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EV7745DF-01A 9.5-26V Stereo Class D Single Ended Audio Amplifier EV Board Evaluation Board
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pMPS EV7745DF-01A — Stereo Class D Single Ended Audio Amplifier EV Board, 9.5-26V input./p
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EV7745DF-01A 9.5-26V Stereo Class D Single Ended Audio Amplifier EV Board Evaluation Board
The MPS EV7745DF-01A is an evaluation board built around the MP7745 for bench characterisation of the device in its intended topology. It operates from a 9.5 V to 26 V input.
The EV7745DF-01A is the evaluation board for the MP7745, a stereo 20W Class D Audio Amplifier.
Key Specifications
| Part Number | EV7745DF-01A |
| Board For | MP7745 |
| Board Type | Evaluation / demonstration board |
| Function | Stereo Class D Single Ended Audio Amplifier EV Board |
| Input Voltage | 9.5 V to 26 V |
| Output Power | 20 W |
| Peak Efficiency | 93% |
| Ordering Codes | EV7745DF-01A |
Features
- 2 x 20W Output at VDD = 24V into a 4Ω load
- THD+N = 0.05% at 1W, 8Ω, 1kHz
- 93% Efficiency at 19W and VDD=24V with 4Ω load
- Low Noise (103μV Typical)
- 9.5V to 26V 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 EV7745DF-01A support?
9.5 V to 26 V.
What are the defining features of the EV7745DF-01A?
2 x 20W Output at VDD = 24V into a 4Ω load THD+N = 0.05% at 1W, 8Ω, 1kHz
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