The MAX6220 is a low-noise, precision voltage reference with extremely low temperature coefficient and excellent initial accuracy. It features buried-zener technology for low noise performance. The MAX6220 is ideal for high-resolution data-conversion systems with outputs at 2.5V, 4.096V, and 5.0V.
The MAX6220 is a low-noise, precision voltage reference designed for high-resolution data-conversion systems up to 16 bits. It features buried-zener technology to achieve extremely low temperature coefficients over the automotive range (-40°C to +125°C) and excellent initial accuracy.
The device offers three fixed output voltages: 2.5V, 4.096V, and 5.0V. Key electrical characteristics include a very low noise floor of 1.5uVp-p (for the 2.5V version) from 0.1Hz to 10Hz, an input voltage range of 8V to 40V, and guaranteed load regulation for source and sink currents up to 15mA.
| Output Voltage Options | +2.5V, +4.096V, +5V |
|---|---|
| Temperature Coefficient | 20ppm/°C |
| Initial Accuracy | +0.1% |
| Output Noise (2.5V model) | 1.5uVp-p |
| Input Voltage Range | 8V to 40V |
| Output Current Capability | +/-15mA |
| Long-Term Stability | 20ppm/1000hr |
The device is set for three specific output voltages: 2.5V, 4.096V, and 5.0V.
It operates over the automotive temperature range from -40°C to +125°C.
The load-regulation specification is guaranteed for source and sink currents up to 15mA.