Overview
The LMV652MMX/NOPB from Texas Instruments is a high-performance, low-power operational amplifier IC. This device is part of the LMV65x family, which is known for its exceptional bandwidth to power ratio. The LMV652 is unity-gain stable, operates over a supply voltage range of 2.7 V to 5.5 V, and consumes a low current of 118 μA per amplifier. It features a wide unity-gain bandwidth of 12 MHz, making it ideal for low-power signal processing applications such as portable media players, automotive systems, and sensor instrumentation.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Supply Current per Amplifier | 118 | μA |
| Unity-Gain Bandwidth | 12 | MHz |
| Maximum Input Offset Voltage | ±1.5 | mV |
| Common-Mode Rejection Ratio (CMRR) | 100 | dB |
| Power Supply Rejection Ratio (PSRR) | 95 | dB |
| Input Referred Voltage Noise | 17 | nV/√Hz |
| Total Harmonic Distortion (THD) at 1 kHz, 2 kΩ | 0.003% | |
| Operating Temperature Range | −40°C to 125°C | |
| Package Type | 8-pin VSSOP |
Key Features
- Low Power Consumption: The LMV652 consumes only 118 μA of current per amplifier, making it suitable for battery-powered systems and portable equipment.
- High Unity-Gain Bandwidth: With a bandwidth of 12 MHz, this amplifier provides wideband amplification while using minimal power.
- Low Input Offset Voltage: A maximum input offset voltage of 1.5 mV ensures high accuracy in amplification.
- High CMRR and PSRR: Common-mode rejection ratio (CMRR) of 100 dB and power supply rejection ratio (PSRR) of 95 dB provide excellent noise rejection.
- Low Noise Performance: The amplifier features a flatband input-referred voltage noise density of 17 nV/√Hz, suitable for applications requiring low noise.
- Rail-to-Rail Output Stage: The output stage provides the maximum possible output dynamic range, which is crucial for applications requiring a large output swing.
- Ground Sensing Capability: The input common-mode range includes the negative supply rail, allowing direct sensing at ground in single-supply operations.
Applications
- Portable Equipment: Ideal for battery-powered devices such as portable media players and PDAs.
- Automotive Systems: Suitable for automotive applications due to its wide operating temperature range and low power consumption.
- Sensors and Instrumentation: Used in sensor applications and instrumentation where low noise and high accuracy are required.
- Battery-Powered Systems: Excellent choice for any system that requires low power amplification.
Q & A
- What is the typical supply current of the LMV652?
The typical supply current of the LMV652 is 118 μA per amplifier.
- What is the unity-gain bandwidth of the LMV652?
The unity-gain bandwidth of the LMV652 is 12 MHz.
- What is the maximum input offset voltage of the LMV652?
The maximum input offset voltage of the LMV652 is ±1.5 mV.
- What are the CMRR and PSRR values of the LMV652?
The CMRR is 100 dB and the PSRR is 95 dB.
- What is the input-referred voltage noise density of the LMV652?
The input-referred voltage noise density is 17 nV/√Hz.
- What is the operating temperature range of the LMV652?
The operating temperature range is −40°C to 125°C.
- In what package is the LMV652 available?
The LMV652 is available in an 8-pin VSSOP package.
- Is the LMV652 suitable for automotive applications?
Yes, the LMV652 is suitable for automotive applications due to its wide operating temperature range and low power consumption.
- Can the LMV652 be used in single-supply operations?
Yes, the LMV652 can be used in single-supply operations as its input common-mode range includes the negative supply rail.
- What are some common applications of the LMV652?
Common applications include portable equipment, automotive systems, sensors, and instrumentation.
