MAX4411ETP+ Maxim Integrated Products, MAX4411ETP+ Datasheet - Page 6

• 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
(
6
C1 = C2 = 2.2µF, THD+N measurement bandwidth = 22Hz to 22kHz, T
140
200
180
160
140
120
100
180
160
120
100
45
40
35
30
25
20
15
10
_______________________________________________________________________________________
80
60
40
20
80
60
40
20
5
0
0
0
1.8
1.8
10
OUTPUT POWER vs. LOAD RESISTANCE
OUTPUT POWER vs. SUPPLY VOLTAGE
OUTPUT POWER vs. SUPPLY VOLTAGE
f
R
THD+N = 1%
f
R
THD+N = 10%
IN
IN
L
L
= 1kHz
= 16Ω
= 1kHz
= 32Ω
INPUTS 180°
OUT OF PHASE
2.1
2.1
100
INPUTS IN
PHASE
LOAD RESISTANCE (Ω)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
2.4
2.4
OUT OF PHASE
INPUTS 180°
OUT OF PHASE
INPUTS 180°
2.7
2.7
1k
IN PHASE
3.0
3.0
INPUTS
IN PHASE
V
f
THD+N = 1%
IN
INPUTS
DD
10k
= 1kHz
= 1.8V
3.3
3.3
100k
3.6
3.6
Typical Operating Characteristics (continued)
300
250
200
150
100
140
160
120
100
50
80
60
40
20
70
60
50
40
30
20
10
0
0
0
1.8
10
10
OUTPUT POWER vs. LOAD RESISTANCE
OUTPUT POWER vs. LOAD RESISTANCE
OUTPUT POWER vs. SUPPLY VOLTAGE
f
R
THD+N = 10%
IN PHASE
IN
INPUTS
L
INPUTS 180°
OUT OF PHASE
= 1kHz
= 16Ω
2.1
100
100
LOAD RESISTANCE (Ω)
LOAD RESISTANCE (Ω)
SUPPLY VOLTAGE (V)
OUT OF PHASE
INPUTS IN
PHASE
2.4
INPUTS 180°
2.7
A
1k
1k
OUT OF PHASE
INPUTS 180°
= +25°C, unless otherwise noted.
3.0
V
f
THD+N = 1%
IN PHASE
IN
V
f
THD+N = 10%
INPUTS
DD
IN
DD
10k
10k
= 1kHz
= 1kHz
= 3V
= 1.8V
3.3
100k
100k
3.6
140
120
100
400
350
300
250
200
150
100
200
250
150
100
80
60
40
20
50
50
0
0
0
1.8
10
0
OUTPUT POWER vs. SUPPLY VOLTAGE
OUTPUT POWER vs. LOAD RESISTANCE
IN PHASE
f
R
THD+N = 1%
f
R
V
P
INPUTS
IN
IN
DD
OUT
L
L
= 1kHz
= 1kHz
= 32Ω
= 16Ω
2.1
= 3V
= P
40
)
100
POWER DISSIPATION
OUTL
OUT OF PHASE
vs. OUTPUT POWER
INPUTS 180°
OUTPUT POWER (mW)
SUPPLY VOLTAGE (V)
LOAD RESISTANCE (Ω)
2.4
+ P
80
OUT OF PHASE
OUTR
INPUTS 180°
2.7
1k
IN PHASE
120
INPUTS
OUT OF PHASE
3.0
INPUTS 180°
V
f
THD+N = 10%
IN PHASE
IN
DD
INPUTS
= 1kHz
10k
= 3V
160
3.3
100k
200
3.6