National Semiconductor LM4836 Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input Mux
Summary
This datasheet describes the National Semiconductor LM4836 Boomer stereo audio power amplifier integrating DC volume control, selectable bass boost, and an input multiplexer in a single monolithic IC. The bridged amplifier delivers 2W per channel into 4Ω or 2.2W into 3Ω with less than 1.0% THD+N, and 1.1W into 8Ω (LM4836MT variant). Single-ended mode provides 85mW into 32Ω for headphone applications. PC98 and PC99 compliant, the device features an externally controlled low-power shutdown mode dr
Manual Details
| Brand | National |
|---|---|
| Pages | 16 |
| File Size | 661.98 KB |
| Published | June 16, 2026 |
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Frequently Asked Questions
What is the typical maximum audio output power of this amplifier?
The LM4836MTE can produce 2W into 4Ω with less than 1.0% THD+N.
Does the chip include protection features for reliability?
Yes, it incorporates thermal shutdown protection circuitry and click/pop suppression.
What is the acceptable operating voltage range for the LM4836?
The recommended supply voltage range is 2.7V minimum up to 5.5V maximum.
What advanced audio features does this amplifier offer?
It offers DC volume control, bass boost selection, a selectable gain/bass boost feature, and an input mux.