Overview
The TSV912IYST from STMicroelectronics is a high-performance operational amplifier (op amp) designed for low-voltage operation. It features rail-to-rail input and output, making it versatile for a wide range of applications. The TSV912IYST offers an excellent speed/power consumption ratio, with a gain-bandwidth product of 8 MHz while consuming only 1.1 mA maximum at 5 V. This op amp is unity gain stable and has an ultra-low input bias current, making it ideal for sensor interfaces, battery-supplied and portable applications, as well as active filtering.
Key Specifications
| Parameter | Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Supply Voltage | 2.5 | 5.5 | V | ||
| Input Offset Voltage | T = 25 °C | 0.1 | 4.5 | 7.5 | mV |
| Input Bias Current | T = 25 °C | 1 | 10 | 100 | pA |
| Input Offset Current | T = 25 °C | 1 | 10 | 100 | pA |
| Input Offset Voltage Drift | 5 | μV/°C | |||
| Gain-Bandwidth Product | RL = 2 kΩ, CL = 100 pF | 8 | MHz | ||
| Unity Gain Frequency | RL = 2 kΩ, CL = 100 pF | 7.2 | MHz | ||
| Phase Margin | RL = 2 kΩ, CL = 100 pF | 45 | Degrees | ||
| Supply Current (per channel) | No load, Vout = VCC/2 | 0.78 | 1.1 | 1.1 | mA |
| Output Current (sourcing/sinking) | Vout = 0 V / Vout = VCC | 18 | 35 | 35 | mA |
| Operating Temperature | -40 | 125 | °C |
Key Features
- Rail-to-Rail Input and Output: Allows the op amp to operate with input and output signals that range from the negative to the positive supply rail.
- Wide Bandwidth: Features a gain-bandwidth product of 8 MHz, making it suitable for high-frequency applications.
- Low Power Consumption: Consumes only 1.1 mA maximum at 5 V, ideal for battery-supplied and portable applications.
- Unity Gain Stability: Ensures stable operation even at unity gain, which is crucial for many applications.
- High Output Current: Capable of sourcing or sinking up to 35 mA, making it suitable for driving loads that require significant current.
- Low Input Bias Current: Ultra-low input bias current of 1 pA typical, reducing the impact on the input signal.
- Low Input Offset Voltage: Input offset voltage as low as 1.5 mV maximum for the A grade, ensuring high accuracy.
- ESD Internal Protection: Offers ≥ 5 kV ESD protection and latch-up immunity, enhancing reliability.
Applications
- Sensor Interfaces: Ideal for interfacing with various sensors due to its low noise and high accuracy.
- Battery-Supplied and Portable Applications: Low power consumption makes it suitable for devices powered by batteries.
- Active Filtering: Can be used in active filter circuits due to its high bandwidth and stability.
- Industrial and Automotive Applications: Available in both industrial and automotive grades, making it versatile for different environments.
Q & A
- What is the supply voltage range for the TSV912IYST?
The TSV912IYST operates from a supply voltage range of 2.5 V to 5.5 V.
- What is the gain-bandwidth product of the TSV912IYST?
The gain-bandwidth product is 8 MHz.
- Is the TSV912IYST unity gain stable?
Yes, the TSV912IYST is unity gain stable.
- What is the typical input bias current of the TSV912IYST?
The typical input bias current is 1 pA.
- What is the maximum output current of the TSV912IYST?
The maximum output current is 35 mA.
- Does the TSV912IYST have ESD protection?
Yes, it has ≥ 5 kV ESD internal protection and latch-up immunity.
- What are the typical applications of the TSV912IYST?
It is commonly used in sensor interfaces, battery-supplied and portable applications, and active filtering.
- What are the available packages for the TSV912IYST?
The TSV912IYST is available in SO-8, QFN-8L P 0.5 mm, and MiniSO-8 packages.
- Is the TSV912IYST suitable for automotive applications?
Yes, it is available in an automotive grade.
- What is the operating temperature range for the TSV912IYST?
The operating temperature range is from -40 °C to 125 °C.
