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MFG:ADI D/C:09
Part Number: ADM489
MFG: ADI
D/C: 09
Description: The ADM488 and ADM489 are low power differential line transceiver suitable for communication on multipoint bus trans...
- Table of contents:
ADM489
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Suppliers
DataSheet
General Description
ADM489 General Description
The ADM488 and ADM489 are low power differential line transceiver suitable for communication on multipoint bus trans- mission lines.
They are intended for balanced data transmission and comply with both EIA Standards RS-485 and RS-422. Both products contains a single differential line driver and a single differential line receiver making them suitable for full duplex data transfer.
The ADM489 contains an additional receiver and driver enable control.
The input impedance is 12 kΩ, allowing 32 transceivers to be connected on the bus.
ADM489 Maximum Ratings
(TA = +25°C unless otherwise noted)
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7 V
Inputs
Driver Input (DI) . . . . . . . . . . . . . . . 0.3 V to VCC + 0.3 V
Control Inputs (DE, RE) . . . . . . . . . 0.3 V to VCC + 0.3 V
Receiver Inputs (A, B) . . . . . . . . . . . . . . . . 14 V to +14 V
Outputs
Driver Outputs . . . . . . . . . . . . . . . . . . . . 14 V to +12.5 V
Receiver Output . . . . . . . . . . . . . . . 0.5 V to VCC + 0.5 V
Power Dissipation 8-Lead DIP . . . . . . . . . . . . . . . 700 mW
JA, Thermal Impedance . . . . . . . . . . . . . . . . . . 120°C/W
Power Dissipation 8-Lead SOIC . . . . . . . . . . . . . .520 mW
JA, Thermal Impedance . . . . . . . . . . . . . . . . . . 110°C/W
Power Dissipation 14-Lead DIP . . . . . . . . . . . . . . 800 mW
JA, Thermal Impedance . . . . . . . . . . . . . . . . . . 140°C/W
Power Dissipation 14-Lead SOIC . . . . . . . . . . . . . 800 mW
JA, Thermal Impedance . . . . . . . . . . . . . . . . . . 120°C/W
Power Dissipation 16-Lead TSSOP . . . . . . . . . . . . 800 mW
JA, Thermal Impedance . . . . . . . . . . . . . . . . . . 150°C/W
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . 40°C to +85°C
Storage Temperature Range . . . . . . . 65°C to +150°C
Lead Temperature (Soldering, 10 secs) . . . . . . . .+300°C
Vapor Phase (60 secs) . . . . . . . . . . . . . . . . . . . . .+215°C
Infrared (15 secs) . . . . . . . . . . . . . . . . . . . . . . . . .+220°C
ESD Rating, MIL-STD-883B . . . . . . . . . . . . . . . . . . . . . 4 kV
EFT Rating, IEC1000-4-4 . . . . . . . . . . . . . . . . . . . . . . . 2 kV
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7 V
Inputs
Driver Input (DI) . . . . . . . . . . . . . . . 0.3 V to VCC + 0.3 V
Control Inputs (DE, RE) . . . . . . . . . 0.3 V to VCC + 0.3 V
Receiver Inputs (A, B) . . . . . . . . . . . . . . . . 14 V to +14 V
Outputs
Driver Outputs . . . . . . . . . . . . . . . . . . . . 14 V to +12.5 V
Receiver Output . . . . . . . . . . . . . . . 0.5 V to VCC + 0.5 V
Power Dissipation 8-Lead DIP . . . . . . . . . . . . . . . 700 mW
JA, Thermal Impedance . . . . . . . . . . . . . . . . . . 120°C/W
Power Dissipation 8-Lead SOIC . . . . . . . . . . . . . .520 mW
JA, Thermal Impedance . . . . . . . . . . . . . . . . . . 110°C/W
Power Dissipation 14-Lead DIP . . . . . . . . . . . . . . 800 mW
JA, Thermal Impedance . . . . . . . . . . . . . . . . . . 140°C/W
Power Dissipation 14-Lead SOIC . . . . . . . . . . . . . 800 mW
JA, Thermal Impedance . . . . . . . . . . . . . . . . . . 120°C/W
Power Dissipation 16-Lead TSSOP . . . . . . . . . . . . 800 mW
JA, Thermal Impedance . . . . . . . . . . . . . . . . . . 150°C/W
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . 40°C to +85°C
Storage Temperature Range . . . . . . . 65°C to +150°C
Lead Temperature (Soldering, 10 secs) . . . . . . . .+300°C
Vapor Phase (60 secs) . . . . . . . . . . . . . . . . . . . . .+215°C
Infrared (15 secs) . . . . . . . . . . . . . . . . . . . . . . . . .+220°C
ESD Rating, MIL-STD-883B . . . . . . . . . . . . . . . . . . . . . 4 kV
EFT Rating, IEC1000-4-4 . . . . . . . . . . . . . . . . . . . . . . . 2 kV
ADM489 Features
Meets EIA RS-485 Standard
250 kbps Data Rate
Single +5 V 6 10% Supply
7 V to +12 V Bus Common-Mode Range
12 kV Input Impedance
2 kV EFT Protection Meets IEC1000-4-4
High EM Immunity Meets IEC1000-4-3
Reduced Slew Rate for Low EM Interference
Short Circuit Protection
Excellent Noise Immunity
30 mA Supply Current
250 kbps Data Rate
Single +5 V 6 10% Supply
7 V to +12 V Bus Common-Mode Range
12 kV Input Impedance
2 kV EFT Protection Meets IEC1000-4-4
High EM Immunity Meets IEC1000-4-3
Reduced Slew Rate for Low EM Interference
Short Circuit Protection
Excellent Noise Immunity
30 mA Supply Current
ADM489 Typical Application
Low Power RS-485 Systems
DTE-DCE Interface
Packet Switching
Local Area Networks
Data Concentration
Data Multiplexers
Integrated Services Digital Network (ISDN)
DTE-DCE Interface
Packet Switching
Local Area Networks
Data Concentration
Data Multiplexers
Integrated Services Digital Network (ISDN)
ADM489 Connection Diagram
ADM489
PDF/DataSheet Download
- Datasheet: ADM489
- File Size: 203533 KB
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- Click here to Download
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