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U4285BM Datasheet Am / Fm - Pll

Manufacturer: TEMIC Semiconductors (now Microchip)

Overview: U4285BM AM / FM - PLL.

General Description

The U4285BM is an integrated circuit in BICMOS technology for frequency synthesizers.

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

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

Key Features

  • D Reference oscillator up to 15 MHz D Two programmable 16 bit dividers adjustable from 2 to 65535 D 4 programmable switching outputs (open drain up to 15 V) D Fine tuning steps: AM FM y 1 kHz y 2 kHz D Few external component required due to integrated loop-push-pull stage for AM/FM D High signal/ noise ratio Ordering Information Extended Type Number U4285BM-AFS U4285BM-AFSG3 Package SSO20 plastic SSO20 plastic Remarks Taping according to IEC-286-3 Block Diagram SWO1 SWO2 SWO3 SWO4 5 6 7 8.

U4285BM Distributor