MAX4411ETP+ Maxim Integrated Products, MAX4411ETP+ Datasheet - Page 7

• 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
-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