= 3V
10
100
vs. OUTPUT POWER
vs. OUTPUT POWER
OUTPUT POWER (mW)
OUTPUT POWER (mW)
vs. FREQUENCY
20
FREQUENCY (Hz)
OUTPUTS IN
PHASE
20
OUTPUTS IN
PHASE
_______________________________________________________________________________________
1k
30
ONE CHANNEL
DRIVEN
30
80mW, Fixed-Gain, DirectDrive, Stereo
ONE CHANNEL
DRIVEN
40
OUTPUTS 180°
OUT OF PHASE
10k
Headphone Amplifier with Shutdown
40
50
100k
60
50
-100
0.001
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
Typical Operating Characteristics (continued)
0.01
-10
-20
-30
-40
-50
-60
-70
-80
-90
100
0
0.1
10
0
1
TOTAL HARMONIC DISTORTION PLUS NOISE
10
10
0
V
V
R
R
POWER-SUPPLY REJECTION RATIO
POWER-SUPPLY REJECTION RATIO
V
R
f
DD
IN
DD
L
L
DD
L
= 16Ω
= 32Ω
= 20Hz
= 32Ω
OUTPUTS IN
PHASE
= 1.8V
= 3V
= 1.8V
10
100
100
vs. OUTPUT POWER
OUTPUT POWER (mW)
vs. FREQUENCY
vs. FREQUENCY
FREQUENCY (Hz)
FREQUENCY (Hz)
20
1k
1k
A
= +25°C, unless otherwise noted.
OUTPUTS 180°
OUT OF PHASE
ONE CHANNEL
DRIVEN
30
10k
10k
40
100k
100k
50
-100
0.001
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-120
-140
0.01
100
-20
-40
-60
-80
0.1
0
10
0
1
TOTAL HARMONIC DISTORTION PLUS NOISE
10
10
0
V
P
R
V
R
f
V
RIGHT TO LEFT
POWER-SUPPLY REJECTION RATIO
IN
R
DD
OUT
L
DD
L
DD
= 16Ω
L
= 32Ω
= 1kHz
OUTPUTS IN
PHASE
= 3V
= 1.8V
= 16Ω
CROSSTALK vs. FREQUENCY
= 1.6mW
= 1.8V
10
)
100
100
vs. OUTPUT POWER
OUTPUT POWER (mW)
vs. FREQUENCY
FREQUENCY (Hz)
FREQUENCY (Hz)
20
1k
LEFT TO RIGHT
1k
OUTPUTS 180°
OUT OF PHASE
ONE CHANNEL
DRIVEN
30
10k
10k
40
100k
100k
50
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