TLE2425MJGB

Overview

The TLE2425MJGB is a precision virtual ground generator from Texas Instruments, designed for single-supply analog systems. It provides a stable 2.5V reference point relative to system ground. The device operates with an input voltage range of 4V to 40V and supports an operating temperature range of -55°C to 125°C. It features a typical bias current of 170 µA and can source or sink up to 20 mA. The output impedance is typically 0.0075 Ω, ensuring low-impedance drive capabilities.

Feature Summary

• Integrates a micropower voltage reference and high-performance operational amplifier into a single silicon chip.
• Provides increased dynamic signal range and improved signal-to-noise ratio in single-supply applications.
• Delivers excellent regulation characteristics with low output impedance and minimal drift.

Applications

• Signal-conditioning front ends for data acquisition systems requiring 12-bit accuracy or higher.
• Termination of signal grounds in single-power source analog circuits.
• Interfacing components such as ADCs and DACs that require a precise mid-rail reference.

Procurement Notes

Verify the specific suffix MJGB against the latest TI Package Option Addendum to confirm active status and lead finish details. Ensure the ordering configuration matches the required package type and temperature grade. Cross-reference the manufacturer part number with official distributor catalogs to validate availability and compliance documentation prior to procurement.

Selection Notes

Select this component when a precision 2.5V virtual ground is needed for 5V/GND analog systems. It eliminates the need for external resistors, capacitors, and op-amps typically used in virtual ground generation. Consider the -55°C to 125°C temperature range and TO-92/TO-226AA package constraints for your thermal and spatial requirements.

Part Context

The TLE2425 series serves as a dedicated solution for creating a virtual ground in single-supply environments. By combining a precision reference with a power amplifier, it simplifies circuit design compared to discrete resistor-capacitor networks. This integration reduces component count, board space, and potential error sources associated with traditional virtual ground implementations.

Replacement Considerations

TLE2425CD

FAQ

What is the primary function of the TLE2425?

It generates a precise 2.5V virtual ground for single-supply analog systems, acting as a reference voltage for signal termination.

How does the TLE2425 improve system performance?

It offers improved signal-to-noise ratio, lower distortion, and better signal accuracy compared to standard resistor-capacitor virtual ground circuits.