# REF3440QDBVRQ1 - Texas Instruments Voltage Reference

## Product Summary

The Texas Instruments REF3440QDBVRQ1 is an automotive-grade series voltage reference. It offers low drift, low power consumption, and a small footprint.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | REF3440QDBVRQ1 |
| Manufacturer | Texas Instruments |
| Product Type | Voltage Reference |
| Series | REF34-Q1 |
| Category | Uncategorized |
| Subcategory | New Products |
| Mounting Type | Surface Mount |

## Description

The Texas Instruments REF3440QDBVRQ1 is a high-performance, automotive-qualified series voltage reference designed for demanding applications. It provides a stable and accurate voltage output with a low temperature coefficient of 6 ppm/°C and an initial accuracy of ±0.05% maximum.

This voltage reference operates over a wide input voltage range of 2.55 V to 12 V and can supply an output current of up to ±10 mA. It features a low quiescent current of typically 72 µA, making it suitable for power-sensitive designs. The REF3440QDBVRQ1 also boasts low output 1/f noise (3.8 µVPP/V) and excellent long-term stability of 25 ppm/1000 hrs.

Available in SOT-23 and VSSOP packages, this device is designed for surface mount applications. Its AEC-Q100 qualification ensures reliability in automotive environments, with a temperature grade of 1 (-40°C to +125°C).

Key electrical characteristics include multiple output voltage options (2.5V, 3.0V, 3.3V, 4.096V, 5.0V), a low shutdown current of 2.5 µA typical, and functional safety capabilities.

## Key Specifications

| Specification | Value |
| --- | --- |
| AEC Qualified | Yes |
| Automotive Grade | Yes |
| Tape & Reel | Tape & Reel |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 2 |
| Total Stock | 375 |
| Pricing Available | No |

## Distributor Offers

| Distributor | Stock | Unit Price | MOQ | Lead Time | Last Updated |
| --- | --- | --- | --- | --- | --- |
| Optech Co.,Limited | 200 |  |  |  |  |
| PROSOFT ELECTRONICS | 175 |  |  |  |  |

## Features

- Automotive-grade series voltage reference.
- Low drift and low power consumption.
- ±0.05% maximum initial accuracy.
- 6 ppm/°C maximum temperature coefficient.
- AEC-Q100 qualified for temperature grade 1.

## Applications

- Ideal for automotive sensor signal conditioning.
- Suitable for battery-powered equipment.
- Used in precision measurement systems.
- Applicable in power supply regulation circuits.

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Lead Free | Yes |
| Moisture Sensitivity Level | 1 Unlimited |

## Documents and Media

- Image: https://static.distyparts.com/disty-files/images/fb/59/0b/dbv0006a.png
- Product Page: https://distyparts.com/product/ref3440qdbvrq1
- RFQ URL: https://distyparts.com/product/ref3440qdbvrq1#rfq

## FAQs

### What is the output voltage of the REF3440QDBVRQ1?

4.096V nominal.

### What package options are available?

SOT-23 and VSSOP surface-mount packages.

### What is the operating temperature range?

-40°C to +125°C.

### What is the initial accuracy?

±0.05% maximum.

### What is the temperature coefficient?

6 ppm/°C maximum.

### What is the input voltage range?

2.55V to 12V.

### What is the maximum output current?

±10 mA.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/texas-instruments
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/ref3440qdbvrq1
- Markdown File: https://distyparts.com/product/ref3440qdbvrq1.md
- TXT File: https://distyparts.com/product/ref3440qdbvrq1.txt