Overview
The TSZ181ILT is a precision operational amplifier manufactured by STMicroelectronics. This device is part of the TSZ181 and TSZ182 series, known for their very high accuracy and stability. The TSZ181ILT offers exceptional performance with a low offset voltage of 25 µV maximum at 25 °C and 35 µV over the full temperature range of -40 °C to 125 °C. It features rail-to-rail input and output, low supply voltage requirements of 2.2 to 5.5 V, and low power consumption of 1 mA maximum at 5 V. These characteristics make it ideal for high-accuracy, high-bandwidth applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Offset Voltage | 25 µV (max at 25 °C), 35 µV (over full temperature range) | µV |
| Input Offset Voltage Drift | 0.1 µV/°C | µV/°C |
| Supply Voltage | 2.2 to 5.5 V | V |
| Power Consumption | 1 mA (max at 5 V) | mA |
| Gain Bandwidth Product | 3 MHz | MHz |
| Operating Temperature Range | -40 to 125 °C | °C |
| Input Bias Current | 30 to 200 pA (at 25 °C), 300 pA (over full temperature range) | pA |
| Slew Rate | 2.9 to 4.7 V/µs (at 25 °C), 2.4 V/µs (over full temperature range) | V/µs |
| Package Types | DFN6 1.2x1.3, SOT23-5, DFN8 2x2, MiniSO8, SO8 |
Key Features
- Very High Accuracy and Stability: Offset voltage of 25 µV max. at 25 °C and 35 µV over the full temperature range.
- Rail-to-Rail Input and Output: Ensures maximum signal range utilization.
- Low Supply Voltage and Power Consumption: Operates with a supply voltage of 2.2 to 5.5 V and consumes only 1 mA max. at 5 V.
- High Gain Bandwidth Product: 3 MHz, suitable for high-bandwidth applications.
- Automotive Qualification and Extended Temperature Range: Qualified for automotive use and operates from -40 to 125 °C.
- Ultra-Low Input Bias Current: Ensures minimal current draw from the input signal.
- Micropackages: Available in DFN6 1.2x1.3, SOT23-5, DFN8 2x2, MiniSO8, and SO8 packages.
Applications
- High Accuracy Signal Conditioning: Ideal for applications requiring precise signal processing.
- Automotive Current Measurement and Sensor Signal Conditioning: Suitable for automotive systems due to its automotive qualification and temperature range.
- Medical Instrumentation: Used in medical devices where high accuracy and stability are crucial.
Q & A
- What is the input offset voltage of the TSZ181ILT?
The input offset voltage is 25 µV maximum at 25 °C and 35 µV over the full temperature range of -40 °C to 125 °C.
- What is the supply voltage range for the TSZ181ILT?
The supply voltage range is 2.2 to 5.5 V.
- What is the power consumption of the TSZ181ILT at 5 V?
The power consumption is 1 mA maximum at 5 V.
- What is the gain bandwidth product of the TSZ181ILT?
The gain bandwidth product is 3 MHz.
- What are the package options available for the TSZ181ILT?
The device is available in DFN6 1.2x1.3, SOT23-5, DFN8 2x2, MiniSO8, and SO8 packages.
- Is the TSZ181ILT suitable for automotive applications?
- What is the slew rate of the TSZ181ILT?
The slew rate is 2.9 to 4.7 V/µs at 25 °C and 2.4 V/µs over the full temperature range.
- What are the typical applications of the TSZ181ILT?
The TSZ181ILT is typically used in high accuracy signal conditioning, automotive current measurement and sensor signal conditioning, and medical instrumentation.
- What is the input bias current of the TSZ181ILT?
The input bias current is 30 to 200 pA at 25 °C and 300 pA over the full temperature range.
- How does the TSZ181ILT handle temperature changes?
The device has an input offset voltage drift of 0.1 µV/°C, ensuring accuracy is virtually unaffected by temperature changes.
