MAX543ACPA+

The MAX543ACPA+ is a single, current output, multiplying, 12bit digital to analogue converter (DAC) in 8 pin DIP package. This serial CMOS DAC has 3-wire serial interface which saves additional board space and also results in low power dissipation. The MAX543 minimizes digital noise feed-through from its input pins to its output when used with microprocessors with serial port. The serial port can be used as a dedicated analogue bus and kept inactive while MAX543 is in use. It contains 12bit R-2R type DAC, serial-in parallel-out shift register, DAC register and control logic. The digital inputs are TTL and +5V CMOS compatible with +5V supply. High voltage CMOS compatibility is maintained with +15V supply. The MAX543 uses low tempco thin film resistors which are laser trimmed to ±1/4LSB linearity and better than ±1LSB gain accuracy. It is used in µP controlled systems, automatic calibration, digitally controlled filters, motion control systems & programmable amplifiers/attenuators.

• Supply voltage range is 4.75V to 5.25V, 11.4V to 15.75V
• Operating temperature range from 0°C to 70°C
• Gain error of ±1LSB at TA = 25°C and low gain tempco of 1ppm/°C
• Low integral nonlinearity (INL) of ±1/2LSB and differential nonlinearity (DNL) ±1/2LSB
• Digital inputs are protected against ESD damage and can withstand over 5000V of ESD voltages
• DC supply rejection (PSR) of ±0.001%/%
• Serial interfacing reduces the complexity of opto or transformer isolated applications
• Specified with single power supply of either +5V or +15V
• Current settling time of 0.25μs

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