LM4040D50IDBZR

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LM4040D50IDBZR

IC VREF SHUNT 1% SOT23-3

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
ReferenceType Shunt
OutputType Fixed
Voltage-Output(Min/Fixed) 5V
Current-Output 15 mA
Tolerance ±1%
TemperatureCoefficient 150ppm/°C
Noise-10Hzto10kHz 80µVrms
Current-Cathode 95 µA
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

Vue d'ensemble

Description

The LM4040D50IDBZR is a fixed-output shunt voltage reference from Texas Instruments (LM4040 family). It provides a precise reference voltage referenced to ground for analog circuitry, using only a small bias current from the supply.
Key points:
- Fixed Vout: the nominal output is defined by the D50 variant (check the datasheet for the exact value).
- Shunt regulator: Anode to ground, cathode to Vin via a bias resistor; Vout is the voltage across the device.
- Low power and good temperature stability; suitable as a precision reference for ADC/DACs, regulators, and sensor interfaces.
- Package: IDBZR indicates a RoHS-compliant, compact SOT-23–style package.
Design notes:
- Bias current must be chosen per datasheet to keep the device in regulation across temperature.
- Use the recommended resistor to set current; ensure Vin exceeds Vout by the required headroom.
For exact electrical specs (tolerance, tempco, Iout range, pinout), consult the TI LM4040D50IDBZR datasheet.

Features

LM4040D50IDBZR is TI’s fixed-output shunt voltage reference. Key features:
- Fixed reference: 4.096 V nominal (D50 variant) with high accuracy
- Precision/shunt regulator: low dynamic impedance and tight initial accuracy
- Temperature stability: low tempco for stable output over temperature
- Wide operating current: supports a broad Imin…Imax range (works from microamps to a few milliamps)
- Low noise and good line/load regulation
- Easy to use: two-terminal shunt device (no external reference resistor needed for regulation)
- Package options: small, surface-mount packages (e.g., SOT-23, SC‑70) with RoHS-compliant variants
- Robustness: suitable for ADC references, voltage references in instrumentation, and regulator ancillary applications
Note: exact electrical specs (accuracy, tempco, current ranges) vary by lot and package. Please consult the TI datasheet for the precise numbers for your lot/marking.

Package

SOT-23 (3-pin) package; Pb-free RoHS-compliant (IDBZR suffix).

Pinout

- Pin count: 3 pins (SOT-23-3 package).
- Function: Fixed shunt voltage reference (2.50 V). It clamps its cathode-to-anode voltage to ~2.5 V and is used as a precision reference in regulator circuits (cathode to the input through a resistor, anode to ground; third pin typically not connected or used as per package).

Manufacturer

Texas Instruments (TI). TI is a global semiconductor company that designs and manufactures analog and mixed-signal integrated circuits used in a wide range of electronic systems.

Application

LM4040D50IDBZR is a low‑power, precision shunt voltage reference. Applications include:
- Stable reference for ADC/DAC and precision analog circuits
- Bias/reference for op-amps, comparators, and sensor front‑ends
- Reference node for microcontrollers and battery‑ powered portable gear
- Reference in small linear or switching power supplies
- LED driver and display circuit references needing stable voltage

Equivalent

LM4040D50IDBZR is TI’s 2.5 V fixed shunt voltage reference (two-terminal). Do you want cross-references to parts from specific vendors (e.g., Analog Devices, ON Semiconductor, Microchip, NXP, Renesas)? If yes, tell the target vendors and I’ll provide exact equivalents.

Expédition

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DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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