CN-0200 Circuit Note is a reference circuit designed and built by Analog Devices engineers to provide quick and easy system integration to help solve today’s analog, mixed-signal, and RF design challenges.
The document details the CN-0200 evaluation circuit, which functions as an 18-bit linear, low noise, precision bipolar (+10 V) voltage source. The design utilizes the AD5780 18-bit DAC, the ADR445 voltage reference, and the AD8675 precision operational amplifier to achieve high accuracy and low noise performance.
| DAC Resolution | 18-bit |
|---|---|
| Output Voltage Range | +10 V |
| Integral Nonlinearity (INL) | +1 LSB |
| Differential Nonlinearity (DNL) | +0.75 LSB |
| Noise Spectral Density | 7.5 nV/VHz |
| Temperature Drift | 0.005 LSB/°C |
The circuit uses the AD5780 DAC, ADR445 voltage reference, and AD8675 precision op amp.
The AD5780 Evaluation Software (Ver 1.0) is required.