Overview
The TS922AIPT, produced by STMicroelectronics, is a rail-to-rail dual BiCMOS operational amplifier. This device is optimized and fully specified for operation at 3 V and 5 V, making it suitable for a wide range of applications, particularly in low-voltage and battery-operated systems. The TS922AIPT features high output currents, low noise, low distortion, and a high slew rate, which are essential for high-quality audio and other precision applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 2.7 to 12 | V |
| Input Offset Voltage (Vio) | 0.9 (TS922A), 3 (TS922) | mV |
| Input Offset Voltage Drift (ΔVio/ΔT) | 2 | μV/°C |
| Input Offset Current (Iio) | 1 to 30 | nA |
| High Level Output Voltage (VOH) | 2.90 (RL=10 kΩ), 2.63 (RL=32 Ω) | V |
| Low Level Output Voltage (VOL) | 50 (RL=10 kΩ), 180 (RL=32 Ω) | mV |
| Large Signal Voltage Gain (Avd) | 200 (RL=10 kΩ), 16 (RL=32 Ω) | V/mV |
| Total Supply Current (ICC) | 2 to 3.2 | mA |
| Gain Bandwidth Product (GBP) | 4 | MHz |
| Slew Rate (SR) | 0.7 to 1.3 | V/μs |
| Equivalent Input Noise Voltage (en) | 9 | nV/√Hz |
| Total Harmonic Distortion (THD) | 0.005 % | % |
Key Features
- Rail-to-rail input and output
- Low noise: 9 nV/√Hz
- Low distortion
- High output current: up to 80 mA, capable of driving 32 Ω loads
- High-speed: 4 MHz gain bandwidth product, 1.3 V/μs slew rate
- Operating voltage range: 2.7 to 12 V
- Low input offset voltage: 0.9 mV max. for 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
Q & A
- What is the operating voltage range of the TS922AIPT?
The TS922AIPT operates from 2.7 to 12 V.
- What is the input offset voltage of the TS922A?
The input offset voltage of the TS922A is 0.9 mV maximum.
- What is the maximum output current of the TS922AIPT?
The maximum output current is approximately 80 mA.
- What is the gain bandwidth product of the TS922AIPT?
The gain bandwidth product is 4 MHz.
- What is the slew rate of the TS922AIPT?
The slew rate is 0.7 to 1.3 V/μs.
- Does the TS922AIPT have ESD protection?
- What are the typical applications of the TS922AIPT?
The TS922AIPT is typically used in line drivers, actuator drivers, portable speakers, instrumentation, and multimedia systems.
- Is the TS922AIPT stable for capacitive loads?
- What is the equivalent input noise voltage of the TS922AIPT?
The equivalent input noise voltage is 9 nV/√Hz.
- What is the total harmonic distortion of the TS922AIPT?
The total harmonic distortion is 0.005% at 1 kHz.
