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ADM1487

Features: Low Power - 120µA Max ICC with Driver DisabledHigh Input Impedance - Up to 256 Transceivers on BusLow-Current (1µA) Shutdown ModeSlew Rate Control for Error-Free DataTransmission and Low EMI±10kV ESD Protection (Human Body Model) onRS-485 I/O pinsThermal Protection of DriverG...

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SeekIC No. : 004275612 Detail

ADM1487: Features: Low Power - 120µA Max ICC with Driver DisabledHigh Input Impedance - Up to 256 Transceivers on BusLow-Current (1µA) Shutdown ModeSlew Rate Control for Error-Free DataTransmissi...

ADM1487 Data Sheet

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Part Number:
ADM1487
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/21

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Product Details

Description



Features:

Low Power - 120µA Max ICC with Driver Disabled
High Input Impedance - Up to 256 Transceivers on Bus
Low-Current (1µA) Shutdown Mode
Slew Rate Control for Error-Free Data
Transmission and Low EMI
±10kV ESD Protection (Human Body Model) on
RS-485 I/O pins
Thermal Protection of Driver
Glitch-Free Driver Power-Up Allows Hot Connection
Driver Maintains High Output Impedance with Power Off
Wide Common-Mode Range Allows ±7V Ground Differences Between Devices
Pin-Compatible with Industry Standard 75176


Application

Battery-Powered RS-485/RS-422 Systems
Level Translation


Pinout

Connection Diagram


Specifications

Supply  Voltage  (Vcc)  . . . . . . . . . . . . . . . . . . . . . . . . .12V
Control  Input  Voltage  . . . . . . . . . . . 0.5V to Vcc + 0.5V
Driver  Input  Voltage  . . . . . . . . . . . 0.5V  to  Vcc + 0.5V
Driver  Output  Voltage  . . . . . . . . . . . . . . . . . . . . . . ±14V
Receiver  InputVoltage  . . . . . . . . . . . . . . . . . . . . . . ±14V
Receiver  Output  Voltage  . . . . . . . . .0.5V to Vcc + 0.5V
Operating  Temperature  Range  . . . . .   . 0°C  TA70°C
Lead  Temperature  (Soldering,  10  sec)  . . . . . . . 300°C


Description

The ADM1487 is an ultra-low power RS-485/RS-422 transceiver consisting of one driver and one receiver per package. Quiescent operating current is typically 80µA and 1µA in shutdown mode. The driver and receiver both have three-state outputs. ADM1487 allows multiple drivers to be connected to an RS-485/RS-422 bus, or several receiver outputs to be connected to a serial data bus. The driver will maintain a high-impedance output state even with power off, while the receiver features fail-safe operation that guarantees a logic high output if the inputs are left open-circuit. The device has  slew-rate limited drivers to minimize electromagnetic interference (EMI) and reduce reflections caused by incorrectly terminated cables.




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