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GXA3485
1 Basic Performance
• Supports 2.7V-5V power supply
•Ensure a data rate of 12Mbps
•Low power shutdown mode
• Common mode input voltage range from -7V to+12V
•Half duplex, allowing up to 256 transceivers to be connected to the bus
•Driver short-circuit overcurrent protection
•RS-485 I/O pin ESD protection level ± 15kV HBM
• Package information:
| PART NUMBER | PACKAGE | BODY SIZE (mm²) | 
| GXA3485D | DFN-8 | 3.00 × 3.00 | 
| GXA3485Z | SOP-8 | 3.90 × 4.90 | 
2 Application 
•Industrial control
• Communication field
• Local Area Network
• Transceiver for electromagnetic interference sensitive applications
• Encoder interface
 3. Description
GXA3485 is a low-power transceiver used for ± 15kV electrostatic discharge (ESD) protection of RS-485 and RS-422, supporting a voltage range of 2.7V-5V. Each device includes a driver and a receiver. The transmission speed can reach up to 12Mbps. The driver has a short-circuit current limiting function. The receiver input has a fail safe function. If both inputs of the receiver are open, the output is guaranteed to be at a logic high level.  
GXA3485 supports SOP-8, MSOP-8, and DFN-8 packages. GXA3485 is designed for half duplex communication, with 1/8 unit load, allowing up to 256 GXA3485 transceivers to be connected to the same bus. It can achieve data transmission up to 12Mbps.
Ordering Information
| Purchase Number | Device | Package | SPQ | Note | 
| GXA3485Z-EC-T&R | GXA3485Z | SOP-8 | Undetermined | Sample | 
| GXA3485Z-EE-T&R | GXA3485Z | SOP-8 | Undetermined | Sample | 
Product Parameters
| Common-mode voltage | -7V~12V | Voltage | 2.7V~5V | 
|---|---|---|---|
| Maximum working speed | 12Mbps | Temperature | -40℃~+125℃ | 
| Standby current | 0.23mA | Other | Allow 256 transceivers to be connected to the bus | 
| Package form | DFN8,SOP8 | 
 
                     
                 
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