LM4040A41IDBZR

Voltage References 4.096V Precision Mcrpwr Shunt .1% acc
4,837 Effective Inventory

LM4040A41IDBZR

Effective Inventory4,837

Voltage References 4.096V Precision Mcrpwr Shunt .1% acc

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Service & Packaging

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LM4040A41IDBZR DataSheet
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Details

IV. The LM4040A41IDBZR is a shunt voltage reference that offers versatility and ease of use in a wide range of applications. The 2-pin fixed-output device requires no external capacitors for operation and provides stable performance with all capacitive loads. With low dynamic impedance, low noise, and low temperature coefficient, the LM4040 ensures a stable output voltage over a wide range of operating currents and temperatures. The device offers four output voltage tolerances, ranging from 0.1% (max) for the A grade to 1% (max) for the D grade, providing flexibility for designers to choose the best cost-to-performance ratio for their specific applications. Packaged in space-saving SC-70 and SOT-23-3 packages, the LM4040 requires a minimum current of 45 µA (typ), making it ideal for portable applications. The LM4040xI is characterized for operation over an ambient temperature range of –40°C to 85°C, while the LM4040xQ is characterized for operation over an ambient temperature range of –40°C to 125°C

Key Features

  • The device operates over a wide temperature range
  • -40°C to 125°C ensures reliable performance
  • making it perfect for industrial use cases

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

VO (V) 2.048, 2.5, 3, 4.096, 5, 8.192, 10 Initial accuracy (max) (%) 0.1, 0.2, 0.5, 1
VO adj (min) (V) 2.048 VO adj (max) (V) 10
Iz for regulation (min) (µA) 45 Reference voltage (V) Fixed
Rating Catalog Temp coeff (max) (ppm/°C) 150
Operating temperature range (°C) -40 to 125, -40 to 85 Iout/Iz (max) (mA) 15

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM4040A41IDBZR PDF Download

FAQs

What is LM4040A41IDBZR?

The LM4040A41IDBZR is a precision voltage reference diode designed by Texas Instruments. It is a 4.096V precision voltage reference with a typical temperature coefficient of 100 ppm/°C and high accuracy.

How Does LM4040A41IDBZR Work?

The LM4040A41IDBZR works by providing a stable and accurate reference voltage output of 4.096V. It is based on a bandgap voltage reference design, which provides a stable voltage output over a wide temperature range. The device is typically used as a reference for analog-to-digital converters, power supplies, and other precision analog circuits.

How Many Pins does LM4040A41IDBZR have and What are the Functions of the Pinout Configuration?

The LM4040A41IDBZR is housed in a 3-pin SOT-23 package. The pinout configuration includes:

  • V+: Anode pin.
  • Vout: Voltage output pin (4.096V).
  • V-: Cathode pin.

What are the Pros and Cons of LM4040A41IDBZR?

Pros:

  • Precision Voltage Reference: Provides a stable and accurate 4.096V reference voltage.
  • Low Temperature Coefficient: Has a typical temperature coefficient of 100 ppm/°C, ensuring stability across temperature variations.
  • Small Package: Compact SOT-23 package for space-efficient designs.
  • Low Power Consumption: Operates with very low quiescent current, making it suitable for battery-powered applications.

Cons:

  • Single Voltage Output: Only provides a fixed 4.096V reference voltage, not suitable for applications requiring variable voltage references.
  • Requires Decoupling Capacitor: May require an external decoupling capacitor for optimal performance in some applications.

Are There Any Equivalents/Alternatives to LM4040A41IDBZR for Recommendation?

Other precision voltage references with similar features and performance include the LT1461 from Analog Devices and the MAX619 from Maxim Integrated.

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