MAX9742ETX+ Maxim Integrated Products, MAX9742ETX+ Datasheet - Page 15

IC AMP AUDIO PWR 20.5W D 36TQFN

MAX9742ETX+

Manufacturer Part Number
MAX9742ETX+
Description
IC AMP AUDIO PWR 20.5W D 36TQFN
Manufacturer
Maxim Integrated Products
Type
Class Dr
Datasheet

Specifications of MAX9742ETX+

Output Type
2-Channel (Stereo)
Max Output Power X Channels @ Load
20.5W x 2 @ 8 Ohm
Voltage - Supply
20 V ~ 40 V, ±10 V ~ 20 V
Features
Depop, Differential Inputs, Mute, Short-Circuit and Thermal Protection, Shutdown
Mounting Type
Surface Mount
Package / Case
36-TQFN Exposed Pad
Product
Class-D
Output Power
16 W
Thd Plus Noise
0.08 %
Supply Current
15 mA
Maximum Power Dissipation
2.86 W
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Audio Load Resistance
4 Ohms
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Figure 3a. MAX9742 Output with an Applied Input Signal
Figure 3b. MAX9742 Output with Resulting Output After Filtering
INTERNAL TRIANGLE
WAVE OSCILLATOR
NOTE: FOR CLARITY, SIGNAL PERIODS ARE NOT SHOWN TO ACTUAL SCALE.
AVERAGE VALUE
OF V
INPUT
SIGNAL
V
OUT_
OUT_
V
OUT_
Class D Amplifier with Differential Inputs
______________________________________________________________________________________
NOTE: FOR CLARITY, SIGNAL PERIODS ARE NOT SHOWN TO ACTUAL SCALE.
Single-/Dual-Supply, Stereo 16W,
f
SW
1
V
V
V
SS
DD
DD
V
V
V
DD
DD
SS
2
+ V
2
+ V
SS
SS
15

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