The MAX6043 precision voltage reference provides accurate preset +2.5V, +3.3V, +4.096V, +5.0V, and +10V reference voltages from up to +40V input voltages
The MAX6043 precision voltage reference provides preset output options of +2.5 V, +3.3 V, +4.096 V, +5.0 V or +10 V from a supply of 4.5 V to 40 V. It uses band‑gap technology with laser‑trimmed thin‑film resistors, delivering a temperature coefficient of only 15 ppm/°C (max) and an initial accuracy of 0.05 % (max). The device draws 320 µA quiescent current and can source up to 10 mA or sink 0.6 mA.
The reference is stable without an external output capacitor and can drive capacitive loads up to 100 µF. It operates over an automotive temperature range of –40 °C to +125 °C, making it suitable for high‑performance, battery‑operated systems and precision data‑converter applications.
| Output Voltages | +2.5 V, +3.3 V, +4.096 V, +5.0 V, +10 V |
|---|---|
| Temperature Coefficient | 15 ppm/°C (max) |
| Initial Accuracy | 0.05 % (max) |
| Quiescent Supply Current | 320 µA |
| Load Current | Source up to 10 mA, sink up to 0.6 mA |
| Operating Temperature Range | -40 °C to +125 °C |
| Capacitive Load Stability | Stable up to 100 µF without external capacitor |
| Output Noise (2.5 V output) | 4 µV P‑P (typ) |
The MAX6043 consumes 320 µA of quiescent supply current.
No, the device is stable without an external output capacitor and can drive loads up to 100 µF.
The temperature coefficient is 15 ppm/°C (max).
The device provides +2.5 V, +3.3 V, +4.096 V, +5.0 V, or +10 V outputs.