REF191GSZ
| Input voltage range: | - |
| Output voltage range [V]: | 2,048V |
| Tolerance: | 0,49% |
| Operating temperature (range): | -40°C ~ 85°C |
| Case: | SOP08 |
| Temperature coefficient: | 25ppm/°C |
| Input voltage range: | - |
| Output voltage range [V]: | 2,048V |
| Tolerance: | 0,49% |
| Operating temperature (range): | -40°C ~ 85°C |
| Case: | SOP08 |
| Temperature coefficient: | 25ppm/°C |
The REF191 circuit is a precision series band-gap voltage reference (thermally compensated), offering a stable reference voltage, high accuracy, low thermal drift, low dropout voltage, and low power consumption. It also features a sleep mode that further reduces power consumption.
Key Features: (for Ta = 25°C)
- Reference voltage: 2.048V
- Reference voltage accuracy: ±10mV;
- Temperature coefficient of reference voltage: typ. 10ppm/°C for -40÷85°C;
- Reference voltage change due to input voltage variation: typ. 4ppm/V;
- Reference voltage change due to load current variation: typ. 6ppm/mA;
- Long-term stability (1000h @ 125°C): 1.2mV;
- Minimum supply voltage: 2.3÷3.4V;
- Current consumption:
Active mode: 45µA;
Sleep mode: 15µA;
- Output current: 30mA;
- Noise voltage: 20÷40µV p-p;
- Operating temperature: -40÷85°C;
Example Applications:
- A/D and D/A converters;
- High-precision measuring instruments;
- Portable equipment.