Overview
The LM339ADE4, produced by Texas Instruments, is a quad differential comparator integrated circuit. It is part of the next-generation B-version comparators, which offer improved specifications over their predecessors. This device is designed to operate from a single power supply over a wide range of voltages and is compatible with various logic families such as TTL, MOS, and CMOS. The LM339ADE4 is a drop-in replacement for earlier versions like the LM239, LM339, and LM2901, making it a versatile choice for a variety of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (Single) | 2 to 36 | V |
| Supply Voltage (Dual) | ±1 to ±18 | V |
| Differential Input Voltage | ±38 | V |
| Input Offset Voltage (Max) | 3 | mV |
| Input Bias Current (Max) | 0.25 | µA |
| Quiescent Supply Current (Max) | 2.5 | mA |
| Propagation Delay (Typ) | 1 | µsec |
| Output Type | CMOS, MOS, Open-Collector, TTL | |
| Operating Temperature Range | 0 to 70 | °C |
| Package Type | 14-SOIC |
Key Features
- Improved specifications of B-version, including lower offset voltage, higher supply voltage capability, lower supply current, and lower input bias current
- Maximum rating up to 38 V and ESD rating (HBM) of 2 kV
- Low input offset voltage of 0.37 mV and low input bias current of 3.5 nA
- Low supply current of 200 µA per comparator and faster response time of 1 µsec
- Common-mode input voltage range includes ground, and differential input voltage range equal to maximum-rated supply voltage
- Output compatible with TTL, MOS, and CMOS logic families
- Drop-in replacement for LM239, LM339, and LM2901, for both 'A' and 'V' grades
Applications
- Vacuum robots
- Single-phase UPS systems
- 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 maximum supply voltage for the LM339ADE4? The maximum supply voltage for the LM339ADE4 is up to 36 V for single supply and ±18 V for dual supply.
- What is the typical propagation delay of the LM339ADE4? The typical propagation delay is 1 µsec.
- What are the output types compatible with the LM339ADE4? The output types are CMOS, MOS, Open-Collector, and TTL.
- What is the operating temperature range for the LM339ADE4? The operating temperature range is from 0°C to 70°C.
- Can the LM339ADE4 replace earlier versions of comparators? Yes, the LM339ADE4 can drop-in replace the LM239, LM339, and LM2901, for both 'A' and 'V' grades.
- What is the ESD rating (HBM) for the LM339ADE4? The ESD rating (HBM) is 2 kV.
- What is the typical input bias current for the LM339ADE4? The typical input bias current is 3.5 nA.
- What are some common applications of the LM339ADE4? Common applications include vacuum robots, single-phase UPS systems, server power supplies, and more.
- What package types are available for the LM339ADE4? The LM339ADE4 is available in a 14-SOIC package.
- Is the LM339ADE4 RoHS compliant? Yes, the LM339ADE4 is RoHS compliant.
