BBT3821-JH

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BBT3821-JH is a type of highly integrated clocking solution used in multiple applications. It is based on a fully integrated timing solution using differential output signals, a crystal oscillator, and a programmable prescaler for fast tunable clocking of both frequency and duty cycle. The BBT3821-JH provides the ability to generate a wide range of low-noise clock signals of different frequencies and duty cycles. The BBT3821-JH combines ultracompact die size, low current consumption, and minimal parts count with superior timing performance.

The BBT3821-JH is designed to meet a broad range of application requirements. It offers fast tuning of both frequency and duty cycle over a wide frequency range, and with jitter numbers lower than 1 ps RMS. The reduced size and current requirements enable high operational stability in a wide range of temperature environments. It is a cost-effective solution for consumer electronics, automotive, and industrial equipment, among other applications.

The BBT3821-JH is an ideal solution for generating high frequency clocks from low frequency sources, such as from a 26 MHz or 32.768 kHz crystal. It can also be used for multiplexing applications or as a general-purpose clock generator. The BBT3821-JH features a 12-bit fractional-N prescaler that enables the user to adjust the output clock frequency. The programmable prescaler is optimized for a wide range of frequencies, providing fast tracking of the output frequency to the desired frequency (with a resolution of 1 kHz). The BBT3821-JH is designed to generate time division multiplexed signals (TDM) with a resolution of 1 kHz and up to eight different frequencies.

The BBT3821-JH also features an advanced low-jitter architecture and a highly integrated PLL with an external loop filter. The low jitter performance of the BBT3821-JH is suitable for applications demanding high accuracy and stability, such as in audio and video streaming applications. The integrated prescaler and the low-jitter oscillator provide a great deal of flexibility for system designs.

The BBT3821-JH is highly configurable. It can be programmed to achieve high-precision output frequencies and duty cycles by adjusting the PLL parameters and the programmable prescaler. The device can be powered from a single 2.5 to 3.6V power supply, allowing for great flexibility in power design. The internal circuitry is designed to handle ground-bounce events and protect the chip from extreme voltage spikes, making it an ideal solution for automotive environments.

In conclusion, the BBT3821-JH is a fully integrated clocking solution designed to meet the demanding timing requirements of consumer electronics, automotive, and industrial applications. It is ideal for generating multiple clocks of different frequencies and duty cycle outputs. The programmable prescaler and low-jitter design provide superior timing performance and flexibility for system designs, and the highly integrated structure allows for low current consumption in a wide range of temperature conditions.

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