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LM4040A25IDBZR Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
LM4040A25IDBZRTI10000Yes

LM4040A25IDBZR** is a precision voltage reference manufactured by **Texas Instruments (TI)**.

The LM4040A25IDBZR is a precision voltage reference manufactured by Texas Instruments (TI).

Specifications:

  • Reference Voltage: 2.5V
  • Initial Accuracy: ±0.1% (A-grade)
  • Temperature Coefficient (Max): 50 ppm/°C
  • Operating Current Range: 60 µA to 15 mA
  • Output Current: 15 mA (max)
  • Operating Temperature Range: -40°C to +125°C
  • Package: SOT-23-3 (DBZ)
  • Output Noise (10Hz to 10kHz): 35 µVrms (typical)
  • Long-Term Stability: 20 ppm/1000 hours (typical)
  • Reverse Breakdown Voltage: 2.5V
  • Shunt Current Operation: Yes

Descriptions:

The LM4040A25IDBZR is a precision 2.5V shunt voltage reference with excellent temperature stability and low noise. It operates as a two-terminal device, similar to a Zener diode, but with much tighter voltage tolerances. It is available in multiple grades (A, B, C, D) with varying levels of initial accuracy and temperature drift.

Features:

  • High Accuracy: ±0.1% (A-grade)
  • Low Temperature Drift: 50 ppm/°C (max)
  • Wide Operating Current Range: 60 µA to 15 mA
  • Low Output Noise: 35 µVrms (typical)
  • No External Capacitor Required for stability
  • Small SOT-23 Package for space-constrained applications
  • Reverse Breakdown Voltage Options: 2.048V, 2.5V, 3V, 4.096V, 5V (other variants available)
  • AEC-Q100 Qualified for automotive applications (select versions)

This device is commonly used in precision voltage regulation, data converters, power supplies, and industrial control systems.

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