ADM3493ARZ-REEL7
Description
Technical Parameters
The ADM3493ARZ-REEL7 RS-485 transceiver stands out as a reliable and versatile solution for industrial communication systems. Operating on a 3.3 V supply and interoperable with 5 V logic, it adheres to EIA RS-422 and RS-485 standards over a wide common-mode range. With a data rate of 250 kbps and half-duplex functionality, it supports bidirectional communication with reduced slew rates for minimal EMI. Its low 2 nA supply current in shutdown mode enhances power efficiency, while the ability to accommodate up to 256 transceivers on a bus caters to large-scale networks. The transceiver's robust design includes a -7 V to +12 V bus common-mode range and a specified temperature range of -40°C to +85°C, ensuring reliable performance in diverse industrial environments. Its 8 ns skew and 8-lead SOIC package further contribute to precise timing and easy integration, making it a compelling choice for applications requiring data integrity and accuracy.
Related Products:
|
Mfr Part |
ADM3493ARZ |
ADM3493ARZ-REEL7 |
|
Description |
IC TRANSCEIVER RS485_422 |
IC TRANSCEIVER RS485_422 |
|
Stock |
40000 |
40000 |
|
Product Status |
Active |
Active |
|
Type |
Transceiver |
Transceiver |
|
Protocol |
RS422, RS485 |
RS422, RS485 |
|
Number of Drivers/Receivers |
1/1. |
1/1. |
|
Duplex |
Half |
Half |
|
Receiver Hysteresis |
50 mV |
50 mV |
|
Data Rate |
250kbps |
250kbps |
|
Voltage - Supply |
3V ~ 3.6V |
3V ~ 3.6V |
|
Operating Temperature |
-40°C ~ 85°C |
-40°C ~ 85°C |
|
Package / Case |
SOP8(3.9x1.27) |
SOP8(3.9x1.27) |
|
Package |
Tape & Reel (TR) |
Tape & Reel (TR) |
APPLICATIONS:
·Low power RS-485 applications
·EMI sensitive systems
·DTE-DCE interfaces
·Industrial control
·Packet switching
·Local area networks
·Level translators
GENERAL DESCRIPTION:
The ADM3493 is a low power, differential line transceiver designed to operate using a single 3.3 V power supply. Low power consumption, coupled with a shutdown mode, makes it ideal for power-sensitive applications. The ADM3493 is suitable for communication on multipoint bus transmission lines.
The device contains one driver and one receiver. Designed for half-duplex communication, the ADM3493 features a slew rate limited driver that minimizes EMI and reduces reflections caused by improperly terminated cables, allowing error-free data transmission at data rates up to 250 kbps.
The receiver input impedance is 96 kΩ, allowing up to 256 transceivers to be connected on the bus. A thermal shutdown circuit prevents excessive power dissipation caused by bus contention or by output shorting. If a significant temperature increase is detected in the internal driver circuitry during fault conditions then the thermal shutdown circuit forces the driver output into a high impedance state. The receiver contains a failsafe feature that results in a logic high output state, if the inputs are unconnected (floating).
The ADM3493 is fully specified over the commercial and industrial temperature ranges and is available in an 8-lead SOIC.
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