MAX4411ETP+ Maxim Integrated Products, MAX4411ETP+ Datasheet - Page 4

• 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

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