Overview
The TSV994IDT, part of the TSV99x and TSV99xA family, is a quad operational amplifier produced by STMicroelectronics. This device is designed for low-voltage operation, featuring rail-to-rail input and output, and is optimized for battery-powered and portable applications. It offers an excellent speed/power consumption ratio, making it ideal for various applications requiring high performance and low power consumption.
Key Specifications
| Parameter | Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | 2.5 | 5.5 | V | ||
| Operating Temperature Range | -40 | 125 | °C | ||
| Input Offset Voltage (Vio) | Top = 25 °C | 0.1 | 4.5 | 7.5 | mV |
| Input Offset Voltage (Vio) - A Grade | Top = 25 °C | 1.5 | 3 | mV | |
| Input Offset Current (Iio) | Top = 25 °C | 1 | 10 | 100 | pA |
| Input Bias Current (Iib) | Top = 25 °C | 1 | 10 | 100 | pA |
| Supply Current (ICC) per Channel | No load, Vout = VCC/2 | 0.78 | 1.1 | mA | |
| Gain Bandwidth Product (GBP) | RL = 2 kΩ, CL = 100 pF, f = 100 kHz | 20 | MHz | ||
| Slew Rate (SR) | RL = 2 kΩ, CL = 100 pF | 10 | V/μs | ||
| Output Current (Iout) | Vo = 3.3 V, Top = 25 °C | 18 | 35 | mA |
Key Features
- Low input offset voltage: 1.5 mV max. (A grade)
- Rail-to-rail input and output
- Wide bandwidth: 20 MHz
- Stable for gain ≥ 4 or ≤ -3
- Low power consumption: 820 µA typical
- High output current: 35 mA
- Operating from 2.5 V to 5.5 V
- Low input bias current: 1 pA typical
- ESD internal protection ≥ 5 kV
Applications
- Battery-powered applications
- Portable devices
- Signal conditioning and active filtering
- Medical instrumentation
- Automotive applications
Q & A
- What is the typical supply current of the TSV994IDT? The typical supply current per channel is 1.1 mA.
- What is the operating temperature range of the TSV994IDT? The operating temperature range is from -40 °C to 125 °C.
- What is the input offset voltage of the TSV994IDT? The input offset voltage is 0.1 mV to 4.5 mV, with a maximum of 7.5 mV over the full temperature range.
- What is the gain bandwidth product of the TSV994IDT? The gain bandwidth product is 20 MHz.
- Is the TSV994IDT stable in unity gain configuration? No, the TSV994IDT is not unity gain stable and must be used in a gain configuration with a minimum gain of 4 or -3.
- What is the maximum output current of the TSV994IDT? The maximum output current is 35 mA.
- What are the common applications of the TSV994IDT? Common applications include battery-powered devices, portable devices, signal conditioning, active filtering, medical instrumentation, and automotive applications.
- How does one improve stability when using the TSV994IDT in a follower configuration? Stability can be improved by adding a small in-series resistor at the output or by adding a capacitor in parallel with the feedback resistor.
- What is the ESD protection level of the TSV994IDT? The TSV994IDT has internal ESD protection ≥ 5 kV.
- What are the recommended PCB layout practices for the TSV994IDT? It is recommended to add 10 nF decoupling capacitors as close as possible to the power supply pins.
