Overview
The TS924AIPT is a rail-to-rail quad 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 low-voltage and battery-operated applications. The device is known for its high output current, low noise, low distortion, and low input offset voltage, which are critical for high-quality audio systems and other precision applications.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2.7 | - | 12 | V |
| Input Offset Voltage (Vio) | 0.9 | 3 | 5 | mV |
| Input Offset Current (Iio) | 1 | - | 30 | nA |
| Input Bias Current (Iib) | 15 | - | 100 | nA |
| Common Mode Rejection Ratio (CMR) | 60 | - | 80 | dB |
| Gain Bandwidth Product (GBP) | 4 | - | - | MHz |
| Slew Rate (SR) | 0.7 | 1.3 | - | V/µs |
| Output Short-Circuit Current (Io) | 50 | - | 80 | mA |
| 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: 80 mA (able to drive 32 Ω loads)
- High-speed: 4 MHz, 1.3 V/µs
- Operating range from 2.7 V to 12 V
- Low input offset voltage: 900 µV max. (TS924A)
- ESD internal protection: 3 kV
- Latch-up immunity
Applications
- Headphone amplifiers
- Piezoelectric speaker drivers
- Sound cards
- MPEG boards, multimedia systems
- Line drivers, buffers
- Cordless telephones and portable communication equipment
- Instrumentation with low noise as a key factor
Q & A
- What is the operating voltage range of the TS924AIPT? The TS924AIPT operates from 2.7 V to 12 V.
- What is the typical input offset voltage of the TS924AIPT? The typical input offset voltage is 0.9 mV to 3 mV.
- What is the maximum output short-circuit current of the TS924AIPT? The maximum output short-circuit current is 80 mA.
- What is the gain bandwidth product of the TS924AIPT? The gain bandwidth product is 4 MHz.
- What is the slew rate of the TS924AIPT? The slew rate is 0.7 V/µs to 1.3 V/µs.
- Does the TS924AIPT have ESD protection? Yes, it has internal ESD protection up to 3 kV.
- What are some common applications of the TS924AIPT? Common applications include headphone amplifiers, piezoelectric speaker drivers, sound cards, and instrumentation with low noise requirements.
- What is the typical equivalent input noise voltage of the TS924AIPT? The typical equivalent input noise voltage is 9 nV/√Hz.
- Is the TS924AIPT stable for capacitive loads? Yes, it is stable for capacitive loads up to 500 pF.
- What is the total harmonic distortion (THD) of the TS924AIPT? The THD is 0.005% at Vout = 2 Vpk-pk, F = 1 kHz, Av = 1, RL = 600 Ω.
