ICS581G-01T

Differential - Input:Output:	No/No
Base Part Number:	ICS581-01
Supplier Device Package:	16-TSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply:	3 V ~ 5.5 V
Divider/Multiplier:	Yes/No
Frequency - Max:	200MHz
Series:	ClockBlocks™
Ratio - Input:Output:	2:4
Number of Circuits:	1
Output:	Clock
Input:	Clock
PLL:	Yes
Type:	Fanout Distribution, Multiplexer, Zero Delay Buffer
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction to ICS581G-01T

ICS581G-01T is a family of phase-locked loop (PLL) and frequency synthesizer ICs designed for clocking applications in consumer electronics, networking and other digital applications. It combines a low-noise VCO, a low-noise PLL and a wide range of programmable frequency modes and functions designed to meet the needs of today’s most advanced digital systems. ICS581G-01T is ideal for applications requiring low noise and high jitter performance.

Application Field of ICS581G-01T

The ICS581G-01T family of PLLs and frequency synthesizers are used in a variety of consumer electronics, such as televisions, mobile phones, digital cameras, game consoles, and other digital electronic applications. These devices are used to generate stable and precise clocks for timing, data acquisition, control and synchronization. In addition, the ICS581G-01T’s low-noise and low-jitter performance makes it a good choice for high-performance networking and storage applications.

Working Principle of ICS581G-01T

The ICS581G-01T is programmed by means of three external serial control pins and a single digital or analog reference clock. The IC supports multiple operating modes that can generate a wide range of frequencies from 0.1 kHz to 200 MHz. The device also includes a low-noise VCO that can lock onto input reference frequencies as low as 100 kHz.The core of the ICS581G-01T is the on-chip frequency synthesizer. The PLL consists of a phase detector, a low-noise VCO, and a programmable loop filter. The PLL works by comparing the phase of an internal reference clock to the phase of an input reference clock. The phase error is used to adjust the frequency of the VCO. The output frequency is then locked to a multiple or divisor of the input reference clock.The device supports three output modes: wideband (up to 10 MHz), wideband adjustable (up to 200 MHz), and Narrowband. The device can also generate dual-output clocks at 90° out of phase between the two outputs. The device also supports a single-shot operation mode, which is useful for generating a one-time pulse for synchronizing events.In addition, the device includes an ultralow noise-level (-11dBc/Hz at 1kHz) that can be adjusted using the adjustment register. This allows for improved system performance in terms of phase noise and jitter.

Conclusion

The ICS581G-01T family of PLL and frequency synthesizer devices is a versatile, low-noise and low-jitter solution for clocking application in consumer electronics and networking. Its programmable features, combined with its robust and user-friendly features, make it an ideal choice for clocking and timing applications.

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