Overview
The LM324LVIDR is a quad operational amplifier (op-amp) produced by Texas Instruments. It is part of the LM3xxLV family, designed for low-voltage applications and cost-sensitive systems. This device offers improved performance over its predecessors, such as the LM324, particularly in low-voltage scenarios. The LM324LVIDR is unity-gain stable, has a low input offset voltage, and operates over a wide temperature range, making it suitable for various industrial and consumer applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | ±1 | ±3 | ±5 | mV |
| Unity-Gain Bandwidth | 1 | MHz | ||
| Common-Mode Voltage Range (VCM) | (V–) – 0.1 | (V+) – 1 | V | |
| Power-Supply Rejection Ratio (PSRR) | 80 | 100 | dB | |
| Quiescent Current per Channel | 90 | µA | ||
| Supply Voltage Range | 2.7 | 5.5 | V | |
| Operating Temperature Range | –40 | 125 | °C | |
| ESD Protection | 2 kV | HBM |
Key Features
- Industry standard amplifier for cost-sensitive systems
- Low input offset voltage: ±1 mV
- Common-mode voltage range includes ground
- Unity-gain bandwidth: 1 MHz
- Low broadband noise: 40 nV/√Hz
- Low quiescent current: 90 µA per channel
- Unity-gain stable
- Operational at supply voltages from 2.7 V to 5.5 V
- Offered in single, dual, and quad channel variants
- Robust ESD specification: 2-kV HBM
- Extended temperature range: –40°C to 125°C
Applications
- Cordless appliances
- Uninterruptible power supply
- Battery pack, charger, and test equipment
- Power supply modules
- Environmental sensors signal conditioning
- Field transmitter: temperature sensors
- Oscilloscopes, digital multimeters, test equipment
- Rack mount server
- HVAC: heating, ventilating, and air conditioning
- DC motor control
- Low-side current sensing
Q & A
- What is the input offset voltage of the LM324LVIDR?
The input offset voltage of the LM324LVIDR is ±1 mV typically, and up to ±5 mV over the full temperature range. - What is the unity-gain bandwidth of the LM324LVIDR?
The unity-gain bandwidth of the LM324LVIDR is 1 MHz. - What is the common-mode voltage range of the LM324LVIDR?
The common-mode voltage range includes ground and extends up to (V+) – 1 V. - What is the quiescent current per channel of the LM324LVIDR?
The quiescent current per channel is typically 90 µA. - What is the supply voltage range for the LM324LVIDR?
The supply voltage range is from 2.7 V to 5.5 V. - What is the operating temperature range of the LM324LVIDR?
The operating temperature range is from –40°C to 125°C. - Does the LM324LVIDR have ESD protection?
Yes, the LM324LVIDR has a robust ESD specification of 2-kV HBM. - In what packages is the LM324LVIDR available?
The LM324LVIDR is available in packages such as SOIC, TSSOP, and SOT-23. - What are some typical applications of the LM324LVIDR?
Typical applications include cordless appliances, uninterruptible power supplies, battery pack and charger equipment, and environmental sensor signal conditioning. - Is the LM324LVIDR unity-gain stable?
Yes, the LM324LVIDR is unity-gain stable and does not exhibit phase reversal in overdrive conditions.
