Overview
The LMV721M5X/NOPB, produced by Texas Instruments, is a single-channel, low-noise, low-voltage, and low-power operational amplifier. This device is part of the LMV721-N series and is designed to provide optimal performance in a variety of low-voltage and low-noise applications. The LMV721M5X/NOPB is available in a 5-pin SOT-23 package, making it suitable for space-constrained designs.
With its high unity-gain bandwidth of 10MHz and a slew rate of 5V/μs, this operational amplifier is ideal for applications requiring high-speed signal processing. It also features a rail-to-rail output swing, ensuring maximum signal integrity even with heavy loads.
Key Specifications
| Parameter | Test Conditions | Typical Value | Units |
|---|---|---|---|
| Supply Voltage Range | 2.2V to 5.5V | - | V |
| Unity Gain Bandwidth | V+ = 2.2V or 5V, RL > 1MΩ | 10 | MHz |
| Slew Rate | V+ = 2.2V or 5V, RL > 1MΩ | 4.9 / 5.25 | V/μs |
| Quiescent Current per Amplifier | V+ = 2.2V | 930 | μA |
| Input Offset Voltage | V+ = 2.2V or 5V | 3.5 | mV |
| Input Common Mode Voltage Range | V+ = 2.2V or 5V | -0.3 to 4.1 | V |
| Output Swing | RL = 600Ω or 2kΩ, V+ = 2.2V or 5V | Varies with load | V |
| Input-Referred Voltage Noise | f = 1 kHz | 9 / 8.5 | nV/√Hz |
| Operating Temperature Range | - | -40 to 85 | °C |
Key Features
- Low Noise and Low Power: The LMV721M5X/NOPB offers low noise and low power consumption, making it suitable for battery-powered and low-voltage applications.
- High Unity-Gain Bandwidth and Slew Rate: With a unity gain bandwidth of 10MHz and a slew rate of up to 5.25V/μs, this amplifier is ideal for high-speed signal processing.
- Rail-to-Rail Output Swing: Ensures maximum signal integrity by providing output swing to within 50mV of either rail at 2kΩ load.
- Input Common Mode Voltage Range Includes Ground: The input common mode voltage range includes ground, making it versatile for various signal processing tasks.
- Compact Packaging: Available in a 5-pin SOT-23 package, which is suitable for space-constrained designs.
- Capacitive Load Capability: Good capacitive load capability at low supply voltages, enhancing its usability in a wide range of applications.
Applications
- Cellular and Cordless Phones: Suitable for signal processing in mobile communication devices.
- Active Filters and Buffers: Ideal for use in active filter circuits and as signal buffers.
- Laptops and PDAs: Used in portable electronic devices requiring low power and high performance.
- Battery Powered Electronics: Perfect for battery-powered devices due to its low power consumption and low noise characteristics.
- Microphone Preamplifiers: Can be used in battery-powered microphone preamplifier circuits as shown in the typical application figure.
Q & A
- What is the typical supply current for the LMV721M5X/NOPB at 2.2V supply voltage?
The typical supply current is 930μA per amplifier at 2.2V supply voltage.
- What is the unity gain bandwidth of the LMV721M5X/NOPB?
The unity gain bandwidth is 10MHz.
- What is the slew rate of the LMV721M5X/NOPB?
The slew rate is up to 5.25V/μs.
- What is the input common mode voltage range for the LMV721M5X/NOPB?
The input common mode voltage range includes ground and extends up to 4.1V.
- What is the output swing capability of the LMV721M5X/NOPB?
The output swing is rail-to-rail, with the ability to swing to within 50mV of either rail at a 2kΩ load.
- What are the typical noise characteristics of the LMV721M5X/NOPB?
The input-referred voltage noise is typically 9nV/√Hz at 1kHz.
- What is the operating temperature range for the LMV721M5X/NOPB?
The operating temperature range is -40°C to 85°C.
- What are the package options available for the LMV721M5X/NOPB?
The device is available in a 5-pin SOT-23 package.
- Is the LMV721M5X/NOPB suitable for high-capacitive loads?
Yes, it has good capacitive load capability, especially at low supply voltages.
- What are some common applications of the LMV721M5X/NOPB?
Common applications include cellular and cordless phones, active filters, buffers, laptops, PDAs, and battery-powered electronics.
