MAX4409ETP+ Maxim Integrated Products, MAX4409ETP+ Datasheet - Page 5
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MAX4409ETP+
Manufacturer Part Number
MAX4409ETP+
Description
IC AMP AUDIO .08W STER AB 20TQFN
Manufacturer
Maxim Integrated Products
Series
DirectDrive™r
Type
Class ABr
Datasheet
1.MAX4409ETP.pdf
(20 pages)
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
(
C1 = C2 = 2.2µF, R
0.001
0.001
0.01
0.01
100
100
-30
-40
-50
-60
-70
-80
-90
0.1
0.1
-10
-20
10
10
1
1
0
10
0
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
f = 10kHz
R
V
f = 10kHz
R
POWER-SUPPLY REJECTION RATIO
V
V
R
DD
L
DD
L
DD
IN
L
OUTPUTS IN
PHASE
= 32Ω
= 16Ω
= 16Ω
= 1.8V
= 1.8V
= 200mV
10
= 1.8V
NOISE vs. OUTPUT POWER
OUTPUTS IN
PHASE
NOISE vs. OUTPUT POWER
100
10
OUTPUT POWER (W)
OUTPUT POWER (W)
vs. FREQUENCY
P-P
20
FREQUENCY (Hz)
IN
_______________________________________________________________________________________
= R
20
30
1k
F
80mW, DirectDrive, Stereo Headphone
= R1 = R2 = 10kΩ, THD+N measurement bandwidth = 22Hz to 22kHz, T
40
30
10k
OUTPUTS
OUT OF
PHASE
OUTPUTS
OUT OF
PHASE
Amplifier with Common-Mode Sense
50
100k
60
40
0.001
0.01
100
-90
-10
-20
-90
-10
-20
-30
-40
-50
-60
-70
-80
Typical Operating Characteristics (continued)
0.1
-30
-40
-50
-60
-70
-80
10
0
1
0
10
10
0
TOTAL HARMONIC DISTORTION PLUS
V
f = 20Hz
R
V
V
R
POWER-SUPPLY REJECTION RATIO
POWER-SUPPLY REJECTION RATIO
V
V
R
DD
L
DD
IN
L
DD
IN
L
= 32Ω
= 16Ω
= 32Ω
= 1.8V
= 200mV
= 200mV
= 3V
= 1.8V
OUTPUTS IN
PHASE
NOISE vs. OUTPUT POWER
100
100
10
OUTPUT POWER (W)
P-P
vs. FREQUENCY
vs. FREQUENCY
P-P
FREQUENCY (Hz)
FREQUENCY (Hz)
20
1k
1k
10k
OUTPUTS
OUT OF
PHASE
10k
30
100k
100k
40
0.001
0.01
100
0.1
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
10
-80
1
0
0
A
10
0
10
= +25°C, unless otherwise noted.
TOTAL HARMONIC DISTORTION PLUS
V
f = 1kHz
R
V
V
R
V
DD
L
POWER-SUPPLY REJECTION RATIO
DD
IN
L
IN
= 32Ω
OUTPUTS IN
PHASE
= 16Ω
= 1.8V
= 200mV
= 200mV
= 3V
CROSSTALK vs. FREQUENCY
NOISE vs. OUTPUT POWER
100
10
100
LEFT TO RIGHT
OUTPUT POWER (W)
P-P
P-P
vs. FREQUENCY
FREQUENCY (Hz)
FREQUENCY (Hz)
RIGHT TO LEFT
20
1k
1k
30
10k
OUTPUTS
OUT OF
PHASE
10k
100k
100k
)
40
5