Part Number: UPC1298V
Function: 50 to 80 W power amplifier driver
Package: 14 Pin type
Manufacturer: NEC ( Renesas Technology )
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Description
UPC1298V is a monolithic power amplifier driver IC from NEC (Renesas), designed for 50W to 80W class HiFi audio amplifier applications in a 14-pin package. It integrates a differential input stage, predriver, driver circuitry, and overcurrent protection to simplify high-power audio amplifier design. This device offers low distortion performance with wide frequency and power bandwidth, making it suitable for high-fidelity audio systems.
Features
- Integrated power amplifier driver for 50W to 80W output stages
- Low distortion characteristics for high-quality audio reproduction
- Wide frequency bandwidth of approximately 900kHz (-3dB)
- Wide power bandwidth of approximately 90kHz
- Built-in input differential amplifier
- Integrated predriver and driver stages
- Overcurrent protection circuit included
- 14-pin package for compact amplifier designs
Block Diagram and Pinouts
Design Notes
- Proper heat sinking is required for the external output stage transistors in high-power designs
- Use symmetric PCB layout to minimize distortion and maintain signal integrity
- Power supply decoupling is critical to avoid oscillation at high frequencies
- Ensure correct biasing of the output stage to reduce crossover distortion
- Overcurrent protection should be validated with real load conditions
How to Choose This Part
- Select for medium-to-high power audio amplifier designs (50W to 80W range)
- Suitable for applications requiring low distortion and wide bandwidth
- Ideal when integrating driver and protection circuits in a single IC
- Consider for designs using discrete output transistors
Applications
- Home audio HiFi systems
- Audio amplifiers and receivers
- Professional sound equipment
- Multimedia speaker systems
Alternative / Equivalent Products
- UPC1297V
- TA7317P
- LM4702
- STK amplifier modules (integrated alternatives)
UPC1298V Datasheet PDF Download
Other data sheets are available within the file: UPC1298, μPC1298V