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LA7852

Specifications

SKU: 1714423

BUY LA7852 https://www.utsource.net/itm/p/1714423.html
CRT Display Synchronization Deflection CircuitCRT
Parameter Symbol Conditions Min Typ Max Unit
Supply Voltage VCC - 4.5 5.0 5.5 V
Standby Current ISB VCC = 5V - 1.0 - mA
Operating Current IOC VCC = 5V, f = 3.58MHz - 30 - mA
Input Voltage Range VIN - 0.3 - 2.0 V
Output Voltage Range VOUT - 0.3 - 2.0 V
Differential Gain Error DGE - - 0.5 - %
Differential Phase Error DPE - - 0.5 - °
S/N Ratio SNR - - 60 - dB
THD+N THD+N - - 0.1 - %
Output Power POUT RL = 75Ω - 1.0 - W

Instructions for Use

  1. Power Supply:

    • Ensure the supply voltage (VCC) is within the range of 4.5V to 5.5V.
    • Use a stable power source to avoid fluctuations that can affect performance.
  2. Standby Mode:

    • The standby current (ISB) is typically 1.0mA when the device is not actively processing signals.
    • To enter standby mode, set the appropriate control pin as specified in the datasheet.
  3. Operating Current:

    • The operating current (IOC) is typically 30mA when the device is processing a 3.58MHz signal at 5V.
    • Ensure the power supply can handle this current requirement.
  4. Input and Output Voltage:

    • The input and output voltage ranges are from 0.3V to 2.0V.
    • Ensure the input signal levels are within these limits to prevent distortion or damage.
  5. Performance Parameters:

    • The differential gain error (DGE) and differential phase error (DPE) are both typically 0.5% and 0.5°, respectively.
    • The signal-to-noise ratio (SNR) is typically 60dB, and the total harmonic distortion plus noise (THD+N) is typically 0.1%.
  6. Output Power:

    • The output power (POUT) is typically 1.0W when connected to a 75Ω load.
    • Ensure the load impedance matches this value for optimal performance.
  7. Handling and Storage:

    • Handle the device with care to avoid static discharge, which can damage sensitive components.
    • Store the device in a dry, cool place away from direct sunlight and extreme temperatures.
  8. Mounting and PCB Layout:

    • Follow recommended PCB layout guidelines to ensure proper heat dissipation and minimize electromagnetic interference (EMI).
    • Use appropriate decoupling capacitors near the power supply pins to stabilize the supply voltage.
  9. Testing:

    • Before finalizing the design, test the device under various conditions to ensure it meets the required specifications.
    • Use a signal generator and oscilloscope to verify the performance parameters.

For more detailed information, refer to the LA7852 datasheet provided by the manufacturer.

(For reference only)

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