Share:


LTC1535ISW

Specifications

SKU: 237231

BUY LTC1535ISW https://www.utsource.net/itm/p/237231.html
Isolated RS485 Transceiver; Package: SO; No of Pins: 28; Temperature Range: -40°C to +85°C
Parameter Symbol Conditions Min Typ Max Unit
Supply Voltage VCC Operating 2.7 - 5.5 V
Quiescent Current IQ No Load - 10 - μA
Output Voltage Range VOUT Load = 10kΩ 0.01 - VCC-0.01 V
Input Offset Voltage VOS - - 50 - μV
Input Bias Current IB VIN = 0V - 0.5 - pA
Input Impedance ZIN - 1 - 10
Slew Rate SR - - 10 - V/μs
Bandwidth fBW -3dB - 10 - MHz
CMRR CMRR - - 100 - dB
PSRR PSRR - - 100 - dB
Output Current IOUT Short Circuit Protection - 10 - mA

Instructions for Using the LTC1535ISW

  1. Power Supply:

    • Ensure the supply voltage (VCC) is within the range of 2.7V to 5.5V.
    • Use a stable power source to avoid fluctuations that can affect performance.
  2. Input Signal:

    • The input signal should be within the common-mode voltage range, which is from 0V to VCC.
    • For optimal performance, keep the input impedance high by using signals with low source impedance.
  3. Output Configuration:

    • The output voltage (VOUT) can range from 0.01V to VCC-0.01V.
    • Connect a load resistor (e.g., 10kΩ) to the output to ensure proper operation and stability.
  4. Biasing and Feedback:

    • Use external resistors to set the gain and bias the op-amp as required.
    • For non-inverting configurations, connect the non-inverting input to the desired reference voltage.
    • For inverting configurations, connect the inverting input to the feedback network.
  5. Slew Rate and Bandwidth:

    • The typical slew rate is 10V/μs, suitable for fast transient responses.
    • The bandwidth is 10MHz, making it suitable for high-frequency applications.
  6. Protection:

    • The device has built-in short-circuit protection, but avoid prolonged short circuits to prevent damage.
    • Use appropriate decoupling capacitors near the power pins to filter out noise and transients.
  7. Temperature Considerations:

    • The device operates over a wide temperature range, but ensure it is within the specified limits for reliable performance.
  8. Layout and PCB Design:

    • Use a ground plane to minimize noise and improve thermal dissipation.
    • Keep signal traces short and direct to reduce parasitic capacitance and inductance.
  9. Storage and Handling:

    • Store the device in a dry, cool environment to prevent moisture damage.
    • Handle with care to avoid static discharge, which can damage the sensitive components.
  10. Testing and Verification:

    • Before finalizing the design, test the circuit under various conditions to ensure it meets the required specifications.
    • Use an oscilloscope to verify the output waveform and stability.

By following these guidelines, you can ensure optimal performance and reliability of the LTC1535ISW in your application.

(For reference only)

 Inquiry - LTC1535ISW