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What is AK1541?

This electronic component, produced by the manufacturer "AKM", performs the same function as "20 to 600MHz Delta-Sigma Fractional-N Frequency Synthesizer".


AK1541 Datasheet PDF - AKM

Part Number AK1541
Description 20 to 600MHz Delta-Sigma Fractional-N Frequency Synthesizer
Manufacturers AKM 
Logo AKM Logo 


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[AK1541]
AK1541
20 to 600MHz Delta-Sigma Fractional-N Frequency Synthesizer
1. Overview
The AK1541 is a Delta-Sigma Fractional-N PLL (Phase Locked Loop) frequency synthesizer with a frequency switching
function, covering a wide range of frequencies from 20 to 600MHz. This product consists of an 18-bit Delta-Sigma
modulator, a low-noise phase frequency comparator, a highly accurate charge pump, a reference divider and a
dual-module prescaler (P/P+1).
An excellent PLL can be achieved by combining this synthesizer with the external loop filter and VCO (Voltage Controlled
Oscillator). The access to the registers is controlled via a three-lines serial interface. The operating supply voltage is from
2.7 to 5.5V; and the charge pump and serial interface can be driven by individual supply voltages.
2. Features
Delta-Sigma Fractional-N frequency synthesizer providing shorter lockup time, lower phase noise and low spurious
performance
Operating frequency:
On-chip charge pump for fast lockup
Programmable charge pump current:
20 to 600MHz
In a normal operating scheme, the charge pump current can
be set in 16 steps, in the range from 10.6 to 168.9uA.
In a fast lockup scheme, the charge pump current can be
set in 8 steps, in the range from 0.84 to 2.32mA.
Supply Voltage:
2.7 to 5.5 V (PVDD and CPVDD pins)
Separate power supply for the charge pump: PVDD to 5.5V (CPVDD pin)
On-chip power-saving features
On-chip PLL lock detect feature:
Direct output to the PFD (Phase Frequency Detector) or digital
Very low consumption current:
filtering output can be selected.
3.4mA typ. (excluding a charge pump current)
Package:
Operating temperature:
24pin QFN (0.5mm pitch, 4mm 4mm 0.7mm)
-40C° to 85C°
MS1043-E-05
1
2013/03
http://www.Datasheet4U.com

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AK1541 equivalent
[AK1541]
Filter Schematic”. The [SWIN] pin could be open even when the first lockup feature is not used.
Note 3) Power down refers to the state where [PDN1]=[PDN2]=”Low” after power-on.
AI: Analog input pin
AO: Analog output pin AIO: Analog I/O pin DI: Digital input pin
DO: Digital output pin P: Power supply pin
G: Ground pin
24 23 22 21 20 19
CPVDD 1
18 PVDD
TEST4 2
17 RFINP
TEST1 3
LE 4
TOP
VIEW
16 RFINN
15 VREF2
DATA 5
14 DVSS
CLK
6 13 VREF1
7 8 9 10 11 12
Fig. 2 Package Pin Layout
MS1043-E-05
5
2013/03


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for AK1541 electronic component.


Information Total 30 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
AK1541The function is 20 to 600MHz Delta-Sigma Fractional-N Frequency Synthesizer. AKMAKM
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