U4280BM Datasheet AM / FM - PLL

Manufacturer: TEMIC Semiconductors (now Microchip)

Overview: U4280BM AM / FM - PLL.

Datasheet Details

Part number	U4280BM
Manufacturer	TEMIC Semiconductors (now Microchip)
File Size	172.79 KB
Description	AM / FM - PLL
Download	U4280BM Download (PDF)

The U4280BM is an integrated circuit in BICMOS technology for frequency synthesizer.

It performs all the functions of a PLL radio tuning system and is controlled by I2C bus.

The device is designed for all frequency synthesizer applications of radio receivers, as well as RDS (Radio Data System) applications.

D Frequency range up to 150 MHz D Pre-amplifier for AM and FM D Fine tuning steps: AM 1kHz D Two programmable 16-bit divider, adjustable from 2 to 65535 D Reference oscillator up to 15 MHz D 5 programmable switching outputs, 4 are open drain outputs up to 15 V y FM y 2 kHz D Phase detector with separate outputs for AM and FM D Controlled via I2C bus Ordering Information Extended Type Number U4280BM-B U4280BM-BFL Package DIP20 SO20 Remarks Block Diagram PRT OSCIN 18 19 OSCOUT Latch SCL SDA A.

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