Overview
The TS922ID, produced by STMicroelectronics, is a rail-to-rail, high output current, dual operational amplifier. This device is optimized and fully specified for 3 V and 5 V operations, making it suitable for a variety of applications, including high-quality, low-voltage, or battery-operated audio systems. The TS922ID features high output currents, allowing it to drive low-load impedances effectively, and it is stable for capacitive loads up to 500 pF.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2.7 to 12 | V |
| Input Offset Voltage | 0.9 (TS922A), 3 (TS922) | mV |
| High Level Output Voltage | 4.9 (RL=10 kΩ), 4.4 (RL=32 Ω) | V |
| Low Level Output Voltage | 50 mV (RL=10 kΩ), 300 mV (RL=32 Ω) | mV |
| Output Short-Circuit Current | 50 to 80 | mA |
| Slew Rate | 0.7 to 1.3 | V/μs |
| Gain Bandwidth Product | 4 MHz | |
| Common Mode Rejection Ratio | 60 to 80 dB | |
| Equivalent Input Noise Voltage | 9 nV/√Hz | |
| Total Harmonic Distortion | 0.005 % | |
| Operating Temperature | -40 to 125 °C | °C |
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
Applications
- Line drivers and actuator drivers
- Portable speakers
- Instrumentation with low noise as a key factor
- Multimedia systems and portable equipment
- High-quality, low-voltage, or battery-operated audio systems
Q & A
- What is the operating voltage range of the TS922ID?
The TS922ID operates from 2.7 to 12 V.
- What is the maximum output current of the TS922ID?
The maximum output current is 80 mA.
- What is the input offset voltage of the TS922ID?
The input offset voltage is 0.9 mV for the TS922A and 3 mV for the TS922.
- What is the gain bandwidth product of the TS922ID?
The gain bandwidth product is 4 MHz.
- Is the TS922ID stable for capacitive loads?
Yes, it is stable for capacitive loads up to 500 pF.
- What is the slew rate of the TS922ID?
The slew rate is 0.7 to 1.3 V/μs.
- Does the TS922ID have ESD protection?
Yes, it has internal ESD protection up to 2 kV.
- What are the typical applications of the TS922ID?
Typical applications include line drivers, actuator drivers, portable speakers, instrumentation, and multimedia systems.
- What is the common mode rejection ratio of the TS922ID?
The common mode rejection ratio is 60 to 80 dB.
- What is the total harmonic distortion of the TS922ID?
The total harmonic distortion is 0.005 %.
