AM26LS31CDBRE4

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Driver
Protocol:	RS422, RS485
Number of Drivers/Receivers:	4/0
Duplex:	--
Data Rate:	--
Voltage - Supply:	4.75 V ~ 5.25 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	16-SSOP (0.209", 5.30mm Width)
Supplier Device Package:	16-SSOP
Base Part Number:	AM26LS31

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AM26LS31CDBRE4 Application Field and Working Principle

The AM26LS31CDBRE4 is a quadruple line receiver that is part of a series of the family of line receivers. It is noted for its high-speed performance and low power consumption. It is designed to handle data rates up to 20 Mbaud from TTL to ECL levels, making it suitable for a variety of data communications embedded applications, including data highway systems and controller area network (CAN).

The AM26LS31CDBRE4 is a CMOS compatible interface that provides four balanced and four unbuffered differential inputs and output drivers. It operates from a wide supply voltage range from 0 to 8.5V and is capable of data input/output speeds up to 20 MHz. The receiver includes two comparators each for the four differential inputs to provide excellent noise rejection and improved signal integrity. It is provided in the plastic DIP and SOIC packages.

The main feature of the AM26LS31CDBRE4 is that it is highly flexible and provides various options to customize the device in several ways. It features 4 quad balanced inputs and 4 double-buffered differential outputs. Inputs can be configured to accept either positive/negative or open-collector/negative logic levels. Additionally, the outputs can be configured as positive/negative or open-collector/negative. Output drivers can be enabled/disabled to reduce power consumption if the I/O interface is idle.

The AM26LS31CDBRE4 requires a very low current for switching between logic levels and is capable of accepting and driving logic levels at high speed. It also reduces the need for external pull-up/pull-down components, which can result in a significant cost saving. When in use, the device is termed “Quad-PLC-LVDS” for its version of four channels of low voltage differential signaling (LVDS) compatible with Programmable Logic Controllers (PLCs).

The device is ideal for applications requiring Line Drivers and/or Line Receivers. It is also well suited for use in complex and high-speed I/O systems where the constraints of noise, power and system speed are paramount. It is designed to support a variety of speed ranges, down to and including lower data rates, and is capable of running off low-power DC supplies or 24 VDC or AC motors.

The main application fields of the AM26LS31CDBRE4 are Data Highway, Cables & Harness, Network Switches, Optical Networks, Ethernet and Controller Area Networks (CAN). It is also suitable for use in communications, industrial automation, transportation and security systems. This device is often used in buildings, depending on the particular application. It works in a temperature range from -55°C to +125°C, and can operate in temperatures up to 150°C for short periods of time.

The AM26LS31CDBRE4 is based on a differential receiver/driver topology, with each of the four differential input channels being paired with a double-buffered driver. This design combines a high-performance receiver, low-speed input buffer, and high-speed output driver into a single chip. The differential receiver is designed to reject both power supply and common-mode noise, allowing the device to operate in a noisy environment. The output driver is designed to provide a 1.8V differential signal over an adjustable range of impedances, allowing crosstalk and EMI concerns to be addressed.

In summary, the AM26LS31CDBRE4 is a CMOS compatible quadruple line receiver which is well-suited for use in data communications applications which require both a high-speed interface and a low power environment. It is designed to handle speeds up to 20Mbaud from TTL to ECL levels, allowing it to be used in a variety of applications such as data highways, network switches and CAN. It features four balanced inputs and four double-buffered differential outputs, as well as adjustable output impedance and receiver noise rejection. It is suitable for use in temperatures ranging from -55°C to +125°C and is capable of operating in temperatures up to 150°C for short periods of time.

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