MAX9471ETP+

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MAX9471ETP+ is a multi-channel, low-power clock/timing circuit from Maxim Integrated marketed at automotive applications. It is part of the DesignWare family and is a full-featured clock generator, programmable PLL, and frequency synthesizer. It is designed to generate multiple clock outputs at different frequencies, which is crucial for applications such as automotive electronics.

The MAX9471ETP+ has two main components - its phase-locked loop (PLL) and its frequency synthesizer. Both work in tandem to provide multiple clock outputs at different frequencies. The PLL is responsible for generating a reference clock, while the frequency synthesizer allows the reference clock to be multiplied to different frequencies.

The MAX9471ETP+ has two main modes of operation: one-time programmable (OTP) and factory programmable (FP). In OTP mode, the user is required to program the device once in order to configure the clock outputs to the desired frequencies. This lets the user specify the frequencies of the multiple clock outputs. In FP mode, the factory programs the device to generate multiple clock outputs at different frequencies.

The MAX9471ETP+ is a highly integrated device with a wide range of features and capabilities. It has programmable clock gating, output slew rate control, spread spectrum clocking, adjustable output skew, and adjustable phase delay. It also integrates a low-power oscillator and spread spectrum circuitry, which allows it to reduce EMI by lowering peak power levels of the multiple clock outputs.

The MAX9471ETP+ is designed to be used in automotive applications and is able to withstand wide temperature ranges (-40°C to +125°C). It also has an operating current of only 180µA and a shutdown current of 10nA, making it power efficient. The device is also RoHS compliant, making it exceptionally versatile.

In summary, the MAX9471ETP+ is an automotive, multi-channel, low-power clock/timing circuit from Maxim Integrated. It is a full-featured clock generator, programmable PLL, and frequency synthesizer that can generate multiple clock outputs at different frequencies. It has a wide range of features, including programmable clock gating, output slew rate control, spread spectrum clocking, adjustable output skew, and adjustable phase delay. The device is RoHS compliant, power efficient, and able to withstand wide temperature ranges, making it an ideal solution for a variety of automotive applications.

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