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MCP4821 Datasheet PDF


Part Number MCP4821
Manufacturer Microchip Technology
Title (MCP4821 / MCP4822) 12-Bit DACs
Description The Microchip Technology Inc. MCP482X devices are 2.7V–5.5V, low-power, low DNL, 12-bit Digital-to-Analog Converters (DACs) with internal band gap...
Features












• 12-Bit Resolution ±0.2 LSb DNL (typ.) ±2 LSb INL (typ.) Single or Dual Channel Rail-to-Rail Output SPI™ Interface with 20 MHz Clock Support Simultaneous Latching of the Dual DACs with LDAC pin Fast Settling Time of 4.5 µs Selectable Unity or 2x Gain Output 2.048V Internal B...

File Size 1.71MB
Datasheet MCP4821 PDF File








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MCP4821 : The MCP4801/4811/4821 devices are single channel 8-bit, 10-bit and 12-bit buffered voltage output Digital-to-Analog Converters (DACs), respectively. The devices operate from a single 2.7V to 5.5V supply with an SPI compatible Serial Peripheral Interface. The devices have a high precision internal voltage reference (VREF = 2.048V). The user can configure the full-scale range of the device to be 2.048V or 4.096V by setting the Gain Selection Option bit (gain of 1 of 2). The devices can be operated in Active or Shutdown mode by setting a Configuration register bit or using the SHDN pin. In Shutdown mode, most of the internal circuits, including the output amplifier, are turned off for power sav.

MCP4822 : The Microchip Technology Inc. MCP482X devices are 2.7V–5.5V, low-power, low DNL, 12-bit Digital-to-Analog Converters (DACs) with internal band gap voltage reference, optional 2x-buffered output and Serial Peripheral Interface (SPI™). The MCP482X family of DACs provide high accuracy and low noise performance for industrial applications where calibration or compensation of signals (such as temperature, pressure and humidity) are required. The MCP482X devices are available in the extended temperature range and PDIP, SOIC and MSOP packages. The MCP482X devices utilize a resistive string architecture, with its inherent advantages of low DNL error, low ratio metric temperature coefficient and fast.

MCP4822 : The MCP4802/4812/4822 devices are dual 8-bit, 10-bit and 12-bit buffered voltage output Digital-to-Analog Converters (DACs), respectively. The devices operate from a single 2.7V to 5.5V supply with SPI compatible Serial Peripheral Interface. The devices have a high precision internal voltage reference (VREF = 2.048V). The user can configure the full-scale range of the device to be 2.048V or 4.096V by setting the Gain Selection Option bit (gain of 1 of 2). Each DAC channel can be operated in Active or Shutdown mode individually by setting the Configuration register bits. In Shutdown mode, most of the internal circuits in the shutdown channel are turned off for power savings and the output amp.




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