UMA1017, UMA1017M, UMA1018 Selling Leads, Datasheet
MFG:PHILIPS Package Cooled:SSOP D/C:02+
UMA1017, UMA1017M, UMA1018 Datasheet download
Part Number: UMA1017
MFG: PHILIPS
Package Cooled: SSOP
D/C: 02+
UMA1017, UMA1017M, UMA1018
- Table of contents:
Info of UMA1017
Info of UMA1017M
Info of UMA1018
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About UMA1017M
PDF/DataSheet Download
Datasheet: UMA1017M
File Size: 175132 KB
Manufacturer: PHILIPS [Philips Semiconductors]
Download : Click here to Download
About UMA1017M
PDF/DataSheet Download
Datasheet: UMA1017M
File Size: 175132 KB
Manufacturer: PHILIPS [Philips Semiconductors]
Download : Click here to Download
About UMA1018M
PDF/DataSheet Download
Datasheet: UMA1018M
File Size: 170812 KB
Manufacturer: PHILIPS [Philips Semiconductors]
Download : Click here to Download
UMA1017M General Description
The UMA1017M BICMOS device integrates prescalers, a programmable divider, and phase comparator t mplement a phase-locked loop.
Separate power and ground pins are provided to the analog and digital circuits. The ground leads should be externally short-circuited to prevent large currents flowing across the die and thus causing damage. Digital supplies VDD1 and VDD2 must also be at the same potential. VCC must be equal to or greater than VDD (i.e. VDD = 3 V and VCC = 5 V for wider tuning range).
The phase detector uses two charge pumps, one provides normal loop feedback, while the other is only active during fast mode to speed-up switching. All charge pump currents (gain) are fixed by an external resistance at pin ISET (pin 14). Only passive loop filters are used; the charge-pumps function within a wide voltage compliance range to improve the overall system performance.
UMA1017M 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.
· 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.
UMA1017M Typical Application
· 900 MHz mobile telephones
· Portable battery-powered radio equipment.
· Portable battery-powered radio equipment.
UMA1017M Connection Diagram
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