Overview
The LMV824DRG4, produced by Texas Instruments, is a quad operational amplifier (op amp) designed for low voltage and low power applications. This device is part of the LMV821/LMV824 family, which offers high performance and economy in various systems. The LMV824DRG4 is particularly suited for applications requiring multiple amplifiers in a compact package, such as in notebook computers, PDAs, and modem transmitter/receivers.
Key Specifications
| Parameter | Conditions | Typical | Min/Max | Unit |
|---|---|---|---|---|
| Supply Voltage (Operating Range) | VS = 2.7 V to 5.5 V | - | 5.5 V | V |
| Input Offset Voltage (VIO) | TA = -40°C to +85°C | 3.5 mV | 1 / 4 mV | mV |
| Input Offset Voltage Average Drift (TCVOS) | TA = -40°C to +85°C | 1 µV/°C | - | µV/°C |
| Gain Bandwidth Product (GBWP) | VS = 2.7 V, RL > 1 MΩ | 5 MHz | - | MHz |
| Slew Rate (SR) | VS = 2.7 V, VO = V+/2 | 1.4 V/µs | - | V/µs |
| Common Mode Rejection Ratio (CMRR) | VS = 5 V, RL = 100 kΩ | 90 dB | - | dB |
| Power Supply Rejection Ratio (PSRR) | VS = 5 V, RL = 100 kΩ | 85 dB | - | dB |
| Input Common Mode Voltage Range (VICR) | VS = 5 V | -0.3 V to 4.3 V | - | V |
| Output Swing (VOH/VOL) | RL = 600 Ω, VS = 5 V | 2.3 / 0.2 V | - | V |
| Supply Current (ICC) | TA = -40°C to +85°C | 0.4 mA | 0.3 / 0.6 mA | mA |
| Operating Temperature Range | - | - | -40°C to 85°C | °C |
Key Features
- Low Voltage and Low Power: Operates with supply voltages from 2.7 V to 5.5 V and has a low quiescent current of 220 µA per amplifier.
- Rail-to-Rail Output Swing: Provides rail-to-rail output swing into 600 Ω and 10 kΩ loads, ensuring maximum signal integrity.
- High Bandwidth and Slew Rate: Features a 5 MHz gain bandwidth product and a 1.4 V/µs slew rate, making it suitable for high-frequency applications.
- Low Input Offset Voltage and Drift: Offers a low input offset voltage of 3.5 mV and a low offset drift of 1 µV/°C, ensuring high accuracy.
- Compact Packaging: Available in SOIC-14 and TSSOP-14 packages, which are space-efficient and suitable for a variety of applications.
- Capable of Driving Capacitive Loads: Can drive large capacitive loads with the addition of a pull-up or isolation resistor.
- AEC-Q100 Qualified: Available in an AEC-Q100 Grade 1 version, making it suitable for automotive applications.
- Pb-Free and RoHS Compliant: Ensures environmental compliance and safety.
Applications
- Notebook Computers: Ideal for power-efficient designs in portable computing devices.
- PDAs and Handheld Devices: Suitable for low-power, high-performance requirements in personal digital assistants and other handheld devices.
- Modem Transmitter/Receivers: Used in communication equipment where low noise and high accuracy are crucial.
- Automotive Systems: AEC-Q100 qualified versions are available for use in automotive applications.
- General-Purpose Analog Circuits: Can be used in a wide range of analog circuits requiring low power and high performance.
Q & A
- What is the operating voltage range of the LMV824DRG4?
The LMV824DRG4 operates with supply voltages from 2.7 V to 5.5 V.
- What is the typical quiescent current per amplifier?
The typical quiescent current per amplifier is 220 µA at 2.7 V supply.
- What is the gain bandwidth product of the LMV824DRG4?
The gain bandwidth product is 5 MHz at 2.7 V supply.
- Can the LMV824DRG4 drive capacitive loads?
Yes, it can drive large capacitive loads with the addition of a pull-up or isolation resistor.
- What is the input offset voltage of the LMV824DRG4?
The maximum input offset voltage is 3.5 mV.
- Is the LMV824DRG4 AEC-Q100 qualified?
Yes, it is available in an AEC-Q100 Grade 1 version, making it suitable for automotive applications.
- What are the common package types for the LMV824DRG4?
It is available in SOIC-14 and TSSOP-14 packages.
- What is the operating temperature range of the LMV824DRG4?
The operating temperature range is from -40°C to 85°C.[
- Is the LMV824DRG4 Pb-Free and RoHS compliant?
Yes, it is Pb-Free and RoHS compliant.[
- What are some typical applications of the LMV824DRG4?
Typical applications include notebook computers, PDAs, modem transmitter/receivers, and automotive systems.[
