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U6239B - 2.9 GHz PLL

Description

The U6239B is a single-chip frequency synthesizer with bidirectional I2C bus control and unidirectional 3-wire bus control, developed for SAT TV-tuner and cable tuner applications.

Features

  • D 2.9 GHz divide-by-16 prescaler integrated D UNi-BUS: I2C bus and 3-wire bus I2C bus software compatible to U6223B 3-wire bus software compatible to LC7215 (Sanyo) D I2C bus mode: 4 bidirectional ports (open collector) 2 unidirectional ports (open collector) 5 level ADC or unidirectional port (open collector) Address mode select function (AMS, Pin 3): 3 or 4 addresses selectable via Pin 10 D 3-wire bus mode: 4 unidirectional ports (open collector) Lock output (open collector) D Programmable ref.

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Datasheet Details

Part number U6239B
Manufacturer TEMIC Semiconductors
File Size 325.69 KB
Description 2.9 GHz PLL
Datasheet download datasheet U6239B Datasheet
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www.DataSheet4U.com U6239B 2.9 GHz PLL for SAT TV Tuner with UNi-Bus Description The U6239B is a single-chip frequency synthesizer with bidirectional I2C bus control and unidirectional 3-wire bus control, developed for SAT TV-tuner and cable tuner applications. This IC contains an integrated preamplifier, a high frequency prescaler, a reference divider with multiple programmable divider ratios, a crystal oscillator, a phase/ frequency detector together with a charge pump, a tuning amplifier and an analog-to-digital converter. Features D 2.
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