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2023-05-06 11:12| 来源: 网络整理| 查看: 265

Microchip MCP4725

This is a HAL based library for I²C MCP4725 12-bit Digital-to-Analog Converter with EEPROM. This library has been ported from this Arduino library to STM32 using HAL drivers.

operating/reference voltage 2.7v - 5.5v output voltage from 0 to operating voltage maximum output current 25mA output impedance 1 Ohm maximum output load 1000pF/0.001μF in parallel with 5 kOhm voltage settling time 6 μsec - 10 μsec slew rate 0.55 V/μs add 100μF & 0.1 μF bypass capacitors within 4mm to Vdd device has 14-bit EEPROM with on-chip charge pump circuit for fail-safe writing estimated EEPROM endurance 1 million write cycles if Vdd < 2v all circuits & output disabled, when Vdd increases above Vpor device takes a reset state & upload data from EEPROM

Supports all MCP4725 features:

Fast write Register read & write EEPROM read & write Power down General reset General wake-up Donate

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How to use

This section will be completed asap

Result

This is a 100 Hz sine wave generated by MCP4725:

sine

Contact

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