REF50E
Enhanced low-noise (0.5µVpp/V), low-drift (2.5ppm°/C), wide-VIN (42V) precision voltage reference
REF50E
- Low temperature drift (maximum):
- Enhanced-grade (New): 2.5ppm/°C
- High-grade: 3ppm/°C
- Standard-grade: 8ppm/°C
- High accuracy (maximum):
- Enhanced-grade: 0.025%
- High-grade: 0.05%
- Standard-grade: 0.1%
- Low noise:
- Enhanced-grade: 0.5µVPP/V
- High/Standard-grade: 3µVPP/V
- Excellent long-term stability:
- 22ppm after first 1000 hours (SOIC-8)
- 50ppm after first 1000 hours (VSSOP-8)
- Wide input voltage support:
- Enhanced-grade: 42V
- High/Standard-grade: 18V
- High-output current: ±10mA
- Temperature range: -40°C to 125°C
The REF50xx is a family of low-noise, low-drift, very high precision voltage references. These references are capable of both sinking and sourcing current, and have excellent line and load regulation.
Excellent temperature drift (2.5ppm/°C) and high accuracy (0.025%) are achieved using proprietary design techniques. These features, combined with very low flicker noise (0.5µVPP/V), make the REF50xx family an excellent choice for use in high-precision data acquisition systems. REF50 family is available in enhanced grade (REF50xxEI), high grade (REF50xxI) and standard grade (REF50xxAI). The reference voltages are offered in 8-pin SOIC and VSSOP packages and are specified from –40°C to 125°C.
The REF50xxEI supports wide supply voltage rating of 42V with ultra-low IQ of 340µA. The wide supply range allows for direct connection to the battery or field supply. This also protects the device in case of power supply IC failure.
Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | REF50xx Low-Noise, Very Low Drift, Wide VIN Precision Voltage Reference datasheet (Rev. M) | PDF | HTML | 12 Dec 2024 |
Design & development
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Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
SOIC (D) | 8 | Ultra Librarian |
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