MAX543BCSA+T

The MAX543BCSA+T is a CMOS, 12bit, serial input multiplying digital to analogue converter (DAC) in 8 pin NSOIC package. Its 3-wire serial interface saves additional board space and also results in low power dissipation. When used with microprocessors (µPs) with a serial port, the MAX543 minimizes the digital noise feedthrough from its input pins to its output. The serial port can be used as a dedicated analogue bus and kept inactive while the MAX543 is in use. Serial interfacing also reduces the complexity of opto or transformer isolated applications. The MAX543 contains a 12bit R-2R type DAC, a serial-in parallel out shift register, a DAC register and control logic. It is typically used at automatic calibration, motion control systems, µP-controlled systems, programmable amplifiers/attenuators and digitally controlled filters.

• Supply voltage of 4.75V to 5.25V, 11.4V to 15.75V
• Operating temperature range from 0°C to 70°C
• With a +5V supply, the digital inputs are TTL and +5V CMOS compatible
• Fast 3-wire serial interface
• Low INL and DNL (±1LSB max)
• Gain accuracy to ±2LSB max
• Low gain tempco (5ppm/°C max)
• TTL/CMOS compatible
• ESD protected
• µP-Controlled Systems; Automatic Calibration; Digitally Controlled Filters; Motion-Control Systems; Programmable Amplifiers/Attenuators

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