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LM48511SQ/NOPB

Audio Power Amplifier, 3 W, D, 1 Channel, 3V to 5.5V, LLP, 24 Pins

TEXAS INSTRUMENTS LM48511SQ/NOPB

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Manufacturer Part No:
LM48511SQ/NOPB
Order Code:
3004537

Product Overview

The LM48511SQ/NOPB is a filterless mono class D Audio Power Amplifier with spread spectrum. This device integrates a boost converter with a high-efficiency class D audio power amplifier to provide 3W continuous power into a 8R speaker when operating from a 5V power supply. When operating from a 3 to 4V power supply, the LM48511 can be configured to drive 1 to 2.5W into a 8R load with less than 1% distortion (THD+N). The class D amplifier features a low-noise PWM architecture that eliminates the output filter, reducing external component count, board area consumption and simplifying design. A selectable spread spectrum modulation scheme suppresses RF emissions, further reducing the need for output filters. The switching regulator of the LM48511 is a current-mode boost converter operating at a fixed frequency of 1MHz.
  • Selectable spread spectrum mode reduces EMI
  • Independent regulator and amplifier shutdown controls
  • Dynamically selectable regulator output voltages
  • Low shutdown current
  • Click and pop suppression
  • 80% Efficiency
  • Green product and no Sb/Br

Applications

Audio, Sensing & Instrumentation, Portable Devices, Consumer Electronics

Product Information

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:
3W

:
D

:
1 Channel

:
3V to 5.5V

:
LLP

:
24Pins

:
8ohm

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (1)

Packaging type Cut Tape

421 total stock globally Need more?

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$4.24 ( $4.88  Inc. GST)

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