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MX7628：CMOS, Dual, Buffered, 8-Bit Multiplying DAC

The MX7528/MX7628 contains two 8-bit multiplying digital-to-analog converters (DACs). Separate on-chip latches hold the input data for each DAC to allow easy interface to microprocessors. The data load operation is similar to a static RAM write cycle. Data is loaded using only active-low CS, active-low WR, and DAC Select (active-low DAC A /DAC B) inputs. Each DAC has a separate reference input and internal feedback resistor which allow fully independent operation while maintaining excellent DAC-to-DAC matching. The MX7528 operates from a single +5 to +15V power supply whereas the MX7628 operates from +12V to +15V. The MX7528 has TTL compatible inputs at +5V supply only and the MX7628 has TTL compatible inputs from +12V to +15V supplies. The MX7528/MX7628 is supplied in 20-lead narrow DIP and Small Outline Packages.

Key Features Data Latches For Both DACs MX7528—+5V to +15V Single Supply Operation MX7628—+12V to +15V Single Supply Operation with TTL/CMOS Compatible Inputs ±½ LSB Linearity Microprocessor Compatible Four-Quadrant Multiplication DAC Matched to 1%

MX7528, MX7628: Functional Diagram Applications/Uses Digital-to-Synchro Conversion Digitally Controlled Filters Disk Drives Motion Control Systems Programmable Attenuators X-Y Graphic

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