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REF5040AIDR

The Texas Instruments REF5040AIDR is a precision voltage reference offering a stable 4.096V output. It is designed for automotive applications with low noise and low drift characteristics.

✓ Total Stock: 8,630 pcs

$ Price Range: $1.60

REF5040AIDR Available from 4 distributors

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Smaxon Electronics ✓ Non-Authorised Inventory information	4,829 pcs On Request	4829 pcs	On Request	1	On Request	On Request	19+	On Request	On Request
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Optech Co.,Limited ✓ Non-Authorised Inventory information	134 pcs On Request	134 pcs	On Request	1	On Request	On Request	21+	On Request	On Request
HK XINYUANXIN ELECTRONIC TECH LIMITED ✓ Non-Authorised Inventory information	On Request On Request	On Request	On Request	1	On Request	On Request	On Request	On Request	On Request

REF5040AIDR Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Texas Instruments
Operating Temperature Range	-40°C to 125°C
Output Current	±10 mA
Temperature Coefficient	8 ppm/°C
Tolerance	0.1 %
Voltage	4.096 V

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REF5040AIDR Description

Short technical summary and product information.

The REF5040AIDR from Texas Instruments is a high-precision, low-noise, and very-low drift voltage reference designed for demanding applications, including automotive environments. It provides a stable 4.096V output voltage with a maximum temperature coefficient of 8 ppm/°C and an initial accuracy of 0.1%.

This voltage reference is capable of both sinking and sourcing current up to ±10 mA, making it versatile for various circuit designs. It operates over a wide temperature range of -40°C to 125°C and features low frequency noise of 12 µVPP at 0.1 Hz to 10 Hz. The device also exhibits excellent long-term stability, with a typical drift of 5 ppm/1000 hr after 1000 hours.

The REF5040AIDR is housed in an 8-pin SOIC package with dimensions of 4.9 mm × 6 mm, occupying 29.4 mm². Its robust design ensures reliability against line and load variations, making it suitable for critical systems requiring precise voltage regulation.

REF5040AIDR Quick Information

Product Type: Voltage Reference

Series: REF50xxA-Q1

Canonical Name: Texas Instruments REF5040A-Q1 Voltage Reference

Subcategory: Precision Voltage Reference

REF5040AIDR Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

REF5040AIDR Estimated Pricing

Qty	Low	High
1+	$1.60	$1.60

Estimated market price range - modelled values for guidance only, not live distributor offers.

REF5040AIDR Features

Automotive qualified precision voltage reference.
Low noise and very low drift.
4.096V stable output voltage.
±10 mA sink and source current.
Wide -40°C to 125°C operating range.

REF5040AIDR Applications

Provides stable reference for data converters.
Used in power management systems.
Suitable for sensor signal conditioning.
Ideal for automotive control modules.
Ensures accurate measurement circuits.

REF5040AIDR FAQs

6 frequently asked questions generated from this part’s specifications.

What is the output voltage of the REF5040AIDR?

The output voltage is 4.096 V.

What is the temperature coefficient of the REF5040AIDR?

The maximum temperature coefficient is 8 ppm/°C.

What is the initial accuracy of the REF5040AIDR?

The maximum initial accuracy is 0.1%.

What is the operating temperature range for this voltage reference?

The operating temperature range is -40°C to 125°C.

Can the REF5040AIDR sink and source current?

Yes, it is capable of both sinking and sourcing current up to ±10 mA.

What is the low frequency noise specification?

The low frequency noise is 12 µVPP typical between 0.1 Hz and 10 Hz.