Overview
The TSZ124IQ4T is a high-precision operational amplifier from STMicroelectronics, part of the TSZ12x series. This quad op-amp is renowned for its very low input offset voltages and virtually zero drift, making it ideal for applications requiring high accuracy and stability. The device features 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. Its excellent speed/power consumption ratio and 400 kHz gain bandwidth product make it suitable for a variety of applications, including sensor interfaces, battery-powered devices, and portable electronics.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Offset Voltage | 5 µV (at 25 °C), 8 µV (over -40 °C to 125 °C) | µV |
| Supply Voltage | 1.8 to 5.5 | V |
| Power Consumption | 40 µA max. at 5 V | µA |
| Gain Bandwidth Product | 400 kHz | kHz |
| ESD Tolerance | 4 kV HBM | kV |
| Operating Temperature Range | -40 to 125 | °C |
| Package | QFN-16L | |
| Input Bias Current | 200 pA (typ.) at 25 °C | pA |
| Slew Rate | 0.17 V/µs | V/µs |
Key Features
- Very high accuracy and stability: offset voltage 5 µV max at 25 °C, 8 µV over full temperature range (-40 °C to 125 °C)
- Rail-to-rail input and output
- Low supply voltage: 1.8 to 5.5 V
- Low power consumption: less than 40 µA at 5 V
- Gain bandwidth product: 400 kHz
- High tolerance to ESD: 4 kV HBM
- Extended temperature range: -40 to 125 °C
- Ultra-low input bias current
- Micro-packages: SC70-5, DFN8 2x2, and QFN16 3x3
Applications
- Sensor interfaces
- Battery-powered applications
- Portable devices
- Signal conditioning
- Medical instrumentation
Q & A
- What is the input offset voltage of the TSZ124IQ4T?
The input offset voltage is 5 µV max at 25 °C and 8 µV over the full temperature range (-40 °C to 125 °C).
- What is the supply voltage range for the TSZ124IQ4T?
The supply voltage range is 1.8 to 5.5 V.
- How much power does the TSZ124IQ4T consume?
The device consumes less than 40 µA at 5 V.
- What is the gain bandwidth product of the TSZ124IQ4T?
The gain bandwidth product is 400 kHz.
- What is the ESD tolerance of the TSZ124IQ4T?
The device has a high tolerance to ESD of 4 kV HBM.
- What is the operating temperature range of the TSZ124IQ4T?
The operating temperature range is -40 to 125 °C.
- What package options are available for the TSZ124IQ4T?
The TSZ124IQ4T is available in a QFN-16L package.
- What are some typical applications for the TSZ124IQ4T?
Typical applications include sensor interfaces, battery-powered applications, portable devices, signal conditioning, and medical instrumentation.
- What is the slew rate of the TSZ124IQ4T?
The slew rate is 0.17 V/µs.
- Is the TSZ124IQ4T RoHS compliant?
Yes, the TSZ124IQ4T is RoHS compliant with an Ecopack3 grade.
