Overview
The LMV324IPWRE4 is a quad low-voltage rail-to-rail output operational amplifier manufactured by Texas Instruments. This device is part of the LMV321, LMV358, and LMV324 family, designed to meet the needs for low-cost, general-purpose operational amplifiers. It operates over a wide temperature range of –40°C to +125°C, making it suitable for various applications in different environments.
Key Specifications
| Parameter | Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (Vio) | Vicm = Vout = VCC/2 | 0.1 | 3 | 6 | mV |
| Input Offset Voltage Drift (ΔVio/ΔT) | Tmin ≤ Tamb ≤ Tmax | 2 | µV/°C | ||
| Input Offset Current (Iio) | Vicm = Vout = VCC/2 | 1 | 9 | 25 | nA |
| Input Bias Current (Iib) | Vicm = Vout = VCC/2 | 10 | 50 | 85 | nA |
| Common Mode Rejection Ratio (CMR) | 0 ≤ Vicm ≤ VCC | 55 | 85 | dB | |
| Supply Voltage Rejection Ratio (SVR) | Vicm = VCC/2 | 70 | 80 | dB | |
| Unity-Gain Bandwidth (B1) | CL = 200 pF | 1 | MHz | ||
| Phase Margin (Φm) | 60 | deg | |||
| Gain Margin (Gm) | 10 | dB | |||
| Equivalent Input Noise Voltage (Vn) | f = 1 kHz | 46 | nV/√Hz | ||
| Equivalent Input Noise Current (In) | f = 1 kHz | 0.17 | pA/√Hz | ||
| Supply Current (ICC) | Tamb = 25°C | 260 | 680 | µA | |
| High Level Output Voltage (VOH) | Vid = 100 mV, RL = 10 kΩ | 2.6 | 2.65 | V | |
| Low Level Output Voltage (VOL) | Vid = -100 mV, RL = 10 kΩ | 15 | 90 | mV | |
| Output Current (Io) | Vid = 100 mV, VO = VDD | 5 | 46 | mA |
Key Features
- Low Voltage Operation: The LMV324IPWRE4 operates with supply voltages as low as 2.7V and up to 5.5V, making it suitable for low-power applications.
- Rail-to-Rail Output Swing: This feature allows the output voltage to swing from the negative supply voltage to the positive supply voltage, maximizing the dynamic range of the amplifier.
- No Crossover Distortion: This ensures that the amplifier does not introduce distortion when the output signal crosses the zero-volt level.
- Low Supply Current: The device has a typical supply current of 410 µA for all four amplifiers, which is beneficial for power-sensitive applications.
- ESD Protection: The LMV324IPWRE4 has ESD protection that exceeds JESD 22 – 2000-V human-body model and 1000-V charged-device model.
- Wide Temperature Range: The device operates over a temperature range of –40°C to +125°C, making it suitable for various environmental conditions.
Applications
- Desktop PCs and Net-books: Suitable for use in computer systems due to its low power consumption and compact package.
- HVAC Systems: Used in heating, ventilating, and air conditioning systems for signal amplification and processing.
- Motor Control: Applied in AC induction motor control systems for precise signal handling.
- Portable Media Players: Ideal for use in portable electronic devices due to its low voltage and low power characteristics.
- Professional Audio Mixers: Used in audio equipment for high-quality signal amplification.
- Refrigerators and Washing Machines: Employed in high-end and low-end consumer appliances for various control and monitoring functions.
- Telecom DC/DC Modules: Utilized in telecommunications equipment for power management and signal processing.
Q & A
- What is the operating voltage range of the LMV324IPWRE4?
The LMV324IPWRE4 operates with supply voltages ranging from 2.7V to 5.5V.
- What is the typical supply current of the LMV324IPWRE4?
The typical supply current for the LMV324IPWRE4 is 410 µA for all four amplifiers.
- Does the LMV324IPWRE4 have rail-to-rail output swing?
Yes, the LMV324IPWRE4 features rail-to-rail output swing, allowing the output voltage to swing from the negative supply voltage to the positive supply voltage.
- What is the unity-gain bandwidth of the LMV324IPWRE4?
The unity-gain bandwidth of the LMV324IPWRE4 is 1 MHz with a load capacitance of 200 pF.
- What is the temperature range for the LMV324IPWRE4?
The device operates over a temperature range of –40°C to +125°C).
- Does the LMV324IPWRE4 have ESD protection?
Yes, the LMV324IPWRE4 has ESD protection that exceeds JESD 22 – 2000-V human-body model and 1000-V charged-device model).
- In what package is the LMV324IPWRE4 available?
The LMV324IPWRE4 is available in a 14-pin TSSOP package).
- What are some common applications of the LMV324IPWRE4?
Common applications include desktop PCs, HVAC systems, motor control, portable media players, professional audio mixers, refrigerators, washing machines, and telecom DC/DC modules).
- Is the LMV324IPWRE4 RoHS compliant?
Yes, the LMV324IPWRE4 is RoHS compliant).
- Are there any upgraded versions of the LMV324IPWRE4?
Yes, for an upgraded version with enhanced performance, refer to the LMV321A, LMV358A, and LMV324A).
