SIT1602AIR3-25S

Programmable oscillators are semiconductor devices that can generate output frequencies in the range of kilohertz (kHz) to several gigahertz (GHz). These oscillators offer design flexibility as they are easily programmable to suit changing requirements of the application within certain limits. Programmable oscillators are preferred in various applications such as telecommunications, signal processing, and data transmission.

SIT1602AIR3-25S Programmable Oscillator

SIT1602AIR3-25S is a type of programmable oscillator, specifically a phase-locked loop (PLL) integrated circuit, manufactured by Taiwanese company SiTime. It is based on a silicon MEMS oscillator, offers a frequency range of 8 kHz to 200 MHz and supply voltage range of 1.8 V_DD - 3.3 V_DD.

Applications

SIT1602AIR3-25S is applicable in various wireless, industrial and consumer applications. The device can be used in cellular base stations and for wireless applications such as Wi-Fi, GPS and Bluetooth. Furthermore, due to its flexible and wide frequency range, the programmable oscillator can also be used in data servers, optical networks and high- performance computing.

Working Principle

The SIT1602AIR3-25S PLL has an onboard voltage-controlled oscillator (VCO) that is driven by an external reference signal. The VCO frequency and supply voltage can be programmed through a serial control interface, allowing the device to generate targeted frequency and power levels. The PLL also includes a programmable frequency divider that can be set up to divide the adjusted VCO frequency to obtain a final output frequency centered on the desired target.

The programmable PLL has a wide operating temperature range of -40°C to 105°C, which makes it suitable for industrial applications. Additionally, the device includes ESD and Latch-up protection, in which ESD protection is number 3 and Latch-up protection is number 7, providing extra protection against unexpected conditions. Furthermore, the SIT1602AIR3-25S has a rated life of 20 years making it highly reliable.

Summary

SIT1602AIR3-25S is a programmable oscillator manufactured by SiTime. It is a phase-locked loop integrated circuit with a frequency range of 8 kHz to 200 MHz and supply voltage range of 1.8 V_DD - 3.3 V_DD. The device can be used in various wireless, industrial and consumer applications and its wide operating temperature range and high rated life make it suitable for industrial applications. It uses a voltage-controlled oscillator that is driven by an external reference signal, along with a programmable frequency divider, to generate output frequencies.