Overview
The LM8261M5 from Texas Instruments is a single, rail-to-rail input and output operational amplifier (op-amp) designed for a wide range of applications. It is particularly suited for flat panel TFT VCOM driver applications and other low-power, medium-speed uses. The device operates with a supply voltage range of 2.5 V to 30 V, making it versatile for various operating conditions. With its high output current drive, unlimited capacitive load capability, and low distortion, the LM8261M5 offers enhanced performance and ease of use in multiple scenarios.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Gain Bandwidth Product (GBWP) | 21 | MHz |
| Supply Voltage Range | 2.5 V to 30 V | V |
| Slew Rate | 12 | V/µs |
| Supply Current | 0.97 | mA |
| Cap Load Limit | Unlimited | |
| Output Short Circuit Current | 53 mA / -75 mA | mA |
| Settling Time (±5%) | 400 ns (500 pF, 100 mVPP Step) | ns |
| Input Common Mode Voltage | 0.3 V Beyond Rails | V |
| Input Voltage Noise | 15 nV/√Hz | nV/√Hz |
| Input Current Noise | 1 pA/√Hz | pA/√Hz |
| Total Harmonic Distortion + Noise (THD+N) | < 0.05% | % |
Key Features
- Rail-to-Rail input and output capability
- High output current drive
- Unlimited capacitive load drive capability
- Wide supply voltage range of 2.5 V to 30 V
- High slew rate of 12 V/µs
- Low supply current of 0.97 mA
- Low distortion with THD+N < 0.05%
- Input common mode voltage range beyond the rails
- Low input voltage and current noise
- Space-saving SOT-23-5 package
Applications
- TFT-LCD Flat Panel VCOM Driver
- A/D Converter Buffer
- High Side/Low Side Sensing
- Headphone Amplifier
- Low power and medium speed applications requiring high performance and ease of use
Q & A
- What is the supply voltage range of the LM8261M5? The supply voltage range is 2.5 V to 30 V.
- What is the gain bandwidth product (GBWP) of the LM8261M5? The GBWP is 21 MHz.
- What is the slew rate of the LM8261M5? The slew rate is 12 V/µs.
- What is the supply current of the LM8261M5? The supply current is 0.97 mA.
- Does the LM8261M5 have unlimited capacitive load capability? Yes, it has unlimited capacitive load capability.
- What is the typical output short circuit current of the LM8261M5? The output short circuit current is 53 mA / -75 mA.
- What is the settling time of the LM8261M5 for a 500 pF load and 100 mVPP step? The settling time is 400 ns.
- What is the input common mode voltage range of the LM8261M5? The input common mode voltage range is 0.3 V beyond the rails.
- What is the total harmonic distortion + noise (THD+N) of the LM8261M5? The THD+N is less than 0.05%.
- In what package is the LM8261M5 available? The LM8261M5 is available in a SOT-23-5 package.
