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AK1590

AKM
Part Number AK1590
Manufacturer AKM
Description 1GHz Delta-Sigma Fractional-N Frequency Synthesizer
Published May 11, 2014
Detailed Description [AK1590] AK1590 1GHz Delta-Sigma Fractional-N Frequency Synthesizer 1. Overview AK1590 is a Delta-Sigma Fractional-N PL...
Datasheet PDF File AK1590 PDF File

AK1590
AK1590

Overview
[AK1590] AK1590 1GHz Delta-Sigma Fractional-N Frequency Synthesizer 1.
Overview AK1590 is a Delta-Sigma Fractional-N PLL (Phase Locked Loop) frequency synthesizer with a frequency switching function, covering a wide range of frequencies from 60 to 1000MHz.
This product consists of an 18-bit Delta-Sigma modulator, a low-noise phase frequency comparator, a highly accurate charge pump, a reference divider, dual-module prescaler (P/P+1) and frequency offset adjustable circuits.
2.
Features   Operating frequency: Programmable charge pump current: 60 to 1000MHz In a normal operating scheme, the charge pump current can be set in 8 steps, in the range from 20 to 168μA.
In a Fast Lockup scheme, the charge pump current can be set in 8 steps, in the range from 0.
8 to 2.
3mA.
    Supply Voltage: Separate power supply for the charge pump: On-chip power-saving features Frequency offset adjustable function: No glitch operation for AFC(Automatic Frequency Control) and DFM(Digital Frequency Modu...


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