Overview
The TS924IDT, produced by STMicroelectronics, is a rail-to-rail quad BiCMOS operational amplifier. This device 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 TS924IDT is part of the TS924 and TS924A family, which are known for their high output current, low noise, low distortion, and high-speed performance.
The device features a high output current capability of up to 80 mA, enabling it to drive low load impedances such as 32 Ω loads. It also exhibits low input offset voltage, high gain bandwidth product, and excellent phase margin, ensuring stable operation with capacitive loads up to 500 pF.
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 |
| Supply Current (ICC) | 1 | - | 1.6 | 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: up to 80 mA, capable of driving 32 Ω loads
- High-speed performance: 4 MHz gain bandwidth product, 1.3 V/µs slew rate
- Operating range from 2.7 V to 12 V
- Low input offset voltage: 900 µV max. (TS924A)
- Internal ESD protection: 3 kV
- Latch-up immunity
- Stable for capacitive loads up to 500 pF
Applications
- Headphone amplifiers
- Piezoelectric speaker drivers
- Sound cards and multimedia systems
- MPEG boards
- Line drivers and buffers
- Cordless telephones and portable communication equipment
- Instrumentation requiring low noise
Q & A
- What is the operating voltage range of the TS924IDT?
The TS924IDT operates within a voltage range of 2.7 V to 12 V.
- What is the maximum output current of the TS924IDT?
The maximum output current is up to 80 mA.
- What is the gain bandwidth product of the TS924IDT?
The gain bandwidth product is 4 MHz.
- What is the slew rate of the TS924IDT?
The slew rate is 0.7 to 1.3 V/µs.
- Does the TS924IDT have internal ESD protection?
Yes, it has internal ESD protection up to 3 kV.
- What are the typical applications of the TS924IDT?
Typical applications include headphone amplifiers, piezoelectric speaker drivers, sound cards, and instrumentation requiring low noise.
- What is the maximum input offset voltage for the TS924A version?
The maximum input offset voltage for the TS924A is 900 µV.
- Is the TS924IDT stable for capacitive loads?
Yes, it is stable for capacitive loads up to 500 pF.
- What is the total harmonic distortion (THD) of the TS924IDT?
The total harmonic distortion is 0.005%.
- What package options are available for the TS924IDT?
The TS924IDT is available in SO14 and TSSOP14 packages.
