
Allicdata Part #: | MAX3485ECSA+-ND |
Manufacturer Part#: |
MAX3485ECSA+ |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC TXRX RS485/422 10MBPS 8SOIC |
More Detail: | 1/1 Transceiver Half RS422, RS485 8-SOIC |
DataSheet: | ![]() |
Quantity: | 1496 |
Series: | -- |
Packaging: | Tube |
Part Status: | Active |
Type: | Transceiver |
Protocol: | RS422, RS485 |
Number of Drivers/Receivers: | 1/1 |
Duplex: | Half |
Receiver Hysteresis: | 50mV |
Data Rate: | 10Mbps |
Voltage - Supply: | 3 V ~ 3.6 V |
Operating Temperature: | 0°C ~ 70°C |
Mounting Type: | Surface Mount |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 8-SOIC |
Base Part Number: | MAX3485 |
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The MAX3485ECSA+ is an interface driver, receiver and transceiver analog front end that performs galvanic isolation, signal level shifting and ESD protection for RS-485 communication applications. The device is based on the industry-standard Maxim integrated circuit and offers a range of features to ensure reliable data transmission, such as ESD protection, data rates up to 250kbps, and a robust transmission line interface. The device operates on a single +3.3V or +5V supply, with both logic and analog components consuming less than 740mW total. It also offers a range of operating conditions (temperature range, voltage range etc) and protection features (e.g. ESD protection). The onboard receiver hysteresis and signal receive function guarantee a robust, noise free data transmission. It is a good choice for reliable signal level shifting and ESD protection, as well as excellent signal integrity.
The MAX3485ECSA+ provides two pieces of critical functionality for RS-485 applications; signal isolation and signal level shifting. The first of these, signal isolation, is particularly important when working with both sensitive and hazardous applications. It assures that even if the communication is interrupted due to ground level shifts, electrical noise or other factors, the line will remain intact and prevent false alarms. This also eliminates the need for a separate line isolator, which can be costly. By shielding the line from physical contact and electrical noise, ground loops and other accidental data input are eliminated. It also provides a line insulation barrier that prevents short circuits or power surges which may degrade the transmission.
The second piece of critical functionality that a MAX3485ECSA+ provides is signal level shifting. This is important in applications which require the data lines to be shifted up or down in order to interface between different protocols and devices.For instance, if a device connected to the system operates on a +3.3V logic level, shifting the signal up to +5V would be necessary for proper operation.With the MAX3485ECSA+, level shifting is accomplished using built-in voltage regulators and comparators, operating from the same +3.3V supply, to ensure that the incoming signal is properly shifted to the necessary +3.3V to +5V voltage level.The MAX3485ECSA+ also offers protection against ESD and other objects that may cause transient spikes in the line, ensuring the safety of the data transmission. With its robust transmission line interface, the MAX3485ECSA+ is an excellent choice for reliable signal level shifting and ESD protection, as well as excellent signal integrity.
The MAX3485ECSA+ also offers a variety of features and operating parameters that make it suitable for a wide range of applications. It can operate up to 250kbps data rate and support up to 128 nodes. It is available in both – 3.3V and -5V versions, allowing it to be used in a wide range of applications. The onboard receivers store four voltage thresholds, allowing for up to four unique configurations for different operating protocols. It also offers temperature range of -40°C to +85°C, making it suitable for both indoor and outdoor use. Other features include, an onboard regulator that eliminates the need for an external power supply, and an on-chip ESD protection circuit that offers up to 8kV of protection.
In conclusion, the MAX3485ECSA+ is an interface driver, receiver and transceiver analog front end that offers a number of features to ensure reliable RS-485 data transmission. It provides both signal isolation and level shifting to allow for data transmission between different systems. It also offers many different operating parameters and protection features such as ESD protection, temperature range and voltage range, for easy adaptation for a variety of applications. The onboard receiver stores four voltage thresholds and provides excellent signal integrity.
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