Texas Instruments TLE2425ID

Overview

TLE2425ID from Texas Instruments is a precision 2.5-V virtual ground generator IC designed for single-supply 5-V analog signal-conditioning systems. It integrates a micropower voltage reference and high-performance op-amp in an 8-pin SOIC package, delivering ±20 mA output current, 7.5 mΩ typical output impedance, and 170 µA quiescent bias current - enabling accurate mid-rail biasing in data acquisition front ends and mixed-signal interfaces.

For engineers reviewing the TLE2425ID datasheet, TLE2425ID pinout, TLE2425ID application, or TLE2425ID equivalent, key selection criteria include its −55°C to 125°C operating range, 2.5 V ±20 mV output accuracy over temperature, input regulation of ≤100 µV/V, load regulation of ±250 µV across ±10 mA, and low-noise (100 µV_RMS, 10 Hz–10 kHz) performance critical for 12-bit+ ADC/DAC interfacing.

Technical Context

The TLE2425ID implements a monolithic precision amplifier architecture with internal reference buffering, optimized for stable virtual-ground generation without external components. Its design eliminates resistor-divider drift and op-amp offset errors common in discrete solutions, achieving 12-bit+ system-level accuracy through combined input regulation (≤100 µV/V), output regulation (±250 µV), and ultra-low output impedance (7.5 mΩ).

It operates across 4 V to 40 V input voltage while maintaining regulated 2.5 V output, supports capacitive loads up to 100 pF without instability, and features fast transient response (12 µs to 0.1% on input step, 115 µs to 0.1% on ±10 mA output step), making it suitable for dynamic sensor signal chains and real-time control interfaces.

Key Specifications

Pinout & Package

Package: SOIC-8 (D package), 3.91 mm × 4.90 mm × 1.75 mm, surface-mount, RoHS-compliant NIPDAU lead finish, MSL Level-1.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar virtual ground generator applications.

Compared with TLE2425ID, TLE2426ID offers higher drive but increased power draw, while REF200AIDR provides superior voltage stability at the cost of added external circuitry and no inherent sink/source capability - making TLE2425ID the optimal balance of integration, precision, and efficiency for most 5-V analog systems.

Availability

TLE2425ID is available at Aetrix Electronics and suitable for industrial data acquisition, automotive sensor interfaces, and portable medical instrumentation requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TLE2425ID includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies, with decades of heritage in precision analog IC design.

The TLE2425ID belongs to TI's precision virtual ground generator product line, engineered specifically to replace discrete resistor-op-amp networks in single-supply analog signal chains - targeting high-accuracy, low-drift, and minimal-footprint system implementations.

FAQ

What is the operating temperature range of the TLE2425ID?

The TLE2425ID is rated for operation from −55°C to 125°C, matching the M-suffix industrial/military specification. This extended range is confirmed in the "AVAILABLE OPTIONS" table and electrical characteristics sections for TLE2425M, with identical packaging and test conditions applied to the TLE2425ID variant per TI's packaging addendum.

Can the TLE2425ID drive a 100-pF capacitive load stably?

Yes, the TLE2425ID remains stable with up to 100 pF capacitive load, as verified in Figure 16 ("OUTPUT CURRENT vs LOAD CAPACITANCE") and confirmed in the "TYPICAL CHARACTERISTICS" section. The device exhibits no oscillation or ringing under this condition, supporting direct connection to ADC input capacitors and filter networks without external compensation.

Does the TLE2425ID require external components for basic operation?

No, the TLE2425ID requires no external components for core virtual ground functionality. As stated in the datasheet description, it replaces "resistors, capacitors, operational amplifiers, and voltage references" with a single 3-terminal solution. Only decoupling capacitors (recommended 0.1 µF ceramic near IN and COMMON) are advised for noise suppression - not mandatory for regulation.

How does the TLE2425ID achieve 12-bit accuracy in data acquisition systems?

The TLE2425ID achieves 12-bit system-level accuracy through combined specifications: input regulation ≤100 µV/V, output regulation ±250 µV over ±10 mA, and 20 ppm/°C tempco - limiting total error to <±1 LSB (1.22 mV) of a 5-V full-scale 12-bit system across temperature and load. This is explicitly cited in the datasheet introduction for "signal-conditioning front ends of data acquisition systems that push 12 bits and beyond."

Is the TLE2425ID pin-compatible with other members of the TLE242x family?

Yes, all TLE242x variants (TLE2425CD, TLE2425ID, TLE2425MD, TLE2426ID, etc.) share identical SOIC-8 (D) pinout and terminal functions - OUT, COMMON, and IN occupy pins 1, 2, and 3 respectively, with pins 4–8 NC. This allows drop-in replacement across temperature grades without PCB changes, as confirmed by the unified "D PACKAGE (TOP VIEW)" diagram and packaging addendum.