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AD7805 +3.3 V to +5 V Quad/Octal 10-Bit DAC

The AD7804/AD7808 are quad/octal 10-bit digital-to-analog converters, with serial load capabilities, while the AD7805/AD7809 are quad/octal 10-bit digital-to-analog converters with parallel load capabilities. These parts operate from a +3.3 V to +5 V (10%) power supply and incorporates an on-chip reference. These DACs provide output signals in the form of VBIAS VSWING. VSWING is derived internally from VBIAS. On-chip control registers include a system control register and channel control registers. The system control register has control over all DACs in the package. The channel control registers allow individual control of DACs. The complete transfer function of each individual DAC can be shifted around the VBIAS point using an on-chip Sub DAC. All DACs contain double buffered data inputs, which allow all analog outputs to be simultaneously updated using the asynchronous LDAC input. Optical Disk Drives Instrumentation and Communication Systems Process Control and Voltage Setpoint Control Trim Potentiometer Replacement Automatic Calibration

Data Sheet, Rev. A, 12/98

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Reference Materials

• Solutions Bulletins & Brochures：Digital to Analog Converters ICs Solutions Bulletin