Share:


LA7285

Specifications

SKU: 1207490

BUY LA7285 https://www.utsource.net/itm/p/1207490.html
VCR Audio Signal Recording and Playback ProcessorVCR/
Parameter Symbol Conditions Min Typ Max Unit
Supply Voltage Vcc - 4.5 5.0 5.5 V
Standby Current ISB Vcc = 5V - 0.1 0.5 mA
Operating Current IOP Vcc = 5V, f = 1MHz - 30 50 mA
Output Voltage (High) VOH Vcc = 5V, IO = 0.4mA 4.0 4.5 5.0 V
Output Voltage (Low) VOL Vcc = 5V, IO = 16mA 0.0 0.4 0.5 V
Input Voltage (High) VIH - 3.0 - 5.5 V
Input Voltage (Low) VIL - 0.0 - 2.0 V
Maximum Input Current IIH VIH = 5.5V - 1.0 10 μA
Maximum Input Current IIL VIL = 0V - 1.0 10 μA
Operating Temperature Toper - -40 - 85 °C
Storage Temperature Tstg - -55 - 150 °C

Instructions for Using LA7285

  1. Power Supply:

    • Ensure the supply voltage (Vcc) is within the range of 4.5V to 5.5V.
    • Connect the Vcc pin to the power source and GND to the ground.
  2. Standby Mode:

    • To minimize power consumption, use the standby mode by setting the appropriate control signals.
    • The standby current is typically 0.1mA at 5V.
  3. Operating Mode:

    • When the device is active, the operating current can range from 30mA to 50mA depending on the load and frequency.
    • Ensure the load current does not exceed the maximum ratings.
  4. Output Levels:

    • For high output (VOH), the voltage should be at least 4.0V when sourcing 0.4mA.
    • For low output (VOL), the voltage should be no more than 0.5V when sinking 16mA.
  5. Input Levels:

    • The input voltage (VIH) for a high state should be at least 3.0V.
    • The input voltage (VIL) for a low state should be no more than 2.0V.
    • Ensure the input currents (IIH and IIL) do not exceed 10μA.
  6. Temperature Considerations:

    • The operating temperature range is from -40°C to 85°C.
    • The storage temperature range is from -55°C to 150°C.
  7. Handling and Storage:

    • Handle the device with care to avoid static damage.
    • Store the device in a dry, cool place within the specified storage temperature range.
  8. Mounting and Soldering:

    • Follow standard soldering practices to ensure reliable connections.
    • Avoid overheating the device during soldering, as this can damage internal components.
  9. Testing and Troubleshooting:

    • Use a multimeter to verify the supply voltage and output levels.
    • Check for proper grounding and correct pin connections.
    • Refer to the datasheet for detailed troubleshooting steps if issues arise.
(For reference only)

 Inquiry - LA7285