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TDA6405A - 5 V mixer/oscillator-PLL synthesizers for hyperband tuners

Description

The TDA6404, TDA6405 and TDA6405A are programmable 2-band mixer/oscillator-PLL synthesizers intended for VHF/UHF and hyperband tuners (see Fig.1).

The devices include two double balanced mixers and two oscillators for the VHF and UHF band, an IF amplifier and a PLL synthesizer.

Features

  • Single chip 5 V mixer/oscillator-PLL synthesizer for hyperband tuners.
  • I2C-bus protocol.
  • 3 PNP band switch buffers (25 mA).
  • 33 V tuning voltage output.
  • In-lock detector.
  • 5-level Analog-to-Digital Converter (ADC).
  • 15-bit programmable divider.
  • Programmable reference divider ratio (512, 640 or 1024).
  • Programmable charge pump current.
  • Balanced mixer with a common emitter input for VHF (single input).

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Datasheet Details

Part number TDA6405A
Manufacturer NXP
File Size 221.56 KB
Description 5 V mixer/oscillator-PLL synthesizers for hyperband tuners
Datasheet download datasheet TDA6405A Datasheet
Additional preview pages of the TDA6405A datasheet.

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Full PDF Text Transcription

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INTEGRATED CIRCUITS DATA SHEET TDA6404; TDA6405; TDA6405A 5 V mixer/oscillator-PLL synthesizers for hyperband tuners Product specification Supersedes data of 1998 Jan 19 File under Integrated Circuits, IC02 1999 Jan 13 Philips Semiconductors Product specification 5 V mixer/oscillator-PLL synthesizers for hyperband tuners FEATURES • Single chip 5 V mixer/oscillator-PLL synthesizer for hyperband tuners • I2C-bus protocol • 3 PNP band switch buffers (25 mA) • 33 V tuning voltage output • In-lock detector • 5-level Analog-to-Digital Converter (ADC) • 15-bit programmable divider • Programmable reference divider ratio (512, 640 or 1024) • Programmable charge pump current • Balanced mixer with a common emitter input for VHF (single input) • Balanced mixer with a common base input for UHF (doub
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