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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage ReferenceREF1933AIDDCT
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REF1933AIDDCT - Texas Instruments

Manufacturer Part Number
REF1933AIDDCT
Manufacturer
Texas Instruments
Allelco Part Number
32D-REF1933AIDDCT
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC VREF SERIES 0.1% SOT23-5
Package
SOT-23-THIN
Data sheet
1.REF1933AIDDCT.pdf ...
RoHs Status
ROHS3 Compliant
Our certification
In stock: 12409

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Specifications

REF1933AIDDCT Tech Specifications
Texas Instruments - REF1933AIDDCT technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - REF1933AIDDCT

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Output (Min/Fixed) 3.3V  
Voltage - Input 3.32V ~ 5.5V  
Tolerance ±0.1%  
Temperature Coefficient 25ppm/°C  
Supplier Device Package SOT-23-THIN  
Series -  
Reference Type Series  
Package / Case SOT-23-5 Thin, TSOT-23-5  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Output Type Fixed  
Operating Temperature -40°C ~ 125°C (TA)  
Noise - 10Hz to 10kHz -  
Noise - 0.1Hz to 10Hz 12ppmp-p  
Mounting Type Surface Mount  
Current - Supply 460µA  
Current - Output 20 mA  
Base Product Number REF1933  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

REF1933AIDDCT

Manufacturer

Texas Instruments

Introduction

The REF1933AIDDCT is a high-precision, low-power, series voltage reference from Texas Instruments designed for power management applications.

Product Features and Performance

High accuracy voltage reference at 3.3V

Stable output current of 20 mA

Excellent temperature stability with a coefficient of 25ppm/°C

Low dropout voltage

Low noise performance of 12ppmp-p between 0.1Hz to 10Hz

Product Advantages

Precision output tolerances within ±0.1%

Operates over a wide input voltage range from 3.32V to 5.5V

Suitable for battery-powered applications with low supply current draw of 460µA

Key Technical Parameters

Output Voltage: 3.3V (Min/Fixed)

Output Current: 20 mA

Tolerance: ±0.1%

Temperature Coefficient: 25ppm/°C

Input Voltage Range: 3.32V ~ 5.5V

Supply Current: 460µA

Operating Temperature Range: -40°C ~ 125°C

Quality and Safety Features

Built-in thermal and overload protection

Reliability across the -40°C to 125°C temperature range

Compatibility

Compatible with various surface mount techniques

Available in SOT-23-5 Thin, TSOT-23-5 packages

Application Areas

Power management in consumer electronics

Precision voltage regulation in industrial equipment

Portable battery-powered devices

Data acquisition systems

Microprocessor and FPGA power supplies

Product Lifecycle

Product Status: Active

No impending discontinuation announced

Options for upgrades or replacements present in Texas Instruments' voltage reference portfolio

Several Key Reasons to Choose This Product

High-precision reference voltage improves system accuracy

Low temperature coefficient assures performance stability over temperature

Low noise amplifies system signal integrity

A wide range of applications due to versatile operating conditions

Reliable power management component from an industry-leading manufacturer

Active product status ensures long-term availability and support

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments REF1933AIDDCT

Product Attribute REF1930AIDDCT REF1933AIDDCR REF1941AIDDCT REF1930AIDDCR
Part Number REF1930AIDDCT REF1933AIDDCR REF1941AIDDCT REF1930AIDDCR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Voltage - Input - - - -
Temperature Coefficient - - - -
Voltage - Output (Min/Fixed) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Noise - 0.1Hz to 10Hz - - - -
Reference Type - External, Internal External External, Internal
Base Product Number - DAC34H84 MAX500 ADS62P42
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Current - Output - - - -
Current - Supply - - - -
Series - - - -
Noise - 10Hz to 10kHz - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Tolerance - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C

REF1933AIDDCT Datasheet PDF

Download REF1933AIDDCT pdf datasheets and Texas Instruments documentation for REF1933AIDDCT - Texas Instruments.

HTML Datasheet
REF1925,30,33,41 Datasheet.pdf

Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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REF1933AIDDCT Image

REF1933AIDDCT

Texas Instruments
32D-REF1933AIDDCT

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