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U4286BM Datasheet Am / Fm-pll

Manufacturer: TEMIC Semiconductors (now Microchip)

Overview: TELEFUNKEN Semiconductors U4286BM AM / FM-PLL.

General Description

The U4286BM 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.

Key Features

  • D Reference oscillator up to 15 MHz D Two programmable 16 bit dividers adjustable from 2 to 65535 D Two programmable switching outputs (open drain up to 20 V) D Fine tuning steps: AM y 1 kHz FM y 2 kHz D Few external component requirements due to integrated loop-transistor for AM/FM D High signal/ noise ratio Block Diagram SWO 1 OSCIN OSCOUT 14 Oscillator 15 2 3 4 7 Latch I2C.
  • BUS Interface Shift register SWO 2 6 5 R.
  • Divider Switching outputs Latch Status 11 Phase detect.

More Datasheets from TEMIC Semiconductors (now Microchip)

Part Number Description
U4280BM AM / FM - PLL
U4285BM AM / FM - PLL
U4221B Radio Controlled Clock Receiver
U4224B Time Code Receiver
U4270B FM IF limiter amplifier and detector
U4275B FM-Receiving Condition Analyser and Multipath Noise Cancellation
U4276B FM Multipath Noise Cancellation

U4286BM Distributor