Overview
The TLC2252AIDRG4 is a dual rail-to-rail operational amplifier produced by Texas Instruments. It is part of the TLC225x family, known for its advanced LinCMOS technology, which offers very low power consumption and enhanced performance. This amplifier is suitable for a wide range of applications, particularly those requiring low power and high precision, such as battery-powered devices and remote-sensing equipment.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value |
|---|---|---|---|
| Supply Current per Channel | 35 µA | - | - |
| Input Offset Voltage (VIO) at 25°C | 1500 µV | 200 µV | 1750 µV |
| Input Offset Current (IIO) at 25°C | 60 pA | 0.5 pA | 100 pA |
| Input Bias Current (IIB) at 25°C | 60 pA | 1 pA | 100 pA |
| Common Mode Input Voltage Range (VICR) | - | 4.2 V | 4.7 V |
| Maximum Negative Peak Output Voltage (VOM-) | -4.7 V | -4.8 V | -3.8 V |
| Large-Signal Differential Voltage Amplification (AVD) | 650 | 45 | 3000 |
| Differential Input Resistance | 10^12 Ω | - | - |
| Common Mode Input Resistance | 10^12 Ω | - | - |
| Common Mode Input Capacitance | 8 pF | - | - |
Key Features
- Rail-to-rail output performance for increased dynamic range in single or split-supply applications.
- Very low power consumption of 35 µA per channel, making it suitable for battery-powered applications.
- Improved noise performance with a noise level of 19 nV/√Hz at 1 kHz.
- High input impedance and low noise, ideal for small-signal conditioning from high-impedance sources like piezoelectric transducers.
- Low input offset voltage, with a maximum of 850 µV for precision applications.
- Full characterization at 5 V and ±5 V supply voltages.
Applications
- Battery-powered devices and hand-held monitoring equipment due to its low power consumption.
- Remote-sensing applications where low power and high precision are required.
- Analog-to-digital converter (ADC) interfaces, benefiting from the rail-to-rail output feature.
- Precision applications requiring low input offset voltage and high dynamic range.
- Upgrades to existing designs using TLC27L2/L4 or TS27L2/L4 amplifiers, offering improved performance.
Q & A
- What is the typical supply current per channel for the TLC2252AIDRG4?
The typical supply current per channel is 35 µA. - What is the input offset voltage range for the TLC2252AIDRG4 at 25°C?
The input offset voltage range is from 200 µV to 1750 µV. - What is the common mode input voltage range for the TLC2252AIDRG4?
The common mode input voltage range is from 4.2 V to 4.7 V. - What is the maximum negative peak output voltage for the TLC2252AIDRG4?
The maximum negative peak output voltage is -4.7 V to -3.8 V. - What are the key applications of the TLC2252AIDRG4?
The key applications include battery-powered devices, remote-sensing equipment, and precision applications requiring low input offset voltage. - How does the TLC2252AIDRG4 compare to previous generations of CMOS amplifiers in terms of noise performance?
The TLC2252AIDRG4 has a noise level of 19 nV/√Hz at 1 kHz, which is four times lower than competitive micropower solutions. - What is the differential input resistance of the TLC2252AIDRG4?
The differential input resistance is 10^12 Ω. - Is the TLC2252AIDRG4 suitable for high-impedance sources?
Yes, it is suitable for high-impedance sources like piezoelectric transducers due to its high input impedance and low noise. - What are the supply voltage ranges for which the TLC2252AIDRG4 is fully characterized?
The TLC2252AIDRG4 is fully characterized at 5 V and ±5 V supply voltages. - Can the TLC2252AIDRG4 be used as an upgrade to other operational amplifiers?
Yes, it can be used as an upgrade to TLC27L2/L4 or TS27L2/L4 amplifiers, offering increased output dynamic range, lower noise voltage, and lower input offset voltage.
