Overview
The LM8272MMX/NOPB is a dual Rail-to-Rail input and output operational amplifier (Op Amp) produced by Texas Instruments. This device is designed to operate with a wide supply voltage range of 2.5 V to 24 V, making it versatile for various applications. It features high output current drive, greater than Rail-to-Rail input common mode voltage range, and unlimited capacitive load drive capability. The LM8272 is particularly suited for flat panel TFT-LCD VCOM driver applications and other low power and medium speed applications that require ease of use and enhanced performance.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Full Power Bandwidth (GBWP) | 15 MHz | |
| Supply Voltage Range | 2.5 V to 24 V | |
| Slew Rate | 15 V/µs | |
| Supply Current per Channel | 0.95 mA | |
| Capacitive Load Tolerance | Unlimited | |
| Output Short Circuit Current | ±130 mA | |
| Output Current (1 V from rails) | ±65 mA | |
| Input Common Mode Voltage Range | 0.3 V beyond rails | |
| Input Voltage Noise | 15 nV/√Hz | |
| Input Current Noise | 1.4 pA/√Hz |
Key Features
- High output current drive capability.
- Greater than Rail-to-Rail input common mode voltage range.
- Unlimited capacitive load drive capability.
- Wide supply voltage range of 2.5 V to 24 V.
- Low supply current per channel of 0.95 mA.
- High slew rate of 15 V/µs.
- No output phase reversal under input overload conditions.
- Nearly constant supply current throughout the output voltage swing range.
- Nearly constant Unity gain frequency and Phase Margin for all operating supplies and load conditions.
Applications
- TFT-LCD flat panel VCOM driver applications.
- A/D converter buffer.
- High side/low side sensing.
- Headphone amplifier.
- Other low power and medium speed applications requiring ease of use and enhanced performance.
Q & A
- What is the supply voltage range of the LM8272?
The LM8272 operates with a supply voltage range of 2.5 V to 24 V.
- What is the typical supply current per channel for the LM8272?
The typical supply current per channel is 0.95 mA.
- Does the LM8272 support unlimited capacitive load?
- What is the slew rate of the LM8272?
The slew rate of the LM8272 is 15 V/µs.
- What are some common applications of the LM8272?
- Does the LM8272 exhibit output phase reversal under input overload conditions?
No, the LM8272 does not exhibit output phase reversal under input overload conditions.
- What is the input common mode voltage range of the LM8272?
The input common mode voltage range is 0.3 V beyond the supply rails.
- What is the typical input voltage noise of the LM8272?
The typical input voltage noise is 15 nV/√Hz.
- What package type is the LM8272MMX/NOPB available in?
The LM8272MMX/NOPB is available in an 8-pin VSSOP package.
- What are the dimensions of the VSSOP package for the LM8272MMX/NOPB?
The VSSOP package has dimensions of 3.00 mm × 3.00 mm.
