MAX4409ETP+ Maxim Integrated Products, MAX4409ETP+ Datasheet - Page 3
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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
ELECTRICAL CHARACTERISTICS (continued)
(V
T
Note 2: All specifications are 100% tested at T
Note 3: Inputs are connected to ground and COM.
Note 4: Inputs are AC-coupled to ground. COM is connected to ground.
(
Total Harmonic Distortion
Plus Noise
Signal-to-Noise Ratio (Note 4)
Slew Rate
Maximum Capacitive Load
Crosstalk
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
ESD Protection
C1 = C2 = 2.2µF, R
MAX
PVDD
0.001
0.01
0.1
, unless otherwise noted. Typical values are at T
1
10
= V
TOTAL HARMONIC DISTORTION PLUS
V
R
DD
L
PARAMETER
SVDD
= 16Ω
= 3V
P
OUT
100
NOISE vs. FREQUENCY
= 10mW
= 3V, V
FREQUENCY (Hz)
IN
_______________________________________________________________________________________
= R
P
1k
OUT
PGND
F
= 60mW
80mW, DirectDrive, Stereo Headphone
= R1 = R2 = 10kΩ, THD+N measurement bandwidth = 22Hz to 22kHz, T
= V
10k
Amplifier with Common-Mode Sense
SGND
SYMBOL
THD+N
100k
SNR
SR
C
= 0, SHDN = SV
L
A
0.001
0.01
= +25°C; temperature limits are guaranteed by design.
0.1
f
R
No sustained oscillations
R
Human Body Model (OUTR, OUTL)
IN
1
L
L
= 1kHz
= 32Ω, P
= 16Ω, P
A
10
TOTAL HARMONIC DISTORTION PLUS
V
R
= +25°C.) (Note 2)
DD
L
P
= 32Ω
OUT
= 3V
DD
= 10mW
100
, C1 = C2 = 2.2µF, R
NOISE vs. FREQUENCY
OUT
OUT
P
OUT
FREQUENCY (Hz)
CONDITIONS
= 20mW, f
= 1.6mW, f
= 50mW
1k
Typical Operating Characteristics
IN
IN
10k
= 1kHz
= 10kHz
R
P
R
P
L
OUT
L
OUT
IN
= 32Ω,
= 16Ω,
= R
100k
= 50mW
= 60mW
F
= R1 = R2 = 10kΩ, R
0.001
0.01
0.1
1
A
10
= +25°C, unless otherwise noted.
TOTAL HARMONIC DISTORTION PLUS
V
R
P
MIN
DD
L
OUT
= 16Ω
= 1.8V
= 5mW
100
NOISE vs. FREQUENCY
0.002
0.005
TYP
150
140
FREQUENCY (Hz)
0.8
±8
95
55
15
L
P
1k
OUT
= ∞, T
MAX
= 15mW
A
10k
= T
UNITS
V/µs
MIN
dB
dB
pF
°C
°C
kV
%
100k
)
to
3