This is a car audio sound processor with low power, low energy design features, can be controlled by I2C BUS control 3-band equalizer, support 1 dB step gain adjustment
This ROHM datasheet describes the BD37541FS sound processor for car audio, covering its functional features, built‑in equalizer, input selector options, and pin assignments. It includes block diagrams, dimensional outlines, and a full list of cautions for safe PCB integration.
Technical sections provide absolute maximum ratings, operating ranges, electrical characteristics, and typical application circuits, helping designers evaluate power supply requirements, noise performance, and thermal design for reliable implementation.
| Package | SSOP‑A32 |
|---|---|
| Power supply voltage (VCG) | 7.0 V – 9.5 V |
| Input voltage (VIN) | VCC+0.3 V to GND‑0.3 V |
| Power dissipation (Pd) | 950 µW |
| Storage temperature | -55 °C to +150 °C |
The input gain can be set from 0 dB to 20 dB in 1 dB steps.
The device operates from –40 °C to +85 °C.
It supports three single‑ended inputs and two differential inputs.