Overview
The LM339ADRG4, produced by Texas Instruments, is a quad differential comparator integrated circuit. It belongs to the LM339 family, which is an industry-standard for voltage comparators. This device is designed to operate from a single power supply over a wide range of voltages, making it versatile for various applications. The LM339ADRG4 is an improved version, denoted by the 'A' and 'DRG4' suffixes, indicating enhanced specifications and packaging. The 'A' version typically signifies better performance characteristics, such as lower input offset voltage and lower input bias current, compared to the standard version. The 'DRG4' suffix indicates that the device is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2 to 30 | V |
| Total Supply Current (5V to 30V max) | 1 to 2.5 | mA |
| Temperature Range | 0 to 70 | °C |
| ESD (HBM) | 1000 | V |
| Offset Voltage (Max over temp) | ± 9 | mV |
| Input Bias Current (typ / max) | 25 / 250 | nA |
| Response Time (typ) | 1.3 | µsec |
| Differential Input Voltage Range | ±30 V | V |
| Output Saturation Voltage | Low | - |
| Output Compatibility | TTL, MOS, CMOS | - |
Key Features
- Wide supply voltage range: 2 V to 30 V for single supply and ±1 V to ±15 V for dual supplies.
- Low supply-current drain independent of supply voltage: 1 to 2.5 mA.
- Low input bias current: 25 nA (typical).
- Low input offset voltage: 2 mV (typical).
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage: ±30 V.
- Output compatible with TTL, MOS, and CMOS.
- Faster response time of 1.3 µsec (typical).
- Improved ESD performance: 1000 V (HBM).
Applications
- Vacuum robots
- Single-phase UPS (Uninterruptible Power Supplies)
- Server power supplies
- Cordless power tools
- Wireless infrastructure
- Appliances
- Building automation
- Factory automation and control
- Motor drives
- Infotainment and cluster systems
Q & A
- What is the supply voltage range for the LM339ADRG4? The supply voltage range is 2 V to 30 V for single supply and ±1 V to ±15 V for dual supplies.
- What is the typical supply current for the LM339ADRG4? The typical supply current is 1 to 2.5 mA.
- What is the temperature range for the LM339ADRG4? The temperature range is 0°C to 70°C.
- What is the ESD rating for the LM339ADRG4? The ESD rating is 1000 V (HBM)).
- What is the input bias current for the LM339ADRG4? The input bias current is 25 nA (typical)).
- What is the response time for the LM339ADRG4? The response time is 1.3 µsec (typical)).
- Is the output compatible with other logic families? Yes, the output is compatible with TTL, MOS, and CMOS).
- What is the differential input voltage range for the LM339ADRG4? The differential input voltage range is equal to the maximum-rated supply voltage: ±30 V).
- Can the LM339ADRG4 be used in high-temperature environments? No, it is characterized for operation from 0°C to 70°C).
- What are some common applications of the LM339ADRG4? Common applications include vacuum robots, single-phase UPS, server power supplies, cordless power tools, and more).
