Key facts
- Manuals
- 1
- Languages
- ZH
- Last added
- 2012-03-09
Featured NS4149 manuals
NNSS NS4149 Digital Audio Amplifier User Manual
This manual describes the NS4149, a 3 W single‑channel digital audio power amplifier with ultra‑low EMI and no external filter required. It covers functional description, key features, application areas, typical circuit examples, maximum ratings, electrical characteristics, pin assignments, and detailed application notes.
The document also explains gain setting, input and bypass capacitor selection, power‑down noise suppression, efficiency optimization, protection mechanisms, and EMI‑enhancement techniques, helping designers integrate the chip into mobile phones, music phones, PDAs, MP3/MP4 players, and other portable audio devices. This manual is written in Chinese.
Covers: Function Description · Key Features · Application Areas · Typical Application Circuits · Maximum Ratings · Electrical Characteristics
Latest NS4149 manuals
NNSS NS4149 Digital Audio Amplifier User Manual
User Manual 14 pages · 748 KB · ZHThe NNSS NS4149 user manual provides specifications, pin description, typical circuits, and usage guidelines for this 3 W mono digital audio amplifier.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in NS4149 manuals
What is the maximum output power of the NS4149?
The NS4149 can deliver 3 W into a 4 Ω load and 1.8 W into an 8 Ω load.