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UMA1017M Datasheet Low-voltage frequency synthesizer for radio telephones

Manufacturer: NXP Semiconductors

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General Description

The UMA1017M BICMOS device integrates prescalers, a programmable divider, and phase comparator to implement a phase-locked loop.

QUICK REFERENCE DATA SYMBOL VCC, VDD ICC + IDD ICCPD, IDDPD fVCO fXTAL fPC Tamb PARAMETER supply voltage supply current current in power-down mode per supply RF input frequency crystal reference input frequency phase comparator frequency operating ambient temperature CONDITIONS VCC ≥ VDD MIN.

2.7 − − 50 3 − −30 UMA1017M The device is designed to operate from 3 NiCd cells, in pocket phones, with low current and nominal 5 V supplies.

Overview

INTEGRATED CIRCUITS DATA SHEET UMA1017M Low-voltage frequency synthesizer for radio telephones Product specification Supersedes data of November 1994 File under Integrated Circuits, IC03 1995 Jul 10 Philips.

Key Features

  • Low current from 3 V supply.
  • Fully programmable RF divider.
  • 3-line serial interface bus.
  • Independent fully programmable reference divider, driven from external crystal oscillator.
  • Dual phase detector outputs to allow fast frequency switching.
  • Dual power-down modes.

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