Low Power Quad Operational Amplifier The LM324J is a quad operational amplifier (op-amp) manufactured by National Semiconductor (国半). Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
1. **Number of Channels:** 4 (Quad)
2. **Supply Voltage Range:**
- Single Supply: 3V to 32V
- Dual Supply: ±1.5V to ±16V
3. **Input Offset Voltage:** 2mV (typical)
4. **Input Bias Current:** 20nA (typical)
5. **Gain Bandwidth Product:** 1MHz (typical)
6. **Slew Rate:** 0.5V/µs (typical)
7. **Operating Temperature Range:** 0°C to +70°C
8. **Package Type:** DIP-14 (Plastic Dual In-Line)
9. **Output Current:** 40mA (per channel)
10. **Common-Mode Rejection Ratio (CMRR):** 70dB (typical)
### **Descriptions:**
- The LM324J is a low-cost, quad operational amplifier designed for general-purpose applications.
- It operates from a single power supply over a wide voltage range.
- Suitable for battery-powered devices, signal conditioning, and transducer amplifiers.
- The device features low power consumption and high gain.
### **Features:**
1. **Low Power Consumption:** Ideal for battery-operated applications.
2. **Wide Supply Voltage Range:** Supports both single and dual power supplies.
3. **Short-Circuit Protection:** Outputs are protected against short circuits.
4. **Low Input Offset Voltage:** Ensures accuracy in signal processing.
5. **High Gain:** Provides stable amplification for DC and AC signals.
6. **Internally Frequency Compensated:** No external compensation required.
This information is based on the manufacturer's datasheet for the LM324J by National Semiconductor (国半).
