Overview
The TSZ121ICT is a high-precision operational amplifier from STMicroelectronics, part of the TSZ12x series. This single-version op-amp is known for its very low input offset voltage and virtually zero drift, making it highly accurate and stable across a wide temperature range. The TSZ121ICT offers rail-to-rail input and output, a low supply voltage range of 1.8 to 5.5 V, and low power consumption of less than 40 µA at 5 V. These features make it ideal for applications requiring high precision and low power consumption, such as sensor interfaces, battery-powered devices, and portable electronics.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Offset Voltage | 1 - 5 µV (at 25 °C), 8 µV (over -40 °C to 125 °C) | µV |
| Supply Voltage | 1.8 - 5.5 V | V |
| Power Consumption | < 40 µA at 5 V | µA |
| Gain Bandwidth Product | 400 kHz | kHz |
| ESD Tolerance | 4 kV HBM | kV |
| Operating Temperature Range | -40 to 125 °C | °C |
| Input Bias Current | 70 - 200 pA (at 25 °C), 300 pA (over -40 °C to 125 °C) | pA |
| Common Mode Rejection Ratio | 115 - 136 dB | dB |
| Slew Rate | 0.17 V/µs | V/µs |
| Package Types | SC70-5, SOT23-5, DFN8 2x2, QFN16 3x3 | - |
Key Features
- Very High Accuracy and Stability: Offset voltage of 5 µV max at 25 °C and 8 µV over the full temperature range (-40 °C to 125 °C).
- Rail-to-Rail Input and Output: Ensures maximum signal range and flexibility.
- Low Supply Voltage: Operates from 1.8 to 5.5 V, making it suitable for low-power applications.
- Low Power Consumption: Consumes less than 40 µA at 5 V, ideal for battery-powered and portable devices.
- High Gain Bandwidth Product: 400 kHz, providing a good balance between speed and power consumption.
- High ESD Tolerance: 4 kV HBM, ensuring robustness against electrostatic discharge.
- Extended Temperature Range: Operates from -40 to 125 °C, suitable for a wide range of environmental conditions.
- Ultra-Low Input Bias Current: Minimizes the impact on the input signal.
Applications
- Sensor Interfaces: Ideal for precision sensor applications due to its high accuracy and low noise.
- Battery-Powered Applications: Suitable for devices that require low power consumption and high precision.
- Portable Electronics: Perfect for handheld and mobile devices where power efficiency is crucial.
- Medical Instrumentation: Used in medical devices that require high precision and reliability.
- Signal Conditioning: Effective in conditioning signals in various industrial and consumer applications.
Q & A
- What is the input offset voltage of the TSZ121ICT?
The input offset voltage is 1 - 5 µV at 25 °C and 8 µV over the full temperature range (-40 °C to 125 °C).
- What is the supply voltage range of the TSZ121ICT?
The supply voltage range is from 1.8 to 5.5 V).
- How much power does the TSZ121ICT consume at 5 V?
The TSZ121ICT consumes less than 40 µA at 5 V).
- What is the gain bandwidth product of the TSZ121ICT?
The gain bandwidth product is 400 kHz).
- What is the ESD tolerance of the TSZ121ICT?
The ESD tolerance is 4 kV HBM).
- What is the operating temperature range of the TSZ121ICT?
The operating temperature range is from -40 to 125 °C).
- What are the typical package types for the TSZ121ICT?
The typical package types include SC70-5, SOT23-5, DFN8 2x2, and QFN16 3x3).
- Is the TSZ121ICT suitable for battery-powered applications?
Yes, it is highly suitable due to its low power consumption and high precision).
- What are some common applications of the TSZ121ICT?
Common applications include sensor interfaces, battery-powered devices, portable electronics, medical instrumentation, and signal conditioning).
- Does the TSZ121ICT have rail-to-rail input and output?
Yes, it features rail-to-rail input and output).
