Overview
The TLE2425ID, produced by Texas Instruments, is a precision virtual ground integrated circuit. This 3-terminal device combines a precision micropower voltage reference and a high-performance operational amplifier in a single silicon chip. It is designed to enhance system-level performance by providing increased dynamic signal range, improved signal-to-noise ratio, lower distortion, and improved signal accuracy. The TLE2425ID simplifies circuit design by replacing multiple components with a single, easy-to-use device, making it ideal for signal-conditioning front ends in data acquisition systems.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Output Voltage | 2.47 | 2.5 | 2.53 | V |
| Temperature Coefficient of Output Voltage | 20 | ppm/°C | ||
| Bias Current (IO = 0) | 170 | 250 | µA | |
| Input Voltage Regulation (VI = 4.5 V to 5.5 V) | 1.5 | 25 | µV | |
| Output Current Capability | 20 | mA | ||
| Supply Voltage Range | 4 | 40 | V | |
| Operating Temperature Range | -40 | 85 | °C | |
| Package Type | 8-SOIC | |||
| Tolerance | ±0.8% |
Key Features
- Combines a precision micropower voltage reference and a high-performance operational amplifier in a single silicon chip.
- Provides increased dynamic signal range, improved signal-to-noise ratio, and lower distortion.
- Improves signal accuracy and eases interfacing to ADCs and DACs.
- Enhanced input and output regulation, reducing output impedance and power dissipation.
- Micropower operation with low bias current.
- Low impedance output and high output current capability.
- Wide supply voltage range from 4 V to 40 V.
- Operating temperature range from -40°C to 85°C.
Applications
The TLE2425ID is particularly useful in signal-conditioning front ends of data acquisition systems, especially those requiring high precision and accuracy beyond 12 bits. It is also suitable for applications that demand a stable and precise virtual ground, such as in analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision analog circuits.
Q & A
- What is the primary function of the TLE2425ID?
The TLE2425ID is a precision virtual ground integrated circuit that combines a precision micropower voltage reference and a high-performance operational amplifier.
- What are the key benefits of using the TLE2425ID?
The key benefits include increased dynamic signal range, improved signal-to-noise ratio, lower distortion, and improved signal accuracy.
- What is the output voltage of the TLE2425ID?
The output voltage is typically 2.5 V, with a range of 2.47 V to 2.53 V.
- What is the temperature coefficient of the output voltage?
The temperature coefficient of the output voltage is 20 ppm/°C.
- What is the supply voltage range for the TLE2425ID?
The supply voltage range is from 4 V to 40 V.
- What is the operating temperature range of the TLE2425ID?
The operating temperature range is from -40°C to 85°C.
- What type of package does the TLE2425ID come in?
The TLE2425ID comes in an 8-SOIC package.
- What are some typical applications for the TLE2425ID?
Typical applications include signal-conditioning front ends in data acquisition systems, ADCs, DACs, and other precision analog circuits.
- How does the TLE2425ID improve system performance?
The TLE2425ID improves system performance by enhancing input and output regulation, reducing output impedance, and lowering power dissipation.
- Is the TLE2425ID RoHS compliant?
Yes, the TLE2425ID is RoHS compliant.
