Overview
The LM239DR2G is a quad comparator integrated circuit produced by onsemi. It is part of the LM239 series, which is designed for use in various electronic applications requiring level detection, low-level sensing, and memory functions. This device operates on a single supply voltage ranging from 3.0 V to 36 V or split supply voltages from ±1.5 V to ±18 V, making it versatile for different system requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Supply Voltage | 3.0 to 36 or ±1.5 to ±18 | Vdc |
| Input Differential Voltage Range | 36 | Vdc |
| Input Common Mode Voltage Range | 0 to VCC - 1.5 | Vdc |
| Input Bias Current | 25 nA (Typ) | nA |
| Input Offset Current | ±5.0 nA (Typ) | nA |
| Output Short Circuit to Ground | Continuous | |
| Continuous Power Dissipation @ TA = 25°C | 1.0 W | W |
| Junction Temperature | 150 °C | °C |
| Operating Ambient Temperature Range | -25 to +85 °C | °C |
| Storage Temperature Range | -65 to +150 °C | °C |
Key Features
- Single supply operation: 3.0 V to 36 V and split supply operation: ±1.5 V to ±18 V.
- Low input bias current: 25 nA (Typ) and low input offset current: ±5.0 nA (Typ).
- 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 LM239DR2G is suitable for various applications including:
- Level detection and low-level sensing.
- Memory applications.
- Consumer, automotive, and industrial electronic systems.
Q & A
- What is the operating voltage range of the LM239DR2G?
The LM239DR2G operates on a single supply voltage from 3.0 V to 36 V or split supply voltages from ±1.5 V to ±18 V.
- What is the input bias current of the LM239DR2G?
The input bias current is 25 nA (Typ).
- What is the output saturation voltage of the LM239DR2G?
The output saturation voltage is 130 mV (Typ) @ 4.0 mA.
- Is the LM239DR2G compatible with TTL and CMOS logic?
- What are the typical applications of the LM239DR2G?
The LM239DR2G is used in level detection, low-level sensing, memory applications, and various consumer, automotive, and industrial electronic systems.
- What is the junction temperature of the LM239DR2G?
The junction temperature is 150 °C.
- What is the storage temperature range of the LM239DR2G?
The storage temperature range is -65 to +150 °C.
- Does the LM239DR2G have ESD protection?
- What is the package type of the LM239DR2G?
The LM239DR2G is available in a SOIC-14 package.
- What is the operating ambient temperature range of the LM239DR2G?
The operating ambient temperature range is -25 to +85 °C.
