The AD7542KN is a precision 12-bit CMOS multiplying DAC designed for direct interface to 4- or 8-bit microprocessors.
The functional diagram shows the AD7542KN to consist of three 4-bit data registers, a 12-bit DAC register, address decoding logic and a 12-bit CMOS multiplying DAC. Data is loaded into the data registers in three 4-bit bytes, and subsequently transferred to the 12-bit DAC register. All data loading or data transfer operations are identical to the WRITE cycle of a static RAM. A clear input allows the DAC register to be easily reset to all zeros when powering up the device.
Feature
- Resolution: 12 Bits
- Nonlinearity: ±1/2 LSB Tmin to Tmax
- Low Gain Drift: 2ppm/°C typ, 5ppm/°C max
- Microprocessor Compatible
- Full 4-Quadrant Multiplication
- Fast Interface Timing
- Low Power Dissipation: 40 mW max
- Low Cost
- Small Size: 16-pin DIP and 20-Terminal Surface Mount Package
- Latch Free (Protection Schottky Not Required)
