REF3333AIDBZR

Texas Instruments

Texas Instruments REF3333AIDBZR, Series Voltage Reference, Fixed 3.3V Output, ±0.15% Tolerance, 30ppm/°C Drift, 8.5µA Supply Current, SOT-23-3 Package, -40°C to 125°C.

Texas Instruments REF3333AIDBZR
[IN STOCK] In Stock: 4,917 pcs
$1.32/ pc

Volume pricing

Buy Now

MOQ 1 · Tape & Reel (TR); Cut Tape (CT) · RoHS · EIA-481 · DAP/DDP · T/T

Technical specifications

REF3333AIDBZR specifications
Parameter / AttributeSpecification / Value
Output typeFixed
MountingSurface Mount
Reference typeSeries
Voltage - input3.5V ~ 5.5V
Voltage - output (Min (Fixed))3.3V
Output current5 mA
Current - supply8.5µA
Operating temperature-40°C ~ 125°C (TA)
PackageTape & Reel (TR); Cut Tape (CT)
Tolerance±0.15%
CaseTO-236-3, SC-59, SOT-23-3
Noise - 0.1Hz to 10Hz92µVp-p
Temperature coefficient30ppm/°C

Technical details

3.3 V fixed output, SOT-23-3 — what this reference delivers

It is designed for applications that need a stable, low-noise voltage rail — think ADC references, sensor excitation, or power-supply monitoring in industrial or automotive environments. The ±0.15% initial tolerance and 30 ppm/°C temperature coefficient keep the output tight across the -40°C to 125°C operating range, so the reference holds its accuracy whether the board sits in a cold warehouse or near a motor drive. Supply current is 8.5 µA typical, which matters for loops that cannot spare much quiescent draw.

Input range and output drive

Output current is rated at 5 mA.

Housed in a SOT-23-3 package (also listed as TO-236-3 / SC-59), this is a three-pin surface-mount device. The small footprint suits dense PCBs, but the limited pin count means no trim or shutdown function — the output is always on when the input is present.

The part is ROHS3 compliant. For current availability and pricing, submit an RFQ — the supply position is confirmed at quote time through independent distribution.

REF3333AIDBZR
[ALLOC] verified
Quote