Overview
The LM339ADG4 is a quad differential comparator produced by Texas Instruments. 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 suitable for various applications in consumer, automotive, and industrial electronics.
The LM339ADG4 features four independent voltage comparators, making it versatile for level detection, low-level sensing, and memory applications. It is a drop-in replacement for the LM239, LM339, and LM2901 A and V versions, enhancing performance with lower offset voltage, higher supply voltage capability, and improved ESD performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 14 | - |
| Operating Temperature Range | 0 to 70 | °C |
| Maximum Rated Supply Voltage | ±36 V | Vdc |
| Single Supply Operation | 3.0 V to 36 V | Vdc |
| Split Supply Operation | ±1.5 V to ±18 V | Vdc |
| Low Input Bias Current | 25 nA (Typ) | nA |
| Low Input Offset Voltage | 0.37 mV (Typ) | mV |
| Low Supply Current | 200 µA per comparator | µA |
| Response Time | 1 µsec (Typ) | µsec |
| ESD Rating (HBM) | 2 kV | V |
| Output Saturation Voltage | 130 mV @ 4.0 mA (Typ) | mV |
| Output Compatibility | TTL, MOS, and CMOS | - |
Key Features
- Improved specifications of B-version comparators, including lower offset voltage and higher supply voltage capability.
- Low input bias current of 25 nA (Typ) and low input offset voltage of 0.37 mV (Typ).
- Low supply current of 200 µA per comparator.
- Faster response time of 1 µsec.
- Improved 2 kV ESD performance and input ruggedness through dedicated ESD clamps.
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage: ±38 V.
- Low output saturation voltage compatible with TTL, MOS, and CMOS.
- Drop-in replacement for LM239, LM339, and LM2901 A and V versions.
Applications
The LM339ADG4 is designed for use in various applications, including:
- Level detection and low-level sensing.
- Memory applications.
- Consumer electronics.
- Automotive electronics, including HEV/EV and power trains.
- Industrial electronic applications.
Q & A
- What is the maximum rated supply voltage for the LM339ADG4?
The maximum rated supply voltage is ±36 V for single supply operation and ±18 V for split supply operation.
- What is the typical input bias current of the LM339ADG4?
The typical input bias current is 25 nA.
- What is the response time of the LM339ADG4?
The response time is typically 1 µsec.
- Is the LM339ADG4 compatible with TTL, MOS, and CMOS outputs?
- What is the ESD rating of the LM339ADG4?
The ESD rating is 2 kV (HBM)).
- Can the LM339ADG4 be used as a drop-in replacement for other comparator models?
- What is the operating temperature range of the LM339ADG4?
- What is the typical output saturation voltage of the LM339ADG4?
- What are the common applications of the LM339ADG4?
- What is the package type of the LM339ADG4?
