ANALOG DEVICES AD7856ARZ Analogue to Digital Converter, 14 bit, 285 kSPS, Differential, Single Ended, 3 Wire, SPI, Single

AD7856 is a high speed, low power, 14-bit ADC that operates from a single 5V power supply. The ADC powers up with a set of default conditions at which time it can be operated as a read only ADC. The ADC contains self-calibration and system calibration options to ensure accurate operation over time and temperature and it has a number of power-down options for low power applications. Typical application includes battery-powered systems (personal digital assistants, medical instruments, mobile communications), pen computers, instrumentation and control systems and high-speed modems.

• 285KSPS throughput rate
• Self and system calibration with auto calibration on power-up
• Eight single-ended or four pseudo-differential inputs
• 89.25mW max normal mode power dissipation at VDD = 5.25V
• Automatic power-down after conversion (2.5µW typ)
• Flexible serial interface: 8051/SPI�/QSPI�/µP compatible
• 78dB min and 79.5dB typ SINAD, -86dB max THD, ±2LSB typ INL and DNL
• 3.5µs max conversion time, 20ppm/°C typ REFOUT tempco
• 24 lead SOIC package
• Operating temperature range from -40 to 105°C

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party