Overview
The LMV324A-Q1 is a quad-channel, low-voltage operational amplifier (op amp) designed by Texas Instruments. It is part of the LMV3xxA-Q1 family, which includes single, dual, and quad-channel configurations. This device is optimized for automotive applications, particularly in space-constrained environments where low-voltage operation and high capacitive-load drive are essential. The LMV324A-Q1 operates within a supply voltage range of 2.5 V to 5.5 V and features rail-to-rail output swing capabilities, making it suitable for applications such as infotainment, lighting, and various automotive systems.
Key Specifications
| Specification | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 14 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage Range | 2.5 to 5.5 | V |
| Input Offset Voltage | ±1 | mV |
| Unity-Gain Bandwidth | 1 | MHz |
| Low Broadband Noise | 30 | nV/√Hz |
| Input Bias Current | 10 | pA |
| Quiescent Current per Channel | 70 | µA |
| Capacitive Load Drive | 500 | pF |
Key Features
- AEC-Q100 qualified for automotive applications with a temperature grade 1: –40°C to +125°C.
- Low input offset voltage: ±1 mV.
- Rail-to-rail output swing.
- Unity-gain bandwidth: 1 MHz.
- Low broadband noise: 30 nV/√ Hz.
- Low input bias current: 10 pA.
- Low quiescent current: 70 µA per channel.
- Unity-gain stable.
- Internal RFI and EMI filter.
- Operational at supply voltages as low as 2.5 V.
- Easier to stabilize with higher capacitive loads due to resistive open-loop output impedance.
Applications
- Infotainment and cluster systems.
- Passive safety systems.
- Body electronics and lighting.
- HEV/EV inverter and motor control.
- On-board (OBC) and wireless charger systems.
- Powertrain current sensor applications.
- Advanced driver assistance systems (ADAS).
- Single-supply, low-side, unidirectional current-sensing circuits).
Q & A
- What is the operating temperature range of the LMV324A-Q1?
The operating temperature range of the LMV324A-Q1 is –40°C to +125°C).
- What is the supply voltage range for the LMV324A-Q1?
The supply voltage range for the LMV324A-Q1 is 2.5 V to 5.5 V).
- What is the input offset voltage of the LMV324A-Q1?
The input offset voltage of the LMV324A-Q1 is ±1 mV).
- What is the unity-gain bandwidth of the LMV324A-Q1?
The unity-gain bandwidth of the LMV324A-Q1 is 1 MHz).
- Is the LMV324A-Q1 AEC-Q100 qualified?
Yes, the LMV324A-Q1 is AEC-Q100 qualified for automotive applications).
- What is the capacitive load drive capability of the LMV324A-Q1?
The LMV324A-Q1 can drive capacitive loads up to 500 pF).
- Does the LMV324A-Q1 have internal RFI and EMI filtering?
Yes, the LMV324A-Q1 features an internal RFI and EMI filter).
- What is the quiescent current per channel for the LMV324A-Q1?
The quiescent current per channel for the LMV324A-Q1 is 70 µA).
- In what packages is the LMV324A-Q1 available?
The LMV324A-Q1 is available in SOIC, TSSOP, and SOT-23 packages).
- Is the LMV324A-Q1 unity-gain stable?
Yes, the LMV324A-Q1 is unity-gain stable).
