Overview
The TS924ID, part of the TS924 and TS924A series, is a rail-to-rail quad BiCMOS operational amplifier produced by STMicroelectronics. These devices are optimized and fully specified for 3 V and 5 V operation, making them suitable for high-quality, low-voltage, and battery-operated audio systems. The TS924ID offers high output current, low noise, low distortion, and low input offset voltage, making it an excellent choice for various audio and communication 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 |
| Supply Voltage Rejection Ratio (SVR) | 60 | - | 85 | dB |
| Large Signal Voltage Gain (Avd) | 70 | - | 200 | V/mV |
| Output Short-Circuit Current (Io) | 50 | - | 80 | mA |
| Gain Bandwidth Product (GBP) | 4 | - | - | MHz |
| Slew Rate (SR) | 0.7 | 1.3 | - | V/µs |
| Equivalent Input Noise Voltage (en) | 9 | - | - | nV/√Hz |
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 TS924ID? The operating voltage range is from 2.7 V to 12 V.
- What is the maximum output current of the TS924ID? The maximum output current is 80 mA.
- What is the typical slew rate of the TS924ID? The typical slew rate is 1.3 V/µs.
- What is the input offset voltage of the TS924ID? The input offset voltage is 0.9 mV to 5 mV.
- Does the TS924ID have ESD protection? Yes, it has internal ESD protection up to 3 kV.
- What are the typical applications of the TS924ID? Typical applications include headphone amplifiers, piezoelectric speaker drivers, sound cards, and more.
- What is the gain bandwidth product of the TS924ID? The gain bandwidth product is 4 MHz.
- Is the TS924ID stable for capacitive loads? Yes, it is stable for capacitive loads up to 500 pF.
- What is the common mode rejection ratio (CMR) of the TS924ID? The CMR is 60 dB to 80 dB.
- What is the equivalent input noise voltage of the TS924ID? The equivalent input noise voltage is 9 nV/√Hz.
