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MAX931ESA+

Name: MAX931ESA+
Rating: 4.7 (12 reviews)

IC COMPARATOR SGL W/REF 8-SOIC

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製造商。部分 #MAX931ESA+
包 SOIC-8
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規格

Package	Tube
ProductStatus	Obsolete
Type	with Voltage Reference
NumberofElements	1
OutputType	CMOS, TTL
Voltage-SupplySingle/Dual(±)	2.5V ~ 11V, ±1.25V ~ 5.5V
Voltage-InputOffset(Max)	10mV @ 5V
Current-Output(Typ)	0.015mA @ 5V
Current-Quiescent(Max)	4µA
CMRRPSRR(Typ)	80dB CMRR, 80dB PSRR
PropagationDelay(Max)	12µs
Hysteresis	50mV
OperatingTemperature	-40°C ~ 85°C
Package/Case	8-SOIC (0.154, 3.90mm Width)
MountingType	Surface Mount

概述

Description

The MAX931ESA+ is a high-speed, dual comparator designed by Maxim Integrated. It features low propagation delay, making it suitable for applications requiring fast signal processing, such as in communication systems and data acquisition. The device operates from a single supply voltage, typically ranging from 2.7V to 5.5V, ensuring versatility for various electronic circuits.
Key features include a wide input common-mode range, which allows for the comparison of signals that are below the negative supply rail, and a high-speed response time of around 20 ns. The MAX931 is optimized for low power consumption, typically consuming less than 1 mA per comparator, enhancing energy efficiency in portable devices.
Additionally, the device comes in an 8-pin DIP (Dual In-line Package), making it compatible with various PCB designs. With its combination of speed, low power, and broad supply range, the MAX931ESA+ is widely used in applications like voltage level detection, pulse-width modulation, and waveform shaping.

Features

The MAX931ESA+ is a high-speed, dual comparator designed for precision applications. Key features include:
1. Dual Comparator: Contains two independent comparators within a single package.
2. Wide Supply Voltage Range: Operates from a single 2V to 36V supply or dual supplies of ±1V to ±18V.
3. High Speed: Propagation delay of 50 ns with a supply voltage of 5V.
4. Low Input Offset Voltage: Typical offset voltage of 1 mV, ensuring accurate signal comparison.
5. Open-Collector Outputs: Allows for wired-AND configurations and interfacing with different voltage levels.
6. Wide Temperature Range: Rated for operation from -40°C to +125°C.
7. Low Power Consumption: Consumes only 900 µA per comparator, suitable for battery-operated devices.
8. High Noise Immunity: Features a hysteresis option for increased stability in noisy environments.
These features make the MAX931ESA+ ideal for applications in signal processing, voltage level detection, and data acquisition systems.

Package

The MAX931ESA+ is packaged in an 8-PDIP (Plastic Dual In-line Package) format.

Pinout

The MAX931ESA+ is a dual comparator with an open-drain output and features a total of 8 pins. Its primary functions include:
1. Inverting Input (Vin-) - Pin for the inverting input of the comparator.
2. Non-Inverting Input (Vin+) - Pin for the non-inverting input of the comparator.
3. Output (OUT) - Open-drain output pin that indicates the comparison result.
4. V+ - Power supply pin, typically connected to a positive voltage, allowing the device to operate.
5. GND - Ground pin, connected to the system ground.
6. Shutdown (SHDN) - Optional pin for putting the device into a low-power shutdown mode.
7. Compensation (COMP) - Optional pin for external compensation to improve stability.
8. NC (No Connect) - A pin that should not be connected to anything.
The MAX931ESA+ operates over a wide voltage range and is suitable for various applications where fast response time and low power consumption are required.

Manufacturer

The MAX931ESA+ is manufactured by Analog Devices, Inc., a prominent semiconductor company. Founded in 1965, Analog Devices specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). The company primarily serves a variety of industries, including communications, automotive, healthcare, industrial automation, and consumer electronics. Analog Devices is known for its innovative solutions that enable precision measurement and signal processing, catering to both high-tech applications and everyday consumer devices.

Application

The MAX931ESA+ is a high-speed, low-voltage comparator suitable for various applications, including zero-crossing detection, pulse width modulation, and signal conditioning in data acquisition systems. It's also used in Schmitt triggers, level shifting, and timing circuits, providing fast response times and low power consumption in consumer electronics, automotive systems, and industrial automation.

Equivalent

The MAX931ESA+ is a dual high-speed comparator. Equivalent products include the LM393 (standard voltage comparator), TLV3701 (low-power comparator), and LMV comparator series like the LMV7219. Other options might be the MCP6561 or the LTC6752, depending on specific requirements such as speed, power supply, and output type. Always check datasheets for exact specifications and compatibility.