Overview
The TLE2425CD, produced by Texas Instruments, is a precision virtual ground reference voltage source designed to generate a stable 2.5V output from a single input voltage. This device combines a precision micropower voltage reference and a high-performance operational amplifier in a single silicon chip, enhancing dynamic signal range, signal-to-noise ratio, and signal accuracy. It is particularly useful in signal-conditioning applications, such as data acquisition systems, ADC and DAC power supplies, and biphasic circuit supplies. The TLE2425CD simplifies circuit design by eliminating the need for multiple components like resistors, capacitors, and voltage references, making it an efficient and reliable choice for various power management applications.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value |
|---|---|---|---|
| Output Voltage | 2.5 V | 2.47 V | 2.53 V |
| Output Current | 20 mA | - | - |
| Input Voltage Range | 4 V to 40 V | 4 V | 40 V |
| Temperature Coefficient of Output Voltage | 20 ppm/°C | - | - |
| Operating Temperature Range | -40°C to 85°C (TLE2425CD) | -55°C | 125°C (TLE2425ID) |
| Bias Current | 170 µA | - | 250 µA |
| Output Impedance | 7.5 mΩ | - | 22.5 mΩ |
| Output Noise Voltage (10 Hz to 10 kHz) | 100 µVrms | - | - |
| Package Type | 8-SOIC | - | - |
Key Features
- Stable 2.5V Output Voltage: Provides a precise reference voltage for various applications.
- High Output-Current Capability: Can sink or source up to 20 mA.
- Micropower Operation: Low quiescent current of 170 µA typical.
- Excellent Regulation Characteristics: High input and output regulation accuracy.
- Low-Impedance Output: Output impedance as low as 7.5 mΩ.
- Low Noise Output: Minimal noise interference with 100 µVrms from 10 Hz to 10 kHz.
- Wide Input Voltage Range: Operates from 4 V to 40 V.
- Temperature Stability: Temperature coefficient of 20 ppm/°C.
- Surface Mount Technology (SMT) Compatible: 8-SOIC packaging for easy integration into PCB designs.
Applications
- Precision Power Supply Systems: Ideal for systems requiring high precision voltage references.
- Sensor Applications: Suitable for sensor circuits that need stable and accurate voltage references.
- Analog-to-Digital Convertor (ADC) Power Supplies: Enhances the performance of ADCs by providing a stable reference voltage.
- Biphasic Circuit Supplies: Creates a biphasic supply from a single input voltage, useful in various analog circuits.
- Data Acquisition Systems: Improves the accuracy and signal-to-noise ratio in data acquisition systems.
Q & A
- What is the TLE2425CD used for?
The TLE2425CD is used as a precision virtual ground reference voltage source in various power management and signal-conditioning applications.
- What is the output voltage of the TLE2425CD?
The output voltage of the TLE2425CD is 2.5V.
- What is the maximum output current of the TLE2425CD?
The TLE2425CD can source or sink up to 20 mA.
- What is the operating temperature range of the TLE2425CD?
The operating temperature range for the TLE2425CD is -40°C to 85°C.
- What is the input voltage range for the TLE2425CD?
The input voltage range for the TLE2425CD is from 4 V to 40 V.
- What is the typical bias current of the TLE2425CD?
The typical bias current of the TLE2425CD is 170 µA.
- What is the output impedance of the TLE2425CD?
The output impedance of the TLE2425CD is typically 7.5 mΩ.
- Is the TLE2425CD RoHS compliant?
Yes, the TLE2425CD is RoHS compliant.
- What packaging is the TLE2425CD available in?
The TLE2425CD is available in an 8-SOIC package.
- What are some common applications of the TLE2425CD?
Common applications include precision power supply systems, sensor applications, ADC power supplies, and biphasic circuit supplies.
