LM2902DR2G SOIC-14
LM2902DR2G SOIC-14

 

LM2902DR2G SOIC-14

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Description

BUY LM2902DR2G SOIC-14 https://www.utsource.net/itm/p/9529629.html

Parameter Symbol Conditions Min Typ Max Unit
Supply Voltage VCC Operating 2.0 - 36 V
Quiescent Current IQ Per Amplifier, VCC = 5V - 0.8 - mA
Input Offset Voltage VIO VCC = 5V - 2.0 5.0 mV
Input Bias Current IB VCC = 5V - 45 75 nA
Input Voltage Range VI VCC = 5V 0 - VCC - 1.5 V
Output Short-Circuit Protection - Continuous - - - -
Output Current IO VCC = 5V, VOL = 0.1V - 16 - mA
Output Voltage Swing VOS VCC = 5V, No Load 0 - VCC - 2.0 V
Common-Mode Rejection Ratio CMRR VCC = 5V 80 - - dB
Power Dissipation PD Maximum, TA = 25°C - - 360 mW

Instructions for Using the LM2902DR2G SOIC-14:

  1. Supply Voltage:

    • Ensure the supply voltage (VCC) is within the range of 2.0V to 36V.
    • Connect the positive supply to pin 4 (VCC) and the negative supply to pin 11 (GND).

  2. Quiescent Current:

    • The quiescent current per amplifier is typically 0.8mA at 5V. This should be considered when designing the power supply.

  3. Input Offset Voltage:

    • The input offset voltage can range from 2.0mV to 5.0mV at 5V. Use feedback resistors to minimize the effect of this offset.

  4. Input Bias Current:

    • The input bias current is typically 45nA to 75nA at 5V. Use high-value resistors in the input circuit to avoid loading the input.

  5. Input Voltage Range:

    • The input voltage range should be between 0V and VCC - 1.5V to ensure proper operation.

  6. Output Short-Circuit Protection:

    • The device has built-in short-circuit protection. However, it is recommended to use external current-limiting resistors for added safety.

  7. Output Current:

    • The output can sink up to 16mA at 5V with a VOL of 0.1V. Ensure the load does not exceed this limit.

  8. Output Voltage Swing:

    • The output voltage swing is from 0V to VCC - 2.0V with no load. Design the circuit to accommodate this range.

  9. Common-Mode Rejection Ratio (CMRR):

    • The CMRR is 80dB at 5V, indicating good rejection of common-mode signals. This is useful in noisy environments.

  10. Power Dissipation:

    • The maximum power dissipation is 360mW at 25°C ambient temperature. Ensure adequate heat dissipation if operating near this limit.

  11. Pin Configuration:

    • Pin 1: NC (No Connect)
    • Pin 2: Inverting Input (A1)
    • Pin 3: Non-Inverting Input (A1)
    • Pin 4: VCC
    • Pin 5: Output (A1)
    • Pin 6: Inverting Input (A2)
    • Pin 7: Non-Inverting Input (A2)
    • Pin 8: Output (A2)
    • Pin 9: Inverting Input (A3)
    • Pin 10: Non-Inverting Input (A3)
    • Pin 11: GND
    • Pin 12: Output (A3)
    • Pin 13: Inverting Input (A4)
    • Pin 14: Non-Inverting Input (A4)
    • Pin 15: Output (A4)

  12. Handling Precautions:

    • Handle the IC with care to avoid static damage.
    • Ensure all connections are secure and free from shorts or open circuits.
    • Follow good PCB layout practices to minimize noise and interference.
(For reference only)

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