Overview
The TSZ122IYDT is a dual high-precision operational amplifier from STMicroelectronics, part of the TSZ12x series. This device is renowned for its very low input offset voltage and virtually zero drift, making it ideal for applications requiring high accuracy and stability. The TSZ122IYDT offers rail-to-rail input and output, low power consumption, and a high gain bandwidth product, making it suitable for a variety of applications including sensor interfaces, battery-powered devices, and portable electronics.
Key Specifications
| Parameter | Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | 1.8 | 5.5 | V | ||
| Input Offset Voltage (Vio) | T = 25 °C | 1 | 5 | µV | |
| -40 °C < T < 125 °C | 8 | µV | |||
| Input Offset Voltage Drift (ΔVio/ΔT) | -40 °C < T < 125 °C | 10 | 30 | nV/°C | |
| Input Bias Current (Iib) | T = 25 °C | 60 | 200 | pA | |
| -40 °C < T < 125 °C | 300 | pA | |||
| Gain Bandwidth Product (GBP) | RL = 10 kΩ, CL = 100 pF | 400 | kHz | ||
| Slew Rate (SR) | T = 25 °C | 0.17 | V/μs | ||
| Supply Current (ICC) | T = 25 °C, Vout = VCC/2, RL > 1 MΩ | 28 | 40 | µA | |
| -40 °C < T < 125 °C | 40 | µA | |||
| Operating Temperature Range | -40 | 125 | °C | ||
| ESD Protection | HBM | 4 | kV |
Key Features
- High Accuracy and Stability: Very low input 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 Power Consumption: Maximum supply current of 40 µA at 5 V.
- High Gain Bandwidth Product: 400 kHz, suitable for various high-frequency applications.
- High ESD Tolerance: Human Body Model (HBM) protection up to 4 kV.
- Extended Temperature Range: Operates from -40 °C to 125 °C.
- Compact Packages: Available in SC70-5, SOT23-5, DFN8 2x2, MiniSO8, SO8, QFN16 3x3, and TSSOP14 packages.
Applications
- Battery-Powered Applications: Ideal for devices that require low power consumption.
- Portable Devices: Suitable for handheld and mobile electronics.
- Signal Conditioning: Used in circuits that require precise signal amplification and conditioning.
- Medical Instrumentation: High accuracy and stability make it suitable for medical devices.
- Sensor Interfaces: Excellent for interfacing with various sensors due to its high precision and low noise characteristics.
Q & A
- What is the input offset voltage of the TSZ122IYDT at 25 °C?
The input offset voltage is 5 µV max at 25 °C. - What is the operating temperature range of the TSZ122IYDT?
The operating temperature range is from -40 °C to 125 °C. - What is the gain bandwidth product of the TSZ122IYDT?
The gain bandwidth product is 400 kHz. - How much power does the TSZ122IYDT consume at 5 V?
The maximum supply current is 40 µA at 5 V. - What is the ESD protection level of the TSZ122IYDT?
The device has an ESD protection level of 4 kV HBM. - In what packages is the TSZ122IYDT available?
The TSZ122IYDT is available in SC70-5, SOT23-5, DFN8 2x2, MiniSO8, SO8, QFN16 3x3, and TSSOP14 packages. - What are some typical applications of the TSZ122IYDT?
Typical applications include battery-powered devices, portable electronics, signal conditioning, medical instrumentation, and sensor interfaces. - What is the slew rate of the TSZ122IYDT?
The slew rate is 0.17 V/μs. - How does the input bias current of the TSZ122IYDT vary with temperature?
The input bias current ranges from 60 pA to 200 pA at 25 °C and up to 300 pA over the full temperature range. - What is the common mode rejection ratio (CMRR) of the TSZ122IYDT?
The CMRR is 115 dB to 128 dB.
