Overview
The LM324DE4 is a quadruple operational amplifier produced by Texas Instruments. It is part of the next-generation LM324B and LM2902B series, which are drop-in replacements for all versions of the LM224, LM324, and LM2902 devices. These operational amplifiers are known for their high performance and versatility, making them suitable for a wide range of applications. The LM324DE4 features improved specifications over its predecessors, including a wider supply range, low input offset voltage, and high ESD ratings, making it ideal for cost-sensitive and environmentally challenging applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Series | LM324 |
| Part Number | LM324DE4 |
| Package Type | SOIC (D) |
| Pins | 14 |
| Operating Temperature Range (°C) | 0 to 70 |
| Supply Range (V) | 3 to 36 |
| Input Offset Voltage (Max @ 25°C) | ±3 mV (B version), ±2 mV (BA version) |
| ESD Rating | 2 kV (HBM), 1.5 kV (CDM) |
| Input Bias Current (Max) | 50 nA |
| Quiescent Current per Channel (Typ) | 0.175 mA |
| Common-Mode Rejection Ratio (Typ) | 80 dB |
| Gain-Bandwidth Product (Typ) | 1.2 MHz |
| Slew Rate (Typ) | 0.5 V/μs |
| Output Current (Typ) | 40 mA |
Key Features
- Next-generation LM324B and LM2902B devices with improved specifications.
- Drop-in replacements for all versions of LM224, LM324, and LM2902.
- Wide supply range: 3V to 36V (B, BA versions).
- Low input offset voltage: ±2mV (BA version) / 3mV (B version).
- High ESD ratings: 2kV (HBM), 1.5kV (CDM).
- Integrated RF and EMI filter for improved noise rejection.
- Low input bias current: 50nA maximum across –40°C to 125°C.
- Common-mode input voltage range includes V–.
- Input voltage differential can be driven up to supply voltage.
Applications
- Merchant network and server power supply units.
- Multi-function printers.
- Power supplies and mobile chargers.
- Desktop PC and motherboard.
- Indoor and outdoor air conditioners.
- Washers, dryers, and refrigerators.
Q & A
- What is the operating temperature range of the LM324DE4?
The operating temperature range of the LM324DE4 is 0°C to 70°C.
- What is the supply voltage range for the LM324DE4?
The supply voltage range for the LM324DE4 is 3V to 36V.
- What is the typical gain-bandwidth product of the LM324DE4?
The typical gain-bandwidth product of the LM324DE4 is 1.2 MHz.
- What is the maximum input offset voltage for the LM324DE4?
The maximum input offset voltage for the LM324DE4 is ±3 mV (B version) and ±2 mV (BA version).
- What is the ESD rating of the LM324DE4?
The ESD rating of the LM324DE4 is 2 kV (HBM) and 1.5 kV (CDM).
- Can the LM324DE4 be used as a drop-in replacement for other LM324 versions?
Yes, the LM324DE4 can be used as a drop-in replacement for all versions of the LM224, LM324, and LM2902 devices.
- What is the typical quiescent current per channel for the LM324DE4?
The typical quiescent current per channel for the LM324DE4 is 0.175 mA.
- What is the common-mode rejection ratio (CMRR) of the LM324DE4?
The typical CMRR of the LM324DE4 is 80 dB.
- What is the slew rate of the LM324DE4?
The slew rate of the LM324DE4 is 0.5 V/μs.
- What are some common applications of the LM324DE4?
The LM324DE4 is commonly used in merchant network and server power supply units, multi-function printers, power supplies, mobile chargers, desktop PCs, motherboards, and various household appliances.
