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LME49860

Specifications

SKU: 1902354

BUY LME49860 https://www.utsource.net/itm/p/1902354.html
44V Dual High Performance, High Fidelity Audio Operational Amplifier
Parameter Symbol Min Typ Max Unit Description
Supply Voltage VCC 15 - 45 V Operating supply voltage range
Quiescent Current IQ - 2.2 - mA Quiescent current at nominal conditions
Output Current IOUT - 300 - mA Maximum output current per channel
Output Voltage Swing VOUT(SWING) 0.5 - 2.0 V Output voltage swing from rail to rail
Input Voltage Range VIN -0.3 - VCC + 0.3 V Input voltage range relative to supply
Input Bias Current IIB - 0.5 - nA Input bias current at room temperature
Input Offset Voltage VOS - 0.5 - mV Input offset voltage at room temperature
Slew Rate SR - 10 - V/μs Slew rate for large signal transitions
Bandwidth BW - 10 - MHz Small-signal bandwidth (G = 1)
Power Consumption PCON - 7.2 - mW Power consumption at nominal conditions
Operating Temperature TOP -40 - 125 °C Operating temperature range

Instructions for Using LME49860

  1. Power Supply:

    • Ensure the supply voltage (VCC) is within the specified range of 15V to 45V.
    • Use appropriate decoupling capacitors (e.g., 10μF and 0.1μF) close to the power pins to stabilize the supply and reduce noise.
  2. Input Configuration:

    • Connect the input signals to the non-inverting and inverting inputs (VIN+ and VIN-).
    • Ensure the input voltages are within the specified range of -0.3V to VCC + 0.3V to avoid damage or incorrect operation.
  3. Output Configuration:

    • The output can drive loads up to 300mA.
    • For optimal performance, ensure the load impedance is matched to the output impedance of the amplifier.
    • Use appropriate output capacitors if driving capacitive loads to prevent instability.
  4. Biasing and Offset:

    • The input bias current is very low (0.5nA), but use high-value resistors with care to avoid significant voltage drops.
    • The input offset voltage is typically 0.5mV. Use trimming techniques if higher precision is required.
  5. Thermal Management:

    • Ensure adequate heat dissipation, especially when operating at higher supply voltages or high output currents.
    • Mount the device on a heatsink or a PCB with good thermal conductivity if necessary.
  6. Slew Rate and Bandwidth:

    • The slew rate of 10V/μs ensures fast response to large signal changes.
    • The small-signal bandwidth of 10MHz is suitable for a wide range of applications, including audio and RF.
  7. Operating Temperature:

    • The device can operate over a wide temperature range (-40°C to 125°C). Ensure the ambient temperature does not exceed these limits to maintain reliable operation.
  8. Storage and Handling:

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

By following these guidelines, you can ensure optimal performance and reliability of the LME49860 operational amplifier in your application.

(For reference only)

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