Overview
The TS922AID, produced by STMicroelectronics, is a rail-to-rail dual BiCMOS operational amplifier optimized and fully specified for 3 V and 5 V operations. This device is part of the TS922 and TS922A family, known for its high output current, low noise, and low distortion, making it an excellent choice for high-quality, low-voltage, or battery-operated audio systems and other applications requiring precise signal processing.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 2.7 to 12 | V |
| Input Offset Voltage (Vio) | 0.9 mV (max) | mV |
| Input Offset Current (Iio) | 1 to 30 nA | nA |
| High Level Output Voltage (VOH) | 4.9 V (RL = 10 kΩ), 4.85 V (RL = 600 Ω), 4.4 V (RL = 32 Ω) | V |
| Low Level Output Voltage (VOL) | 50 mV (RL = 10 kΩ), 100 mV (RL = 600 Ω), 180 mV (RL = 32 Ω) | mV |
| Large Signal Voltage Gain (Avd) | 200 V/mV (RL = 10 kΩ), 35 V/mV (RL = 600 Ω), 16 V/mV (RL = 32 Ω) | V/mV |
| Total Supply Current (Icc) | 2 to 3.2 mA | mA |
| Gain Bandwidth Product (GBP) | 4 MHz | MHz |
| Common Mode Rejection Ratio (CMR) | 60 to 80 dB | dB |
| Supply Voltage Rejection Ratio (SVR) | 60 to 85 dB | dB |
| Output Short-Circuit Current (Io) | 50 to 80 mA | mA |
| Slew Rate (SR) | 0.7 to 1.3 V/μs | V/μs |
| Equivalent Input Noise Voltage (en) | 9 nV/√Hz | 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: 80 mA (able to drive 32 Ω loads)
- High-speed: 4 MHz, 1 V/μs
- Operating from 2.7 V 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
- High-quality, low-voltage, or battery-operated audio systems
Q & A
- What is the operating voltage range of the TS922AID?
The TS922AID operates from 2.7 V to 12 V.
- What is the maximum output current of the TS922AID?
The maximum output current is approximately 80 mA.
- What is the input offset voltage of the TS922AID?
The input offset voltage is 0.9 mV (max) for the TS922A.
- What is the slew rate of the TS922AID?
The slew rate is 0.7 to 1.3 V/μs.
- Is the TS922AID protected against ESD?
Yes, the TS922AID has internal ESD protection up to 2 kV.
- What is the gain bandwidth product of the TS922AID?
The gain bandwidth product is 4 MHz.
- What is the common mode rejection ratio of the TS922AID?
The common mode rejection ratio is 60 to 80 dB.
- What is the total harmonic distortion of the TS922AID?
The total harmonic distortion is 0.005 %.
- What are the typical applications of the TS922AID?
Typical applications include line drivers, actuator drivers, portable speakers, instrumentation, and multimedia systems.
- Is the TS922AID stable for capacitive loads?
Yes, the TS922AID is stable for capacitive loads up to 500 pF.
