Overview
The LM339DR2, produced by onsemi, is a quad comparator integrated circuit designed for a wide range of applications including level detection, low-level sensing, and memory functions. It is suitable for use in consumer, automotive, and industrial electronic systems. This device operates with either a single or split power supply, making it versatile for various circuit designs.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Power Supply Voltage | VCC | 3.0 to 36 or ±1.5 to ±18 | Vdc |
| Input Differential Voltage Range | VIDR | 36 or 30 | Vdc |
| Input Common Mode Voltage Range | VICMR | 0 to VCC or -1.5 to VCC | Vdc |
| Input Offset Voltage | VIO | ±2.0 to ±5.0 | mVdc |
| Input Bias Current | IIB | 25 to 250 | nA |
| Input Offset Current | IIO | ±5.0 to ±50 | nA |
| Output Saturation Voltage | Vsat | 130 mV @ 4.0 mA | mV |
| Supply Current | ICC | 0.8 to 2.5 | mA |
| Operating Ambient Temperature Range | TA | 0 to +70 | °C |
| Storage Temperature Range | Tstg | -65 to +150 | °C |
Key Features
- Single or split supply operation: 3.0 V to 36 V or ±1.5 V to ±18 V
- Low input bias current: 25 nA (Typ)
- Low input offset current: ±5.0 nA (Typ)
- Low input offset voltage
- Input common mode voltage range to GND
- Low output saturation voltage: 130 mV (Typ) @ 4.0 mA
- TTL and CMOS compatible
- ESD clamps on the inputs increase reliability without affecting device operation
Applications
The LM339DR2 is designed for use in various applications, including:
- Level detection
- Low-level sensing
- Memory applications
- Consumer electronics
- Automotive electronics
- Industrial electronic systems
Q & A
- What is the power supply voltage range for the LM339DR2?
The power supply voltage range is from 3.0 V to 36 V for single supply and ±1.5 V to ±18 V for split supply. - What is the typical input bias current of the LM339DR2?
The typical input bias current is 25 nA. - Is the LM339DR2 compatible with TTL and CMOS logic?
Yes, the LM339DR2 is compatible with TTL and CMOS logic. - What is the output saturation voltage of the LM339DR2?
The output saturation voltage is typically 130 mV at 4.0 mA. - What is the operating ambient temperature range for the LM339DR2?
The operating ambient temperature range is from 0°C to +70°C. - Does the LM339DR2 have ESD protection?
Yes, the LM339DR2 has ESD clamps on the inputs to increase reliability. - What are the typical applications of the LM339DR2?
The typical applications include level detection, low-level sensing, and memory functions in consumer, automotive, and industrial electronics. - What is the storage temperature range for the LM339DR2?
The storage temperature range is from -65°C to +150°C. - What is the input common mode voltage range for the LM339DR2?
The input common mode voltage range is from 0 to VCC or -1.5 to VCC. - How many comparators are included in the LM339DR2?
The LM339DR2 includes four comparators.
