BD3825FS is an audio signal switch IC used for PAL DVD-Recorders. It supports six input lines which are controlled by the I2C-BUS of video signal LSI BH7624KS2. In addition, BD3825FS has two built-in Function Switch features.
The BD3825FS is an audio signal switch IC used in PAL DVD‑recorders and other video/audio equipment. It supports six audio inputs and two built‑in function switches, controlled via the I²C‑BUS of the BH7624KS2 LSI.
The document lists electrical characteristics such as supply voltages (+5 V for audio, +12 V for function switches), typical THD of 0.007 %, S/N of 90 dB, and maximum ON resistance of 300 Ω. It also includes block diagrams, equivalent circuits, application examples, ordering information, and cautions for reliable design.
| Supply voltage Vcc1 (audio) | +5 V (4.5~5.5 V) |
|---|---|
| Typical THD | 0.007 % |
| Typical S/N | 90 dB |
| Maximum ON resistance | 300 Ω |
| Power dissipation (Pd) | 800 mW |
| Operating temperature range | -25 °C ~ +75 °C |
| Storage temperature range | -55 °C ~ +125 °C |
The IC uses +5 V for the audio signal (4.5~5.5 V) and +12 V for the function switches (11.5~12.5 V).
It supports six audio input lines that are controlled by the I²C‑BUS of the BH7624KS2.
Maximum supply voltage 1 is +6 V, supply voltage 2 is +135 V, power dissipation is 800 mW, and the operating temperature range is –25 °C to +75 °C.
The typical total harmonic distortion is 0.007 %.