REF35 Ultra Low-Power, High-Precision Voltage Reference

1 Features

Ultra-low quiescent current:
- 650nA (typical)
Initial accuracy: ±0.05% (maximum)
Temperature coefficient (maximum):
- 12ppm/°C (−40°C to 105°C, SOT23 package)
- 10ppm/°C (−40°C to 85°C, WCSP package)
Output 1/f noise (0.1Hz to 10Hz): 3.3ppm_P-P
NR pin to reduce noise
EN pin to reduce shutdown current consumption
Long-term stability: 40ppm at 1k hour
Thermal hysteresis: 70ppm
Operating temperature range: −55°C to +125°C
Output current: +10mA, −5mA
Input voltage: V_REF + V_DO to 6V
Output voltage options:
- 1.024V, 1.2V, 1.25V, 1.6V, 1.8V, 2.048V,
  2.5V, 3.0V, 3.3V, 4.096V, 5.0V
Small footprint 6-pin SOT−23 package
Smallest footprint 4-pin WCSP package