2 Pcs. Maxim MAX552ACPA +3V 12-Bit Serial Multiplying DAC 8-DIP

Description

Two unused parts in Maxim sample case. From the data sheet:
General Description
The MAX552 is a 12-bit, current-output, 4-quadrant multiplying digital-to-analog converter (DACs).These devices are capable of providing unipolar or bipolar outputs when operating from a single +3V power supply. An internal power-on-reset circuit clears all DAC registers on power-up, setting the DAC output voltage to 0V.The SPI/QSPI and MICROWIRE compatible 3-wire serial interface saves board space and reduces power dissipation compared with parallel-interface devices. The MAX552 features double-buffered interface logic with a 12-bit input register and a 12-bit DAC register. Data in the DAC register sets the DAC output voltage. Data is loaded into the input register through the serial interface. The LOAD input transfers data from the input register to the DAC register, updating the DAC output voltage.
Features
Single-Supply Operation: +2.7V to +3.6V (MAX552)
12.5MHz 3-Wire Serial Interface
SPI/QSPI and MICROWIRE Compatible
Power-On Reset Clears DAC Output to Zero
Voltage Mode or Bipolar Mode Operation with a Single Power Supply
Schmitt-Trigger Digital Inputs for Direct Optocoupler Interface
0.4μA Supply Current
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