Overview
The TLC2252AIPW is a dual operational amplifier from Texas Instruments, part of the TLC225x family. These devices are known for their rail-to-rail output performance, which enhances dynamic range in both single-supply and split-supply applications. The TLC2252AIPW is characterized by its very low power consumption, making it suitable for battery-powered and other low-power applications. It features improved noise performance and high input impedance, making it ideal for small-signal conditioning, particularly with high-impedance sources like piezoelectric transducers.
Key Specifications
| Parameter | Test Conditions | Typical Value | Maximum Value | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VIO) | At 25°C | 200 | 1500 | µV |
| Input Bias Current (IIB) | At 25°C | 1 | 100 | pA |
| Supply Current (IDD) | No load, at 25°C | 35 | 125 | µA |
| Common-Mode Input Voltage Range (VICR) | At 25°C | -5 to 4 V | -5.3 to 4.2 V | V |
| Slew Rate at Unity Gain (SR) | VO = 1.5 V to 3.5 V, RL = 100 kΩ, CL = 100 pF | 0.07 | 0.12 | V/µs |
| Equivalent Input Noise Voltage (Vn) | f = 1 kHz, at 25°C | 19 | - | nV/√Hz |
| Common Mode Rejection Ratio (CMRR) | VIC = 0 to 2.7 V, VO = 2.5 V, at 25°C | 83 | 70 | dB |
Key Features
- Rail-to-Rail Output Performance: The TLC2252AIPW exhibits rail-to-rail output performance, enhancing dynamic range in single-supply and split-supply applications.
- Very Low Power Consumption: Consumes only 35 µA of supply current per channel, making it ideal for battery-powered and low-power applications.
- Low Noise: Features a low noise level of 19 nV/√Hz at 1 kHz, significantly lower than competitive micropower solutions.
- High Input Impedance: High input impedance and low noise make it excellent for small-signal conditioning, particularly with high-impedance sources.
- Low Input Offset Voltage: Maximum input offset voltage of 850 µV at 25°C for precision applications.
- Common-Mode Input Voltage Range: Includes the negative rail, making it versatile for various input conditions.
- Automotive and High-Reliability Options: Available in configurations qualified to automotive standards and high-reliability applications.
Applications
- Battery-Powered Devices: Suitable for hand-held monitoring and remote-sensing applications due to its micropower dissipation levels.
- Small-Signal Conditioning: Ideal for conditioning signals from high-impedance sources such as piezoelectric transducers.
- Analog-to-Digital Converter Interfaces: The rail-to-rail output feature makes it a great choice for interfacing with analog-to-digital converters (ADCs).
- Precision Applications: The TLC225xA family, including the TLC2252AIPW, is suitable for precision applications requiring low input offset voltage.
- Automotive and Industrial Systems: Qualified for automotive and high-reliability applications, making it suitable for use in demanding environments.
Q & A
- What is the typical supply current of the TLC2252AIPW?
The typical supply current is 35 µA per channel.
- What is the input offset voltage of the TLC2252AIPW at 25°C?
The maximum input offset voltage is 850 µV at 25°C.
- What is the slew rate of the TLC2252AIPW at unity gain?
The slew rate is typically 0.07 V/µs at unity gain.
- What is the common-mode rejection ratio (CMRR) of the TLC2252AIPW?
The CMRR is typically 83 dB at 25°C.
- Is the TLC2252AIPW suitable for automotive applications?
Yes, it is available in configurations qualified to automotive standards.
- What is the equivalent input noise voltage of the TLC2252AIPW at 1 kHz?
The equivalent input noise voltage is 19 nV/√Hz at 1 kHz.
- What is the common-mode input voltage range of the TLC2252AIPW?
The common-mode input voltage range includes the negative rail and extends up to 4 V.
- Can the TLC2252AIPW be used in single-supply applications?
Yes, it is fully specified for both single-supply and split-supply operation.
- What are the package options for the TLC2252AIPW?
It is available in TSSOP (PW) and other package options.
- Is the TLC2252AIPW suitable for high-impedance sources?
Yes, it is excellent for small-signal conditioning of high-impedance sources like piezoelectric transducers.
