Overview
The LM8261M5X, produced by Texas Instruments, is a Rail-to-Rail input and output operational amplifier (Op Amp) designed to operate with a wide supply voltage range of 2.5 V to 30 V. This device is notable for its high output current drive, unlimited capacitive load drive capability, and high speed and slew rate, all while requiring a low supply current of 0.97 mA. It is specifically tailored for applications such as flat panel TFT panel VCOM drivers and other low power, medium speed applications that demand ease of use and enhanced performance.
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 |
| ±5% Settling Time (500 pF, 100 mVPP Step) | 400 ns | 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% | % |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package | SOT-23-5 |
Key Features
- Rail-to-Rail input and output capability for high and low-level signal gain.
- High output current drive, up to 15 mA, with minimal headroom from either rail (300 mV).
- Unlimited capacitive load drive capability, making it suitable for driving heavy capacitive loads.
- Wide supply voltage range of 2.5 V to 30 V, allowing flexibility in various applications.
- High speed and slew rate (12 V/µs) while consuming only 0.97 mA supply current.
- Greater than Rail-to-Rail input common mode voltage range with 50 dB of Common Mode Rejection.
- Low distortion output stage with THD+N < 0.05%.
- Space-saving SOT-23-5 package.
Applications
- TFT-LCD Flat Panel VCOM Driver: Specifically designed to handle the requirements of flat panel TFT panel VCOM driver applications.
- A/D Converter Buffer: Suitable for buffering in analog-to-digital converter circuits.
- High Side/Low Side Sensing: Enables high side and low side sensing without exceeding the input common mode voltage range.
- Headphone Amplifier: Can be used in headphone amplifier applications due to its high output current and low distortion.
- Signal Processing and Data Conversion Circuits: Applicable in various signal processing and data conversion circuits due to its high speed and accuracy.
- Lighting: Suitable for lighting applications that require high output current and stability.
Q & A
- What is the supply voltage range of the LM8261M5X?
The LM8261M5X can operate with a supply voltage range of 2.5 V to 30 V.
- What is the typical supply current of the LM8261M5X?
The typical supply current is 0.97 mA.
- What is the slew rate of the LM8261M5X?
The slew rate is 12 V/µs.
- Can the LM8261M5X drive heavy capacitive loads?
Yes, it has unlimited capacitive load drive capability.
- What is the operating temperature range of the LM8261M5X?
The operating temperature range is -40°C to 85°C.
- What package is the LM8261M5X available in?
The LM8261M5X is available in the SOT-23-5 package.
- What are some common applications of the LM8261M5X?
Common applications include TFT-LCD flat panel VCOM drivers, A/D converter buffers, high side/low side sensing, headphone amplifiers, and various signal processing and data conversion circuits.
- What is the input common mode voltage range of the LM8261M5X?
The input common mode voltage range extends 0.3 V beyond the rails.
- What is the total harmonic distortion + noise (THD+N) of the LM8261M5X?
The THD+N is less than 0.05%.
- Is the LM8261M5X suitable for high-speed applications?
Yes, it has a high gain bandwidth product (GBWP) of 21 MHz and a full power bandwidth up to 1 MHz, making it suitable for high-speed applications.
