仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Type | Differential |
| Number of Elements | 4 |
| Output Type | CMOS, MOS, Open-Collector, TTL |
| Voltage - Supply, Single/Dual (±) | 2V ~ 30V, ±1V ~ 15V |
| Voltage - Input Offset (Max) | 3mV @ 30V |
| Current - Input Bias(Max) | 0.25µA @ 5V |
| Current - Output (Typ) | 20mA |
| Current - Quiescent (Max) | 2mA |
| Operating Temperature | -25°C ~ 85°C |
| Mounting Type | Surface Mount |
概要
Description
The LM239ADR is a quad comparator integrated circuit designed for use in a wide variety of applications. It is part of the LM239 series, which includes a set of four independent voltage comparators. Each comparator features low power consumption and operates over a wide range of voltages, making it suitable for both dual and single-supply operations.
Key features of the LM239ADR include a wide supply voltage range from 2V to 36V, low input bias current, and low offset voltage. The device is capable of operating in temperatures ranging from -40°C to 85°C, making it suitable for industrial environments. It also offers a fast response time and is immune to oscillations, which enhances performance in precision applications.
The "ADR" suffix refers to the packaging and temperature grade, indicating the device is in a small-outline integrated circuit (SOIC) package with enhanced temperature specifications. Common applications include zero-crossing detectors, signal conditioning, and voltage level shifting. Its versatility and reliability make it a popular choice in analog circuit designs.
Key features of the LM239ADR include a wide supply voltage range from 2V to 36V, low input bias current, and low offset voltage. The device is capable of operating in temperatures ranging from -40°C to 85°C, making it suitable for industrial environments. It also offers a fast response time and is immune to oscillations, which enhances performance in precision applications.
The "ADR" suffix refers to the packaging and temperature grade, indicating the device is in a small-outline integrated circuit (SOIC) package with enhanced temperature specifications. Common applications include zero-crossing detectors, signal conditioning, and voltage level shifting. Its versatility and reliability make it a popular choice in analog circuit designs.
Equivalent
Equivalent products to the LM239ADR chip, a quad comparator, include:
1. LM339N
2. LM2901N
3. TL074
4. MC3302
5. LM139
6. UA339
These comparators are similar in functionality and can typically be used interchangeably in circuits that require a quad comparator. However, always check the specific datasheets for electrical characteristics and pin configurations to ensure compatibility.
1. LM339N
2. LM2901N
3. TL074
4. MC3302
5. LM139
6. UA339
These comparators are similar in functionality and can typically be used interchangeably in circuits that require a quad comparator. However, always check the specific datasheets for electrical characteristics and pin configurations to ensure compatibility.
Features
The LM239ADR is a quad comparator integrated circuit that features low power consumption and high precision. Key features include:
1. Wide Supply Voltage Range: It operates from a single 2V supply up to 36V, or dual supplies ranging from ±1V to ±18V.
2. Low Supply Current: The device has a low supply current of approximately 0.8 mA per comparator, which is independent of the supply voltage.
3. Input Common-Mode Voltage Range: It allows an input common-mode voltage range that includes ground, even in single supply applications.
4. Open Collector Output: The open-collector output can drive loads connected to any voltage within the permissible supply voltage range, allowing for level shifting and interfacing to different logic levels.
5. Wide Temperature Range: It is designed to operate over a wide temperature range, typically from -40°C to +125°C.
6. Low Input Offset Voltage: The device offers low input offset voltage, enhancing its precision in comparison tasks.
These features make the LM239ADR suitable for a variety of applications, including voltage monitoring, oscillator circuits, and peak detection.
1. Wide Supply Voltage Range: It operates from a single 2V supply up to 36V, or dual supplies ranging from ±1V to ±18V.
2. Low Supply Current: The device has a low supply current of approximately 0.8 mA per comparator, which is independent of the supply voltage.
