This document introduces the ADR01/ADR02/ADR03/ADR06, which are four ultracompact and precision voltage reference products. These products are characterized by low temperature coefficient, high initial accuracy, no external capacitor required, low noise, wide operating range, high output current, and wide temperature range. They are suitable for precision data acquisition systems, high resolution converters, industrial process control systems, precision instruments, and PCMCIA cards.
The ADRO series provides ultracompact, high‑accuracy voltage references in 5‑lead SC70, TSOT and 8‑lead SOIC packages. They are suited for precision data‑acquisition systems, high‑resolution converters, industrial process control, and other precision instruments.
Key specifications include a typical output voltage of 10 V (ADRO1), 5 V (ADRO2), 2.5 V (ADRO3) and 3 V (ADRO6), initial accuracy as low as ±0.05 %, temperature coefficients down to 3 ppm/°C, and a supply voltage headroom of 2 V. The devices operate over a wide temperature range (‑40 °C to +125 °C) and require no external capacitor.
| Output Voltage (typical) | 10.0 V (ADRO1), 5.0 V (ADRO2), 2.5 V (ADRO3), 3.0 V (ADRO6) |
|---|---|
| Temperature Coefficient | 3 ppm/°C (A grade, 8‑lead SOIC) to 40 ppm/°C (C grade) |
| Supply Voltage Headroom | 2 V |
ADRO1 operates from 12.0 V to 40.0 V.
The typical output voltage of ADRO2 is 5.0 V.
All ADRO devices are rated for an operating temperature range of –40 °C to +125 °C.
No external capacitor is required for the ADRO voltage references.