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Спецификации
| Атрибут | Ценность |
| Package | Tube,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) | 50mA |
| Current-Quiescent(Max) | 5µA |
| 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 |
Обзор
Description
The MAX921ESA is a high-speed, low-power video multiplexer and crosspoint switch, designed for applications requiring multiple video signals to be routed to different outputs efficiently. It typically comes in an 8-pin SOIC package and is known for its ease of integration in video systems. The device operates with a single +5V power supply and handles signals in the range of 0V to 4V, making it compatible with standard video logic levels.
Key features include a wide bandwidth, allowing it to manage high-frequency video signals without significant loss or distortion. It also offers low crosstalk and high isolation between channels, ensuring minimal interference when switching between video sources. The MAX921ESA is often employed in video surveillance systems, broadcast equipment, and other multimedia applications that require reliable and robust switching capabilities. Its low power consumption further enhances its suitability for portable and battery-operated devices. Overall, the MAX921ESA provides a practical solution for complex video routing challenges in both consumer and professional video applications.
Key features include a wide bandwidth, allowing it to manage high-frequency video signals without significant loss or distortion. It also offers low crosstalk and high isolation between channels, ensuring minimal interference when switching between video sources. The MAX921ESA is often employed in video surveillance systems, broadcast equipment, and other multimedia applications that require reliable and robust switching capabilities. Its low power consumption further enhances its suitability for portable and battery-operated devices. Overall, the MAX921ESA provides a practical solution for complex video routing challenges in both consumer and professional video applications.
Equivalent
The MAX921ESA is an RS-232 transceiver IC. Equivalent products include:
1. MAX202CSE or MAX202ESE
2. SP232EEN from Sipex/Exar
3. ADM202EARNZ from Analog Devices
4. ST232CN from STMicroelectronics
5. ICL232CPE from Intersil
These alternatives offer similar functionality with dual RS-232 drivers and receivers and are used in interfaces requiring RS-232 communication. Always verify specifications to ensure compatibility with your application.
1. MAX202CSE or MAX202ESE
2. SP232EEN from Sipex/Exar
3. ADM202EARNZ from Analog Devices
4. ST232CN from STMicroelectronics
5. ICL232CPE from Intersil
These alternatives offer similar functionality with dual RS-232 drivers and receivers and are used in interfaces requiring RS-232 communication. Always verify specifications to ensure compatibility with your application.
Features
The MAX921ESA is a precision analog switch manufactured by Maxim Integrated. It is designed for low-voltage and low-leakage applications. Key features include:
1. Single-Pole, Single-Throw (SPST) Configuration: The MAX921ESA provides a basic on/off switch functionality.
2. Low On-Resistance: The device offers very low on-resistance, which is typically around 35 ohms, minimizing signal distortion.
3. Wide Supply Voltage Range: It operates over a wide supply voltage range, typically from 1.8V to 5.5V.
4. Low Leakage Current: The switch exhibits low leakage current, usually in the picoampere range, which is crucial for precision applications.
5. Fast Switching Times: It has fast turn-on and turn-off times, typically around 50 nanoseconds.
6. Compact Package: Available in an 8-pin SOIC package, making it suitable for space-constrained applications.
7. TTL/CMOS Compatible: The control logic is compatible with TTL and CMOS logic levels, enhancing its versatility.
Overall, the MAX921ESA is ideal for applications that require precision switching with minimal power loss and signal distortion.
1. Single-Pole, Single-Throw (SPST) Configuration: The MAX921ESA provides a basic on/off switch functionality.
2. Low On-Resistance: The device offers very low on-resistance, which is typically around 35 ohms, minimizing signal distortion.
3. Wide Supply Voltage Range: It operates over a wide supply voltage range, typically from 1.8V to 5.5V.
4. Low Leakage Current: The switch exhibits low leakage current, usually in the picoampere range, which is crucial for precision applications.
5. Fast Switching Times: It has fast turn-on and turn-off times, typically around 50 nanoseconds.
6. Compact Package: Available in an 8-pin SOIC package, making it suitable for space-constrained applications.
7. TTL/CMOS Compatible: The control logic is compatible with TTL and CMOS logic levels, enhancing its versatility.
Overall, the MAX921ESA is ideal for applications that require precision switching with minimal power loss and signal distortion.
Pinout
The MAX921ESA is an 8-pin SOIC (Small Outline Integrated Circuit) device manufactured by Maxim Integrated. It is a single transmitter that converts 10-bit-wide parallel data into a serial low-voltage differential signaling (LVDS) data stream. The primary function of the MAX921ESA is to transmit data over a single twisted pair or differential line, reducing the number of wires required for data transmission.
Here's a brief overview of the pin functions:
1. DIN0–DIN9: Parallel data input pins (10 bits).
2. PCLK: Parallel clock input. It latches the DIN0–DIN9 on the rising edge.
3. VCC: Power supply pin.
4. GND: Ground pin.
5. DOUT+: Positive LVDS data output.
6. DOUT-: Negative LVDS data output.
This configuration makes the MAX921ESA suitable for high-speed data transmission applications where reducing cable size and complexity is essential.
Here's a brief overview of the pin functions:
1. DIN0–DIN9: Parallel data input pins (10 bits).
2. PCLK: Parallel clock input. It latches the DIN0–DIN9 on the rising edge.
3. VCC: Power supply pin.
4. GND: Ground pin.
5. DOUT+: Positive LVDS data output.
6. DOUT-: Negative LVDS data output.
This configuration makes the MAX921ESA suitable for high-speed data transmission applications where reducing cable size and complexity is essential.
Manufacturer
The MAX921ESA is manufactured by Maxim Integrated, which is a company known for designing and producing analog and mixed-signal integrated circuits. Maxim Integrated provides a wide range of semiconductor products, including power management ICs, sensors, and interface products, catering to various industries such as automotive, consumer electronics, communications, and industrial applications. In 2021, Maxim Integrated was acquired by Analog Devices, Inc. (ADI), another prominent company in the semiconductor industry. ADI specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) technologies. The acquisition strengthened ADI's position in the semiconductor market by expanding its product offerings and enhancing its ability to serve a broader range of applications and markets.
Application
The MAX921ESA is a high-speed differential line driver designed for various applications requiring reliable data transmission. Key application areas include:
1. Data Communication Systems: Used in transmitting high-speed data over long distances with minimal signal degradation.
2. Video Systems: Suitable for video signal transmission, ensuring high-quality video output.
3. Automotive Applications: Employed in in-vehicle communication networks for infotainment and telematics systems.
4. Industrial Control Systems: Facilitates robust communication between industrial devices and systems.
5. Consumer Electronics: Integrated into devices requiring efficient and reliable data transfer.
These applications leverage the MAX921ESA's ability to provide low power consumption and high data rates.
1. Data Communication Systems: Used in transmitting high-speed data over long distances with minimal signal degradation.
2. Video Systems: Suitable for video signal transmission, ensuring high-quality video output.
3. Automotive Applications: Employed in in-vehicle communication networks for infotainment and telematics systems.
4. Industrial Control Systems: Facilitates robust communication between industrial devices and systems.
5. Consumer Electronics: Integrated into devices requiring efficient and reliable data transfer.
These applications leverage the MAX921ESA's ability to provide low power consumption and high data rates.
Package
The MAX921ESA is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package is commonly used for its compact size and ease of mounting on printed circuit boards.