3. Input Common-Mode Voltage Range: It allows an input common-mode voltage range that includes ground, even in single supply applications.
4. Open Collector Output: The open-collector output can drive loads connected to any voltage within the permissible supply voltage range, allowing for level shifting and interfacing to different logic levels.
5. Wide Temperature Range: It is designed to operate over a wide temperature range, typically from -40°C to +125°C.
6. Low Input Offset Voltage: The device offers low input offset voltage, enhancing its precision in comparison tasks.
These features make the LM239ADR suitable for a variety of applications, including voltage monitoring, oscillator circuits, and peak detection.
Pinout
The LM239ADR is a quad comparator IC that contains four independent voltage comparators in a single package. It is commonly used for comparing voltages in various electronic applications.
The LM239ADR is typically available in a 14-pin SOIC (Small Outline Integrated Circuit) package. Here is a concise description of its pin functions:
1. VCC (Pin 3): Positive power supply.
2. GND (Pin 12): Ground.
3. Inputs (Pins 2, 5, 6, 9, 10, 13): Inverting and non-inverting inputs for each of the four comparators. Each comparator has one inverting and one non-inverting input.
4. Outputs (Pins 1, 7, 8, 14): Outputs for the four comparators, which provide the result of the comparison.
Each comparator compares the voltage at its inverting and non-inverting inputs and provides a digital output depending on which input is higher. The LM239ADR is noted for its low power consumption and wide supply voltage range, making it versatile for many applications.
The LM239ADR is typically available in a 14-pin SOIC (Small Outline Integrated Circuit) package. Here is a concise description of its pin functions:
1. VCC (Pin 3): Positive power supply.
2. GND (Pin 12): Ground.
3. Inputs (Pins 2, 5, 6, 9, 10, 13): Inverting and non-inverting inputs for each of the four comparators. Each comparator has one inverting and one non-inverting input.
4. Outputs (Pins 1, 7, 8, 14): Outputs for the four comparators, which provide the result of the comparison.
Each comparator compares the voltage at its inverting and non-inverting inputs and provides a digital output depending on which input is higher. The LM239ADR is noted for its low power consumption and wide supply voltage range, making it versatile for many applications.
Manufacturer
The LM239ADR is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and integrated circuits. It is one of the largest producers of analog technology components and embedded processors. TI's products are used in a wide range of electronic devices, contributing to advancements in technology across industries such as automotive, industrial, consumer electronics, and communications.
Application
The LM239ADR is a quad voltage comparator commonly used in various applications due to its ability to operate with a wide range of power supplies. Key application areas include:
1. Voltage Level Detection: It is used to compare voltages and trigger actions when certain thresholds are crossed.
2. Zero-Crossing Detectors: Useful in AC signal processing.
3. Oscillators: Can be used to create square wave oscillators.
4. Signal Conditioning: Enhances signal quality in analog-to-digital conversion.
5. Pulse Width Modulation: Helps in controlling the width of pulses in PWM circuits.
6. Analog-to-Digital Converters (ADC): Assists in accurate digital conversion by comparing input voltages.
Its low power consumption and wide temperature range make it suitable for industrial, automotive, and consumer electronics applications.
1. Voltage Level Detection: It is used to compare voltages and trigger actions when certain thresholds are crossed.
2. Zero-Crossing Detectors: Useful in AC signal processing.
3. Oscillators: Can be used to create square wave oscillators.
4. Signal Conditioning: Enhances signal quality in analog-to-digital conversion.
5. Pulse Width Modulation: Helps in controlling the width of pulses in PWM circuits.
6. Analog-to-Digital Converters (ADC): Assists in accurate digital conversion by comparing input voltages.
Its low power consumption and wide temperature range make it suitable for industrial, automotive, and consumer electronics applications.
Package
The LM239ADR is a quad comparator integrated circuit available in a SOIC-14 (Small Outline Integrated Circuit) package. This surface-mount package is commonly used for applications where space is limited.
