MAX4409ETP+ Maxim Integrated Products, MAX4409ETP+ Datasheet - Page 4

• Manufacturer Part Number: MAX4409ETP+
• Description: IC AMP AUDIO .08W STER AB 20TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX4409ETP+

• 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
• Common Mode Rejection Ratio (min): 96 dB
• Thd Plus Noise: 0.002 %
• Operating Supply Voltage: 1.8 V to 3.6 V
• Supply Current: 5 mA
• Maximum Power Dissipation: 2051 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Input Bias Current (max): 0 nA
• Input Offset Voltage: 0.5 mV
• Input Signal Type: Differential
• 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, DirectDrive, Stereo Headphone
Amplifier with Common-Mode Sense
(
4
C1 = C2 = 2.2µF, R
0.001
0.01
0.001
0.001
0.1
0.01
0.01
_______________________________________________________________________________________
100
100
0.1
0.1
1
10
10
1
1
10
0
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
R
V
f = 10kHz
R
V
f = 10kHz
R
DD
L
DD
L
DD
L
P
= 16Ω
= 32Ω
= 32Ω
OUT
= 1.8V
= 3V
= 3V
30
20
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
= 5mW
OUTPUTS IN
PHASE
100
NOISE vs. FREQUENCY
OUTPUTS
OUT OF
PHASE
OUTPUTS IN
PHASE
OUTPUT POWER (W)
OUTPUT POWER (W)
60
40
FREQUENCY (Hz)
IN
= R
1k
90
60
P
OUT
F
= R1 = R2 = 10kΩ, THD+N measurement bandwidth = 22Hz to 22kHz, T
= 15mW
120
80
10k
OUTPUTS
OUT OF
PHASE
150
100
100k
180
120
0.0001
0.001
0.001
0.001
Typical Operating Characteristics (continued)
0.01
0.01
0.01
100
100
100
0.1
0.1
0.1
10
10
10
1
1
1
0
0
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
f = 20Hz
R
V
f = 20Hz
R
V
f = 20Hz
R
DD
L
DD
L
DD
L
OUTPUTS IN
PHASE
= 16Ω
= 16Ω
= 32Ω
OUTPUTS IN
PHASE
OUTPUTS
IN PHASE
= 3V
= 1.8V
= 3V
10
30
20
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
OUTPUT POWER (W)
OUTPUT POWER (W)
OUTPUT POWER (W)
20
60
40
90
30
60
120
80
40
OUTPUTS
OUT OF
PHASE
OUTPUTS
OUT OF
PHASE
OUTPUTS
OUT OF
PHASE
150
100
50
180
120
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
A
0
0
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
= +25°C, unless otherwise noted.
V
f = 1kHz
R
V
f = 1kHz
R
OUTPUTS IN
PHASE
V
f = 1kHz
R
DD
L
DD
L
DD
L
= 32Ω
= 16Ω
= 16Ω
OUTPUTS IN
PHASE
= 3V
= 3V
= 1.8V
10
30
20
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
OUTPUTS IN
PHASE
NOISE vs. OUTPUT POWER
OUTPUT POWER (W)
OUTPUT POWER (W)
OUTPUT POWER (W)
40
60
20
60
90
30
120
80
40
OUTPUTS
OUT OF
PHASE
OUTPUTS
OUT OF
PHASE
OUTPUTS
OUT OF
PHASE
100
150
50
180
120
60
)