MP7528

S for Both DACs a On-Chip Latches t V Operation +5 V to +15 a DACs Matched to 1% .D Four Quadrant Multiplication w 15 V CMOS Compatible w See MP7529A or MP7529B for Improved Performance w FEATURES GENERAL DESCRIPTION The MP7528 is a dual 8-bit digital/analog converter designed using EXAR’s proven decoded DAC architecture. It features excellent DAC-to-DAC matching and guaranteed monotonicity. Separate on-chip latches are provided for each DAC to allow easy microprocessor interface. Data is transferred into either of the two DAC data latches via a common 8-bit TTL/CMOS compatible input port. Control input e e h U 4 t m o .c MP7528 CMOS Dual Buffered Multiplying 8-Bit Digital-to-Analog Converter APPLICATIONS Microprocessor Controlled Gain Circuits Microprocessor Controlled Attenuator Circuits Microprocessor Controlled Function Generation Precision AGC Circuits Bus Structured Instruments DACA/DACB determines which DAC is to be loaded. The MP7528’s load cycle is similar to the write cycle of a random access memory and the device is bus compatible with most 8-bit microprocessors. The device operates from a +5V to +15V power supply with only 2 mA of current (maximum). SIMPLIFIED BLOCK AND TIMING DIAGRAM VDD DB7-DB0 DACA/DACB w CS WR w .D w t a S a e h Both DACs offer excellent four quadrant multiplication characteristics with a separate reference input and feedback resistor for each DAC. t e U 4 .c m o VREFA DB7-DB0 DACA/DACB CS WR RFBB OUT...