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BU1924 - RDS / RBDS decoder

Download the BU1924 datasheet PDF. This datasheet also covers the BU1924F variant, as both devices belong to the same rds / rbds decoder family and are provided as variant models within a single manufacturer datasheet.

General Description

Pin No.

Demodulator clock Digital power supply 2.7V to 5.5V Connects to 4.332MHz oscillator (refer to input/output circuits) 1187.5Hz clock (

Key Features

  • 1) Low current. 2) Two-stage anti-aliasing filter (LPF). 3) 57kHz band-pass filter. 4) DSB demodulation (digital PLL). 5) Quality indication output for demodulated data. zAbsolute maximum ratings (Ta = 25°C) Parameter Power supply voltage Maximum input voltage Maximum output voltage Symbol VDD Limits VMax. IMax. Power dissipation Pd Operating temperature Storage temperature ∗1 Reduced by 10.0mW for each increase in Ta of 1°C over 25°C. (BU1924) ∗2 Reduced by 3.0mW for each increase in Ta o.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (BU1924F_Rohm.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number BU1924
Manufacturer ROHM
File Size 94.57 KB
Description RDS / RBDS decoder
Datasheet download datasheet BU1924 Datasheet

Full PDF Text Transcription for BU1924 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for BU1924. For precise diagrams, and layout, please refer to the original PDF.

w w t e RDS h /e RBDS decoder S a BU1924 at / BU1924F / BU1924FS .D w Audio ICs 4U m o .c BU1924 / BU1924F / BU1924FS The BU1924, BU1924F and BU1924FS are RDS / RBDS deco...

View more extracted text
U1924F / BU1924FS The BU1924, BU1924F and BU1924FS are RDS / RBDS decoders that employ a digital PLL and have a built-in anti-aliasing filter and an eight-stage BPF (switched-capacitor filter). Linear CMOS circuitry is used for low power consumption. zApplications RDS / RBDS compatible FM receivers for American and European markets, car stereos, high-fidelity stereo systems and components, and FM pagers. zFeatures 1) Low current. 2) Two-stage anti-aliasing filter (LPF). 3) 57kHz band-pass filter. 4) DSB demodulation (digital PLL). 5) Quality indication output for demodulated data.

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