onsemi ONA10IV digital input Class-D audio amplifier
The ONA10IV is a digital input, mono Class-D audio amplifier with real-time, integrated current and voltage sensing of the loudspeaker
The ONA10IV is a digital input, mono Class-D audio amplifier with real-time, integrated current and voltage sensing of the loudspeaker. The sense data is transmitted to the host through a separate digital output to enable a smart amplifier system.
The filter-less amplifier can drive 16 W power into 4 Ω load at a 14 V supply voltage. Up to eight devices can share the digital audio interface through a fast mode I2C control.
Key features
- Digital Input Class-D Audio Amplifier
- 16 W power amplifier into 4 Ω load at a 14 V supply voltage
- Smart Speaker Voltage & Current Sense
- Integrated protection features
Additional features
- Filter-less, Mono Class-D Amplifier
- 16 W into 4 Ω / 14 V Supply (1% THD+N)
- 13.8 W into 4 Ω / 12 V Supply (1% THD+N)
- Smart Speaker Voltage & Current Sense
- Up to 20 kHz Bandwidth
- 81 / 71 dBA Dynamic Range (Voltage / Current)
- 0.5% V / I Gain Error Variation
- I2C Fast Mode Control
- EMI Reduction Control
- Over Current and Thermal Protection
Applications
- Audio Amplifier for Speakers
- Speaker Protection & Reliability
- Smart Amplifier Algorithms
- Home Automation
- Alarms
Available tools
ONA10IVGEVB: 16 Watt Digital Input Class-D Audio Amplifier with Speaker Sense Digital Output
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