REF35 is a 0.68µA Quiescent Current, 6ppm/°C Drift, Ultra Low Power Precision Voltage Reference

The REF35 is a nanopower, low drift, high precision family of reference devices. The REF35 family has a high initial accuracy of ±0.05 % and typically consumes less than 700 nA. Low temperature drift (10 ppm/°C) and long term drift (20 ppm @ 1000 hours) ensure system stability and reliability. Low power consumption combined with high precision specifications for a variety of portable and low current applications.

The REF35 delivers up to 10 mA with 8.5 ppm p-p noise and 30 ppm/mA load regulation. With this feature set, the REF35 creates a powerful low noise high precision power supply for the precision ACPM-7311-TR1 sensor and 12–16b data converter.

The series is fully specified for operation in the temperature range of -40°C to 125°C, and operates normally in the temperature range of -55°C to 125°C. Wide temperature for industrial applications.

The REF35 is available in wide output voltage variants from 1.024 V to 5.0 V. The device is available in a space-saving SOT23-6-pin package. For other voltage options, please contact your TI sales representative.

characteristic:

●Ultra low quiescent current:

○680 nA (typ.)

●Initial accuracy: ±0.05% (maximum)

●Temperature coefficient:

○ 10 ppm/°C (-40°C to 125°C max)

Output 1/f noise (0.1 Hz to 10 Hz): 8.5 ppm P-P

NR pin to reduce noise

●EN pin reduces shutdown current consumption

Excellent long-term stability: 20 ppm @ 1k hr

●Excellent thermal hysteresis: 20 ppm

●Specified temperature range: -40°C to +125°C

●Operating temperature range: -55°C to +125°C

●Output current: +10 mA, -5 mA

●Input voltage: V REF + V DO to 6 V

●Output voltage options:

○1.024 V, 1.2 V, 1.25 V, 1.6 V, 1.8 V, 2.048 V, 2.5 V, 3.0 V, 3.3 V, 4.096 V, 5.0 V

Small size 6-pin SOT-23 package

parameter:

Oxygen uptake (V): 1.024, 1.25, 1.6, 1.8, 2.048, 2.5, 3.0, 3.3, 4.096, 5

Initial Accuracy (Maximum) (%): 0.05

Temperature Coefficient (Max) (ppm/°C): 6

Input Voltage (Min) (V): 1.7

Input Voltage (Max) (V): 6

Iq (typ) (uA): 0.68

Operating temperature range (°C): -40 to 125