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EV7748DF-00A 9.5-36V 2x20W Stereo Single Ended Class D Audio Amplifier Evaluation Board
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pMPS EV7748DF-00A — 2x20W Stereo Single Ended Class D Audio Amplifier Evaluation Board, 9.5-36V input./p
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EV7748DF-00A 9.5-36V 2x20W Stereo Single Ended Class D Audio Amplifier Evaluation Board
The MPS EV7748DF-00A is an evaluation board built around the MP7748 for bench characterisation of the device in its intended topology. It operates from a 9.5 V to 36 V input.
The EV7748DF-00A is the evaluation board for the MP7748, a 2 x 20W stereo Class D Audio Amplifier.
Key Specifications
| Part Number | EV7748DF-00A |
| Board For | MP7748 |
| Board Type | Evaluation / demonstration board |
| Function | 2x20W Stereo Single Ended Class D Audio Amplifier Evaluation Board |
| Input Voltage | 9.5 V to 36 V |
| Output Power | 20 W |
| Peak Efficiency | 91% |
| Ordering Codes | EV7748DF-00A |
Features
- 2 x 20W Output at VDD = 24V into a 4Ω load
- THD+N = 0.02% at 1W, 8Ω, 1kHz
- 91% Efficiency at 20W and VDD=24V with 4Ω load
- Low Noise (103µV Typical)
- 9.5V to 36V Operation from a Single Supply
Evaluation Board
Design Notes
- The board ships in a default configuration; check the jumper and resistor options against the user guide before applying power.
- Respect the input terminal rating — most faults on evaluation boards come from an supply above the marked limit.
- Test points on the switching node and output are for a short-ground probe, not for a long oscilloscope lead.
- Where a GUI is supported, connect the dongle before power-up so the device enumerates on the I²C bus.
Common Questions
What input voltage does the EV7748DF-00A support?
9.5 V to 36 V.
What are the defining features of the EV7748DF-00A?
2 x 20W Output at VDD = 24V into a 4Ω load THD+N = 0.02% at 1W, 8Ω, 1kHz
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