The X79000 is a family of Single Channel Non-Volatile(NV) Digital-to-Analog Converters with integratedvoltage reference, configurable output buffer, generalpurpose EEPROM, and selectable full scale and zerooffset voltages.The X79000 series implements an SPI serial businterface with slave address identification allowing upto 32 devices on some options. The full scale andzero scale voltages and the DAC initial value registercan be set via the SPI bus interface. Optional pinsare provided for Up/Down style interface allowing forincrement and decrement of the DAC register in 1, 4,or 16 steps at a time.A Power-on Recall circuit is implemented to keep theDAC output at high impedance on power-up and to loadan initial user defined value from non-volatile memory. Apower-up ready signal is provided to alert the system tobegin operations.Additional general purpose non-volatile memory (56Bytes) is provided for curve-fit profile setting, signalconditioning parameters, or device and systemindentification.
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