Allicdata Part #: | MAX1489EESD+-ND |
Manufacturer Part#: |
MAX1489EESD+ |
Price: | $ 1.52 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC RCVR RS232 QUAD 120KBPS14SOIC |
More Detail: | 0/4 Receiver RS232 14-SOIC |
DataSheet: | MAX1489EESD+ Datasheet/PDF |
Quantity: | 1860 |
1 +: | $ 1.37970 |
10 +: | $ 1.31103 |
25 +: | $ 1.22220 |
50 +: | $ 1.19965 |
Series: | -- |
Packaging: | Tube |
Part Status: | Active |
Type: | Receiver |
Protocol: | RS232 |
Number of Drivers/Receivers: | 0/4 |
Duplex: | -- |
Receiver Hysteresis: | 1.11V |
Data Rate: | 120Kbps |
Voltage - Supply: | 4.5 V ~ 5.5 V |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 14-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 14-SOIC |
Base Part Number: | MAX1489 |
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In the realm of the semiconductor industry, the MAX1489EESD is an important high-speed differential line transceiver. It is part of the MAX family of advanced signal-processing ICs and is marketed by Maxim Integrated. The device has many applications in communications and data processing systems as well as in computer networking.
The MAX1489EESD belongs to the interface grouping, specifically to the drivers, receivers, and transceivers subset. Its main function is to provide a serial data rate between 100Mb/s to 4.25Gb/s depending on the link type―Gigabit Ethernet, High-Speed Fiber Channel, and Serial ATA I/O for instance. The device is also suitable for lower-speed applications as it is capable of working from 1.5V to 3.3V and provide four bus pins that can reduce power consumption. As a conventional serializer-deserializer (SerDes), the device can help engineers develop more reliable and cost-effective systems for consumer, industrial, and medical applications.
The data rate of the MAX1489EESD is determined by the transmitter (TX) and receiver (RX) circuit’s input and output frequency. TX is the first stage of the device and provides low frequency data rate signals. The differential pair of outputs (TXOUTn and TXOUTp) are connected to the data source. The RX circuit includes three stages. First stage is called Clock and Data Recovery (CDR) and recovers the clock and data signals from the incoming bit stream. Next two stages are called Transmitter Equalizer (TEQ) and De-Emphasis Equalizer (DEE) and form the Adaptive Equalization System (AES). AES is used for equalization of the transmitted signal, separation of data and clock, and noise rejection. Finally, the RX output signals (RXOUTn and RXOUTp) are connected to the data sink.
At the heart of the device is Firmashield ™, a proprietary patent-pending feature of Maxim Integrated. Firmashield provides high-speed operation in a very low-power consumption and is highly resistant to distortion and jitter components in the received signal. The core differential RX architecture also ensures a wide dynamic range with a high signal-to-noise ratio for all input signals, thus allowing for low-power error-free performance, even in the presence of power supply variation. Furthermore, the transceiver operates from a single positive supply, which is a great advantage for battery-powered applications. Last, but not least, an internal voltage regulator allows independent control of the voltage level and enables the device to handle the supply voltage range from 14V to 26V.
For improved reliability, the MAX1489EESD features a Thermal Sensor Reset (TSR) circuit and an Internal Voltage Regulator (IVR). The TSR monitors two internal junction temperature sensors, and in case of fault, it generates a reset signal until the temperature falls to a safe level. The IVR monitors the 3.3V voltage level of the device and generates a reset if the voltage exceeds a certain threshold. With these two features combined, the device is able to provide reliable operation in conditions of extreme temperature, voltage, and power supply variations.
In conclusion, the MAX1489EESD is an important high-speed differential line transceiver. It belongs to the interface grouping, specifically to the drivers, receivers, and transceivers subset. Its applications include serial data rate between 100Mb/s to 4.25Gb/s depending on the link type, a single positive supply voltage, and features such as Thermal Sensor Reset (TSR) circuit and Internal Voltage Regulator (IVR) for improved reliability. The device can be useful for many types of applications such as industrial, medical, and consumer.
The specific data is subject to PDF, and the above content is for reference
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