Overview
The TSV991AIQ1T is a single operational amplifier from STMicroelectronics, part of the TSV99x and TSV99xA family. This device is renowned for its excellent speed/power consumption ratio, making it ideal for various applications requiring low power and high performance. It operates with a gain-bandwidth product of 20 MHz, is stable for gains above 4 or below -3, and consumes only 1.1 mA maximum at 5 V. The TSV991AIQ1T features rail-to-rail input and output, low input offset voltage, and ultra-low input bias current, making it suitable for sensor interfaces, battery-supplied devices, and portable applications.
Key Specifications
| Parameter | Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | 2.5 | 5.5 | V | ||
| Input Offset Voltage (Vio) | 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 |
| Gain-Bandwidth Product (GBP) | RL = 2 kΩ, CL = 100 pF, f = 100 kHz, Top = 25 °C | 20 | MHz | ||
| Minimum Gain for Stability | Phase margin = 45 °, Rf = 10 kΩ, RL = 2 kΩ, CL = 100 pF, Top = 25 °C | 4 | V/V | ||
| Supply Current (ICC) | No load, Vout = VCC/2, Tmin < Top < Tmax | 0.78 | 1.1 | mA | |
| Output Current (Iout) | Vo = 3.3 V, Top = 25 °C | 18 | 32 | mA | |
| Operating Temperature Range | -40 | 125 | °C |
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
- Internal ESD protection ≥ 5 kV
Applications
- Battery-powered applications
- Portable devices
- Signal conditioning and active filtering
- Medical instrumentation
- Automotive applications
- Sensor interfaces
Q & A
- What is the gain-bandwidth product of the TSV991AIQ1T?
The gain-bandwidth product of the TSV991AIQ1T is 20 MHz.
- What is the typical supply current of the TSV991AIQ1T?
The typical supply current is 0.82 mA per channel.
- What is the input offset voltage of the TSV991AIQ1T?
The input offset voltage is 1.5 mV maximum for the A grade.
- What is the operating voltage range of the TSV991AIQ1T?
The device operates from 2.5 V to 5.5 V.
- What is the maximum output current of the TSV991AIQ1T?
The maximum output current is 35 mA.
- What kind of ESD protection does the TSV991AIQ1T have?
The device has internal ESD protection ≥ 5 kV.
- What are the typical applications of the TSV991AIQ1T?
Typical applications include battery-powered devices, portable devices, signal conditioning, medical instrumentation, and automotive applications.
- What is the minimum gain for stability of the TSV991AIQ1T?
The minimum gain for stability is 4 V/V in positive gain configuration and -3 V/V in negative gain configuration.
- What is the operating temperature range of the TSV991AIQ1T?
The operating temperature range is from -40 °C to 125 °C.
- What package options are available for the TSV991AIQ1T?
The TSV991AIQ1T is available in a DFN6 1.3x1.6x0.55 package.
