Purchase MAX1480B, In-stock MAX1480B From SeekIC.
Part Number: MAX1480B
Description: The MAX1480A/MAX1480B/MAX1480C/MAX1490A/MAX1490B are complete, electrically isolated, RS-485/RS-422 data-communications...
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MAX1480B
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DataSheet
General Description
MAX1480B General Description
The MAX1480A/MAX1480B/MAX1480C/MAX1490A/MAX1490B are complete, electrically isolated, RS-485/RS-422 data-communications interface solutions in a hybrid microcircuit. Transceivers, optocouplers, and a transformer provide a complete interface in a standard DIP package. A single +5V supply on the logic side powers both sides of theinterface.
The MAX1480B/MAX1480C/MAX1490B feature reduced-slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission at data rates up to 250kbps.
The MAX1480A/MAX1490A driver slew rate is not limited,allowing transmission rates up to 2.5Mbps. TheMAX1480A/B/C are designed for half-duplex communication, while the MAX1490A/B feature full-duplex communication.
Drivers are short-circuit current limited and protected against excessive power dissipation by thermal shut-down circuitry that places the driver outputs into a high-impedance state. The receiver input has a fail-safe feature that guarantees a known output (RO low for the MAX1480A/B/C, RO high for the MAX1490A/B/C) if the input is open circuit.
The MAX1480A/MAX1480B/MAX1480C/MAX1490A/MAX1490B typically withstand 1600VRMS (1 minute) or 2000VRMS (1 second). Their isolated outputs meet all RS-485/RS-422 specifications. The MAX1480A/B/C are available in a 28-pin DIP package, and the MAX1490A/B are available in a 24-pin DIP package.
MAX1480B Maximum Ratings
With Respect to GND_
Supply Voltage (VCC_)..............................................-0.3V to +6V
Control Input Voltage (SD, FS)..................-0.3V to (VCC_ + 0.3V)
Receiver Output Voltage (RO, RO).............-0.3V to (VCC_ + 0.3V)
Output Switch Voltage (D1, D2)...........................................+12V
With Respect to ISO COM_
Control Input Voltage (ISO DE_ ) .......-0.3V to (ISO VCC_ + 0.3V)
Driver Input Voltage (ISO DI_ ) ..........-0.3V to (ISO VCC_ + 0.3V)
Receiver Output Voltage (ISO RO_) ...-0.3V to (ISO VCC_ + 0.3V)
Driver Output Voltage (A, B, Y, Z ) ..........................-8V to +12.5V
Receiver Input Voltage (A, B)..................................-8V to +12.5V
LED Forward Current (DI, DE, ISO RO LED) .........................50mA
Continuous Power Dissipation (TA = +70°C)
24-Pin Plastic DIP (derate 8.7mW°C above +70°C) .......696mW
28-Pin Plastic DIP (derate 9.09mW/°C above +70°C) ....727mW
Operating Temperature Ranges
MAX1480_CPI/MAX1490_CPG.................................0°C to +70°C
MAX1480_EPI/MAX1490_EPG .............................-40°C to +85°C
Storage Temperature Range ............................-65°C to +160°C
Lead Temperature (soldering, 10s) ..................................+300°C
Supply Voltage (VCC_)..............................................-0.3V to +6V
Control Input Voltage (SD, FS)..................-0.3V to (VCC_ + 0.3V)
Receiver Output Voltage (RO, RO).............-0.3V to (VCC_ + 0.3V)
Output Switch Voltage (D1, D2)...........................................+12V
With Respect to ISO COM_
Control Input Voltage (ISO DE_ ) .......-0.3V to (ISO VCC_ + 0.3V)
Driver Input Voltage (ISO DI_ ) ..........-0.3V to (ISO VCC_ + 0.3V)
Receiver Output Voltage (ISO RO_) ...-0.3V to (ISO VCC_ + 0.3V)
Driver Output Voltage (A, B, Y, Z ) ..........................-8V to +12.5V
Receiver Input Voltage (A, B)..................................-8V to +12.5V
LED Forward Current (DI, DE, ISO RO LED) .........................50mA
Continuous Power Dissipation (TA = +70°C)
24-Pin Plastic DIP (derate 8.7mW°C above +70°C) .......696mW
28-Pin Plastic DIP (derate 9.09mW/°C above +70°C) ....727mW
Operating Temperature Ranges
MAX1480_CPI/MAX1490_CPG.................................0°C to +70°C
MAX1480_EPI/MAX1490_EPG .............................-40°C to +85°C
Storage Temperature Range ............................-65°C to +160°C
Lead Temperature (soldering, 10s) ..................................+300°C
MAX1480B Features
For Integrated ESD Protection
MAX1480E/MAX1490E: ±15kV ESD-Protected,Isolated RS-485/RS-422 Data Interfaces
For Space-Constrained Applications
MAX3157: High CMRR, RS-485 Transceiver with ±50V Isolation
MAX1480E/MAX1490E: ±15kV ESD-Protected,Isolated RS-485/RS-422 Data Interfaces
For Space-Constrained Applications
MAX3157: High CMRR, RS-485 Transceiver with ±50V Isolation
MAX1480B Typical Application
Isolated RS-485/RS-422 Data Interface
Transceivers for EMI-Sensitive Applications
Industrial-Control Local Area Networks
Automatic Test Equipment
HVAC/Building Control Networks
Transceivers for EMI-Sensitive Applications
Industrial-Control Local Area Networks
Automatic Test Equipment
HVAC/Building Control Networks
MAX1480B Connection Diagram
MAX1480B
PDF/DataSheet Download
- Datasheet: MAX1480B
- File Size: 502586 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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