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ADM1485JR Low Power EIA RS-485 Transceiver IC Analog Devices

ADM1485JR Low Power EIA RS-485 Transceiver IC Analog Devices

Manufacturer: Analog Devices
Part Number: ADM1485JR

Price: $1.45
50 available for immediate delivery
Code: IC475PE01
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Additional Information


Low Power EIA RS-485 Transceivers

Features
- Meets EIA RS-485 Standard
- 30 Mbps Data Rate
- Single 5 V Supply
- 7 V to +12 V Bus Common-Mode Range
- High Speed, Low Power BiCMOS
- Thermal Shutdown Protection
- Short-Circuit Protection
- Driver Propagation Delay: 10 ns
- Receiver Propagation Delay: 15 ns
- High-Z Outputs with Power Off

The ADM1485 is a differential line transceiver. It is ideal for high speed bidirectional data communication on multipoint bus transmission lines. This devices provides balanced data transmission and meets RS-485 and RS422 EIA standards. This part is made up of a differential line driver and a differential line receiver which can both be enabled separately.

SPECIFICATIONS (VCC = 5 V 5%. All specifications TMIN to TMAX, unless otherwise noted.)

Driver
- Differential Output Voltage, VOD: 2.0V to 5.0V
(VCC = 5 V, R = 50 Ω (RS-422), Test Circuit 1)
- Common-Mode Output Voltage VOC: 3.0V max
(R = 27 Ω or 50 Ω, Test Circuit 1)
- Output Short-Circuit Current (VOUT = High): 35mA min. ; 250mA max.
(7 V ≤ VO ≤ +12 V)

Receiver
Differential Input Threshold Voltage, VTH: -0.2V to 0.2V
(7 V ≤ VCM ≤ +12 V)
- Input Resistance: 12kΩ min.
(7 V ≤ VCM ≤ +12 V)
- Input Current (A, B): 1mA max.
(VIN = +12 V)
- CMOS Output Voltage Low, VOL: 0.4uA max.
(IOUT = +4.0 mA)
- Short-Circuit Output Current: 85mA max.
(VOUT = GND or VCC)

Power Supply Current (Digital Inputs = GND or VCC)
- ICC (Outputs Enabled): 1.0mA typ.
- ICC (Outputs Disabled): 0.6mA typ.

Applications
- Low Power RS-485 Systems
- DTE-DCE Interface
- Packet Switching
- Local Area Networks
- Data Concentration
- Data Multiplexers
- Integrated Services Digital Network (ISDN)

Manufactured by: Analog Devices
Part Number: ADM1485JR

Full Datasheet: ADM1485JR