Overview
The TLC2252AIDR is a dual rail-to-rail operational amplifier produced by Texas Instruments. It belongs to the TLC225x family, known for its advanced LinCMOS technology, which offers very low power consumption and high performance. This device is particularly suited for battery-powered applications and small-signal conditioning due to its micropower operation and low noise characteristics.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | 25°C | 200 | 1500 | 1750 | µV |
| Input Offset Current (IIO) | VO = 0, RS = 50 Ω, 25°C | 0.5 | 60 | 100 | pA |
| Input Bias Current (IIB) | 25°C | 1 | 60 | 100 | pA |
| Common Mode Input Voltage Range (VICR) | RS = 50 Ω, |VIO| ≤5 mV | 0 | - | 4.2 | V |
| Slew Rate at Unity Gain | VO = ±1.9 V, CL = 100 pF, RL = 100 kΩ, 25°C | 0.05 | 0.07 | 0.12 | V/µs |
| Equivalent Input Noise Voltage | f = 1 kHz, 25°C | - | 19 | - | nV/√Hz |
| Supply Current per Channel | - | - | 35 | - | µA |
Key Features
- Rail-to-Rail Output Performance: The TLC2252AIDR offers rail-to-rail output performance, enhancing dynamic range in single or split-supply applications.
- Micropower Operation: Consumes only 35 µA of supply current per channel, making it ideal for battery-powered applications.
- Low Noise: Features improved noise performance with an equivalent input noise voltage of 19 nV/√Hz at 1 kHz.
- High Input Impedance: Exhibits high input impedance, suitable for small-signal conditioning from high-impedance sources like piezoelectric transducers.
- Temperature Stability: Offers stable performance over a wide temperature range with a low temperature coefficient of input offset voltage.
Applications
- Battery-Powered Devices: Ideal for hand-held monitoring and remote-sensing applications due to its low power consumption.
- Analog-to-Digital Converters (ADCs): Suitable for interfacing with ADCs due to its rail-to-rail output feature.
- Small-Signal Conditioning: Excellent for conditioning signals from high-impedance sources such as piezoelectric transducers.
- Precision Applications: Used in precision applications requiring low noise and high input impedance.
Q & A
- What is the typical supply current per channel for the TLC2252AIDR?
The typical supply current per channel is 35 µA.
- What is the input offset voltage range for the TLC2252AIDR at 25°C?
The input offset voltage range at 25°C is typically 1500 µV, with a maximum of 1750 µV.
- What is the equivalent input noise voltage of the TLC2252AIDR at 1 kHz?
The equivalent input noise voltage at 1 kHz is 19 nV/√Hz.
- What is the common mode input voltage range for the TLC2252AIDR?
The common mode input voltage range is from 0 to 4.2 V.
- What are some typical applications of the TLC2252AIDR?
Typical applications include battery-powered devices, analog-to-digital converters, small-signal conditioning, and precision applications).
- What is the slew rate at unity gain for the TLC2252AIDR?
The slew rate at unity gain is typically 0.07 V/µs, with a maximum of 0.12 V/µs).
- How does the TLC2252AIDR perform in terms of temperature stability?
The device exhibits stable performance over a wide temperature range with a low temperature coefficient of input offset voltage).
- What is the input bias current of the TLC2252AIDR?
The input bias current is typically 1 pA, with a maximum of 60 pA at 25°C).
- Is the TLC2252AIDR suitable for high-impedance sources?
Yes, it is suitable for high-impedance sources due to its high input impedance).
- Where can I find more detailed specifications and support for the TLC2252AIDR?
You can find detailed specifications and support on the Texas Instruments website, as well as through distributors like Digi-Key and South Electronics).
