# REF3433QDBVRQ1 - Texas Instruments Voltage Reference

## Product Summary

The Texas Instruments REF3433QDBVRQ1 is an automotive-qualified series voltage reference. It provides a stable 3.3V output with high accuracy and low temperature drift.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | REF3433QDBVRQ1 |
| Manufacturer | Texas Instruments |
| Product Type | Voltage Reference |
| Series | REF34-Q1 |
| Category | Uncategorized |
| Subcategory | Series Voltage References |
| Mounting Type | Surface Mount |

## Description

The Texas Instruments REF3433QDBVRQ1 is a low-drift, low-power, small-footprint series voltage reference designed for automotive applications. It offers a precise 3.3V output voltage with a maximum initial accuracy of ±0.05% and a maximum temperature coefficient of 6 ppm/°C.

This voltage reference operates over a wide input voltage range from 2.55V to 12V and can supply an output current of up to ±10 mA. It features a low quiescent current of typically 72 µA and a low shutdown current of 2.5 µA. The device also exhibits low output 1/f noise, with a typical value of 12.5 µVPP from 0.1 Hz to 10 Hz.

Designed for reliability, the REF3433QDBVRQ1 is AEC-Q100 qualified and operates within an ambient temperature range of -40°C to +125°C. It is available in compact SOT-23 (5 and 6-pin) and 8-pin VSSOP packages, suitable for surface mount applications.

Key electrical characteristics include ±0.05% initial accuracy, 6 ppm/°C temperature coefficient, and ±10 mA output current capability. The device is also Functional Safety-Capable, making it suitable for critical systems.

## Key Specifications

| Specification | Value |
| --- | --- |
| AEC Qualified | Yes |
| Automotive Grade | Yes |
| Industrial Grade | No |
| Lead Spacing | 0.95 mm |
| Lead Style | Gull Wing |
| Medical Grade | No |
| Military Grade | No |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40 °C to 125 °C |
| Output Current | ±10 mA |
| Output Voltage | 3.3 V |
| Package / Case | SOT-23 / VSSOP |
| Quiescent Current | 72 µA |
| SVHC Present | Not Present |
| Tape & Reel | Yes |
| Temperature Coefficient | 6 ppm/°C |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 2 |
| Total Stock | 7,012 |
| Pricing Available | No |

## Distributor Offers

| Distributor | Stock | Unit Price | MOQ | Lead Time | Last Updated |
| --- | --- | --- | --- | --- | --- |
| Smaxon Electronics | 6,000 |  |  |  |  |
| Xingangxin | 1,012 |  |  |  |  |

## Features

- Automotive, low-drift, low-power, small-footprint series voltage reference.
- High initial accuracy of ±0.05% maximum.
- Low temperature coefficient of 6 ppm/°C maximum.
- Wide input voltage range from 2.55V to 12V.
- Available in SOT-23 and VSSOP packages.

## Applications

- Suitable for automotive applications.
- Ideal for low-power designs.
- Used in systems requiring high accuracy.
- Applicable in temperature-sensitive environments.

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Moisture Sensitivity Level | 1 Unlimited |
| SVHC Present | Not Present |

## Documents and Media

- Image: https://static.distyparts.com/disty-files/images/fb/59/0b/dbv0006a.png
- Product Page: https://distyparts.com/product/ref3433qdbvrq1
- RFQ URL: https://distyparts.com/product/ref3433qdbvrq1#rfq

## FAQs

### What is the output voltage of the REF3433QDBVRQ1?

The nominal output voltage is 3.3V.

### What is the temperature coefficient of the REF3433QDBVRQ1?

Maximum 6 ppm/°C.

### What is the initial accuracy of this voltage reference?

±0.05% maximum.

### What is the maximum output current?

10 mA.

### What is the input voltage range?

2.55V to 12V.

### What is the operating temperature range?

-40°C to 125°C.

### What package options are available for the REF3433QDBVRQ1?

The device is available in SOT-23 and VSSOP surface-mount packages.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/texas-instruments
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/ref3433qdbvrq1
- Markdown File: https://distyparts.com/product/ref3433qdbvrq1.md
- TXT File: https://distyparts.com/product/ref3433qdbvrq1.txt