Overview
The TS922IPT, produced by STMicroelectronics, is a rail-to-rail, high output current, dual BiCMOS operational amplifier. This device is optimized and fully specified for 3 V and 5 V operations, making it suitable for a wide range of applications, particularly in high-quality, low-voltage, or battery-operated systems. The TS922IPT features high output currents, very low noise, low distortion, and low offset, which are crucial for applications requiring high fidelity and reliability.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Input Offset Voltage (TS922A) | - | 0.9 | 1.8 | mV |
| Input Offset Current | - | 1 | 30 | nA |
| Input Bias Current | - | 15 | 100 | nA |
| High Level Output Voltage (RL=10 kΩ) | 2.90 | - | - | V |
| Low Level Output Voltage (RL=10 kΩ) | 50 | - | - | mV |
| Large Signal Voltage Gain (RL=10 kΩ) | 200 | - | - | V/mV |
| Total Supply Current (No load) | 2 | 3 | 3.2 | mA |
| Gain Bandwidth Product | - | 4 | - | MHz |
| Slew Rate | 0.7 | 1.3 | - | V/μs |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package | - | - | TSSOP-8L | - |
Key Features
- Rail-to-rail input and output
- Low noise: 9 nV/√Hz
- Low distortion
- High output current: 80 mA (able to drive 32 Ω loads)
- High-speed: 4 MHz, 1 V/μs
- Operating from 2.7 to 12 V
- Low input offset voltage: 900 μV max. (TS922A)
- ESD internal protection: 2 kV
- Latch-up immunity
- Stable for capacitive loads up to 500 pF
Applications
- Line drivers and actuator drivers
- Portable speakers
- Instrumentation with low noise as a key factor
- Multimedia systems and portable equipment
- Battery-operated audio systems
Q & A
- What is the TS922IPT operational amplifier optimized for?
The TS922IPT is optimized and fully specified for 3 V and 5 V operations.
- What are the key features of the TS922IPT?
The key features include rail-to-rail input and output, low noise, low distortion, high output current, high-speed operation, and low input offset voltage.
- What is the maximum output current of the TS922IPT?
The maximum output current is 80 mA, which is sufficient to drive loads as low as 32 Ω.
- What is the operating temperature range of the TS922IPT?
The operating temperature range is from -40°C to 125°C.
- What package types are available for the TS922IPT?
The TS922IPT is available in a TSSOP-8L package.
- Does the TS922IPT have ESD protection?
Yes, the TS922IPT has internal ESD protection up to 2 kV.
- What are some typical applications of the TS922IPT?
Typical applications include line drivers, actuator drivers, portable speakers, instrumentation, and multimedia systems.
- Is the TS922IPT stable for capacitive loads?
Yes, the TS922IPT is stable for capacitive loads up to 500 pF.
- What is the gain bandwidth product of the TS922IPT?
The gain bandwidth product is 4 MHz.
- Does the TS922IPT have latch-up immunity?
Yes, the TS922IPT has latch-up immunity.
