Overview
The LM339ADRE4 is a quad differential comparator produced by Texas Instruments. It is part of the LM339 family, known for its wide range of supply voltages and low power consumption. This device is particularly useful in applications requiring multiple comparison functions within a single package. The LM339ADRE4 is suitable for various industrial, automotive, and consumer electronics applications due to its robust specifications and versatility.
Key Specifications
| Parameter | Typical Value | Maximum Value |
|---|---|---|
| Supply Voltage (Single) | 2 V to 36 V | 38 V (for B-version) |
| Supply Voltage (Dual) | ±1 V to ±18 V | ±18 V (tested to ±15 V for Non-V Devices and ±16 V for V-Suffix Devices) |
| Input Bias Current | 25 nA | 250 nA |
| Input Offset Voltage | 2 mV | 5.5 mV (max over temp) |
| Common-Mode Input Voltage Range | 0 to VCC - 1.5 V | 0 to VCC - 2 V |
| Differential Input Voltage Range | Equal to maximum-rated supply voltage: ±36 V | ±38 V (for B-version) |
| Response Time | 1.3 µsec | 1.3 µsec |
| Output Sink Current | - | 25 mA |
| Operating Temperature Range | 0°C to 70°C | -55°C to +125°C (for military-grade devices) |
| Package Type | SOIC (14-pin), PDIP (14-pin), TSSOP (14-pin), SSOP (14-pin) | - |
Key Features
- Wide supply voltage range: Single supply from 2 V to 36 V and dual supplies from ±1 V to ±18 V.
- Low supply-current drain independent of supply voltage: 0.8 mA (typical).
- Low input bias current and low input offset voltage: 25 nA and 2 mV (typical), respectively.
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage.
- Output compatible with TTL, MOS, and CMOS.
- Ability to connect outputs to achieve wired-AND relationships.
Applications
The LM339ADRE4 is versatile and can be used in a variety of applications, including:
- Industrial control systems: For monitoring and controlling various parameters such as temperature, pressure, and voltage levels.
- Automotive systems: In sensors and control circuits for vehicles.
- Consumer electronics: In audio and video equipment, and other electronic devices requiring comparison functions.
- Medical devices: For signal processing and monitoring in medical equipment.
Q & A
- What is the supply voltage range for the LM339ADRE4?
The LM339ADRE4 can operate from a single supply of 2 V to 36 V and from dual supplies of ±1 V to ±18 V. - What is the typical input bias current of the LM339ADRE4?
The typical input bias current is 25 nA. - What is the common-mode input voltage range for the LM339ADRE4?
The common-mode input voltage range includes ground and extends up to VCC - 1.5 V. - Can the outputs of the LM339ADRE4 be connected to achieve wired-AND relationships?
Yes, the outputs can be connected to other open-collector outputs to achieve wired-AND relationships. - What is the operating temperature range for the LM339ADRE4?
The operating temperature range is from 0°C to 70°C, but military-grade versions can operate from -55°C to +125°C. - What are the package types available for the LM339ADRE4?
The LM339ADRE4 is available in SOIC (14-pin), PDIP (14-pin), TSSOP (14-pin), and SSOP (14-pin) packages. - Is the LM339ADRE4 compatible with TTL, MOS, and CMOS outputs?
Yes, the output of the LM339ADRE4 is compatible with TTL, MOS, and CMOS. - What is the typical response time of the LM339ADRE4?
The typical response time is 1.3 µsec. - What is the maximum output sink current for the LM339ADRE4?
The maximum output sink current is 25 mA. - Is the LM339ADRE4 suitable for use in safety-critical applications?
No, it is not recommended for use in safety-critical applications without proper evaluation and testing.
