LTC2308

Design of a Digital Voltmeter Based on FPGA and LTC2308 – Implementing SPI Protocol Communication with FPGA

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Design of a Digital Voltmeter Based on FPGA and LTC2308 - Implementing SPI Protocol Communication with FPGA

Code Analysis The LTC2308 communicates via a standard 4-wire SPI digital interface. The LTC2308 analog-to-digital converter (ADC) chip has 8 ADC channels and a resolution of 12 bits, with an input signal clock frequency range not exceeding 500 KHz. According to the Nyquist sampling theorem, it is recommended that the input signal be below 250 … Read more

Design of a Digital Voltmeter Based on FPGA and LTC2308 – Interpretation of LTC2308 Datasheet

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Design of a Digital Voltmeter Based on FPGA and LTC2308 - Interpretation of LTC2308 Datasheet

1 Introduction The LTC2308 is a low-noise, 12-bit high-precision, successive approximation, 8-channel analog-to-digital converter (ADC) from Analog Devices Inc. (ADI), with a sampling rate of up to 500 kSPS (the maximum input signal frequency should not exceed 500 kHz; according to the Nyquist sampling theorem, it is recommended that the input signal be below 250 … Read more