MAX31190ETD+T

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The MAX31190ETD+T provides an integrated -40 °C to +125 °C temperature-compensated oscillator (TCXO) with configurable output frequency. The device offers excellent phase noise performance and programmability for a wide range of applications. It is widely used in timekeeping applications requiring high precision and stability, such as consumer electronics and medical equipment. This article will explore the application field and working principle of the MAX31190ETD+T in the context of clock/timing and programmable timers and oscillators.

The MAX31190ETD+T integrates a temperature-controlled oscillator (TCXO) with a programmable frequency output range of 0.01 Hz to 50 MHz. The output frequency is stored in a non-volatile register during power-up, and can be programmed dynamically throughout the part\'s operational life. The device also features an integrated programmable output stage, with support for low-current waveforms such as Square Wave, Low Voltage Differential Signaling (LVDS), and Single-Ended. The wide input voltage range of 2.5 V to 5.5 V and the small package size make the MAX31190ETD+T ideal for space-constrained applications.

In terms of performance, the MAX31190ETD+T TCXO provides excellent phase noise performance, with a specified phase noise of -150 dBc/Hz at 1 MHz offset. The device has an integrated RMS jitter of 0.17 ps and an output frequency accuracy of ±3 ppm across the entire temperature range, making it suitable for even the most precise and demanding applications. The device also features an integrated programmable start-up and hold-over delay to ensure accurate synchronization.

The MAX31190ETD+T can be configured for a variety of applications using its programmable digital output interface. The device supports I²C, UART, SPI, USB and other popular serial interfaces, allowing it to be easily integrated into existing systems. Additionally, the device offers several low-power, low-noise modes, making it well-suited for applications that require high accuracy but limited power consumption.

In summary, the MAX31190ETD+T is an ideal solution for applications requiring precise and stable timing, such as consumer electronics and medical equipment. With its wide input voltage range, excellent phase noise performance, and integrated start-up and hold-over delay, the device offers an unmatched combination of features and performance in a small package size. The wide range of programming options and supports for popular serial interfaces makes the MAX31190ETD+T perfect for design engineers looking for a reliable, programmable clock/timing solution.

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