Overview
The TS922AIDT is a rail-to-rail dual BiCMOS operational amplifier produced by STMicroelectronics. It 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 TS922AIDT features high output currents, low noise, low distortion, and low input offset voltage, which are critical for high-quality audio systems and other precision applications.
Key Specifications
| Parameter | Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| VCC Supply Voltage | 2.7 | 12 | V | ||
| Vio Input Offset Voltage | VCC = 3 V, Vicm = VCC/2, Tamb = 25 °C | 0.9 | 1.8 | mV | |
| Iio Input Offset Current | Vout = VCC/2 | 1 | 30 | 30 | nA |
| VOH High Level Output Voltage | RL = 10 kΩ | 2.90 | 2.90 | V | |
| VOL Low Level Output Voltage | RL = 10 kΩ | 50 | 50 | mV | |
| GBP Gain Bandwidth Product | RL = 600 Ω | 4 | MHz | ||
| SR Slew Rate | 0.7 | 1.3 | V/μs | ||
| Io Output Short-Circuit Current | 50 | 80 | mA | ||
| en Equivalent Input Noise Voltage | f = 1 kHz | 9 | nV/√Hz | ||
| THD Total Harmonic Distortion | Vout = 2 Vp-p, f = 1 kHz, Av = 1, RL = 600 Ω | 0.005 | % |
Key Features
- Rail-to-rail input and output
- Low noise: 9 nV/√Hz at 1 kHz
- Low distortion
- High output current: up to 80 mA, capable of driving 32 Ω loads
- High-speed operation: 4 MHz gain bandwidth product, 1 V/μs slew rate
- Operating voltage range: 2.7 V 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 and audio systems
- Instrumentation where low noise is critical
- Multimedia systems and portable equipment
Q & A
- What is the operating voltage range of the TS922AIDT?
The TS922AIDT operates within a voltage range of 2.7 V to 12 V.
- What is the maximum output current of the TS922AIDT?
The maximum output current is approximately 80 mA.
- What is the gain bandwidth product of the TS922AIDT?
The gain bandwidth product is 4 MHz.
- What is the slew rate of the TS922AIDT?
The slew rate is 0.7 to 1.3 V/μs.
- Does the TS922AIDT have ESD protection?
Yes, it has internal ESD protection up to 2 kV.
- What is the input offset voltage of the TS922AIDT?
The input offset voltage is 0.9 mV max.
- What is the total harmonic distortion of the TS922AIDT?
The total harmonic distortion is 0.005% at 1 kHz with a 2 Vp-p output and Av = 1.
- Is the TS922AIDT stable for capacitive loads?
Yes, it is stable for capacitive loads up to 500 pF.
- What are some common applications of the TS922AIDT?
Common applications include line drivers, actuator drivers, portable speakers, instrumentation, and multimedia systems.
- What package options are available for the TS922AIDT?
The TS922AIDT is available in SO8 and TSSOP8 packages, as well as an 8-bump Flip-chip package.
