Overview
The LMV721IDBVR, produced by Texas Instruments, is a single low-noise, low-voltage, low-power operational amplifier. This device is part of the LMV721 series, which includes both single (LMV721) and dual (LMV722) configurations. The LMV721IDBVR is designed to provide optimal performance in low-voltage and low-noise systems, making it suitable for a wide range of applications. It features a unity-gain bandwidth of 10 MHz, a slew rate of up to 5 V/ms, and a quiescent current of 930 µA per amplifier at 2.2 V. The device operates over a supply voltage range of 2.2 V to 5.5 V and has an input common-mode voltage range that includes ground, enhancing its versatility in various electronic designs.
Key Specifications
| Parameter | Typical Value | Unit | Conditions |
|---|---|---|---|
| Supply Voltage | 2.2 to 5.5 | V | Recommended Operating Conditions |
| Unity-Gain Bandwidth | 10 | MHz | VCC+ = 2.2 V to 5 V |
| Slew Rate | 4.9 to 5.25 | V/ms | VCC+ = 2.2 V to 5 V |
| Input Offset Voltage | 0.02 to 3.5 | mV | TJ = 25°C to 105°C |
| Input Bias Current | 260 | nA | TJ = 25°C |
| Input-Referred Voltage Noise | 8.5 to 9 | nV/√Hz | f = 1 kHz |
| Common-Mode Rejection Ratio | 70 to 90 | dB | VICR = 0 V to 1.3 V |
| Power-Supply Rejection Ratio | 64 to 90 | dB | VCC+ = 2.2 V to 5 V |
| Operating Temperature Range | -40 to 105 | °C | |
| Package Type | SOT-23 (DBV) |
Key Features
- Low Noise and Low Voltage Operation: The LMV721IDBVR features an input-referred voltage noise of 8.5 to 9 nV/√Hz at 1 kHz, making it suitable for low-noise applications.
- High Bandwidth and Slew Rate: With a unity-gain bandwidth of 10 MHz and a slew rate of up to 5.25 V/ms, this amplifier is ideal for high-speed applications.
- Rail-to-Rail Output Swing: The device provides rail-to-rail output swing into heavy loads, enhancing its performance in various circuit configurations.
- Input Common-Mode Voltage Range Includes Ground: This feature allows for greater flexibility in circuit design.
- Low Quiescent Current: The device operates with a quiescent current of 930 µA per amplifier at 2.2 V, making it power-efficient.
- Good Capacitive Load Capability: The LMV721IDBVR can handle capacitive loads well, even at low supply voltages.
Applications
- Cellular and Cordless Phones: The low noise and low power consumption make it suitable for mobile communication devices.
- Active Filters and Buffers: The high bandwidth and slew rate make it ideal for active filter and buffer applications.
- Laptops and PDAs: Its low power consumption and compact package make it a good fit for portable electronics.
- Battery Powered Electronics: The device is well-suited for battery-powered devices due to its low power requirements.
Q & A
- What is the typical supply voltage range for the LMV721IDBVR?
The typical supply voltage range is from 2.2 V to 5.5 V.
- What is the unity-gain bandwidth of the LMV721IDBVR?
The unity-gain bandwidth is 10 MHz.
- What is the slew rate of the LMV721IDBVR?
The slew rate is up to 5.25 V/ms.
- What is the input-referred voltage noise of the LMV721IDBVR?
The input-referred voltage noise is 8.5 to 9 nV/√Hz at 1 kHz.
- What is the operating temperature range for the LMV721IDBVR?
The operating temperature range is from -40°C to 105°C.
- What package type is the LMV721IDBVR available in?
The LMV721IDBVR is available in the SOT-23 (DBV) package.
- What are some common applications for the LMV721IDBVR?
Common applications include cellular and cordless phones, active filters and buffers, laptops and PDAs, and battery-powered electronics.
- What is the quiescent current of the LMV721IDBVR at 2.2 V?
The quiescent current is 930 µA per amplifier at 2.2 V.
- Does the LMV721IDBVR have rail-to-rail output swing?
Yes, the device provides rail-to-rail output swing into heavy loads.
- Is the input common-mode voltage range of the LMV721IDBVR inclusive of ground?
Yes, the input common-mode voltage range includes ground.
