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2 x 20 Watt  Class D Audio Amplifier Board - MAX98400A Zoom

2 x 20 Watt Class D Audio Amplifier Board - MAX98400A

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SKU: AA-AB32254
The MAX98400A Class D amplifiers provide high-performance, thermally efficient amplifier solutions.MAX98400A delivers 2 x 20W into 8Ω loads. This device operates from 8V to 28V and provides a high PSRR, eliminating the need for a regulated power supply. The MAX9736 offers up to 88% efficiency at 12V supply.

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Product Description

    Details

     
    2 x 20Watt @ 8ohm Class D Audio Amplifier Board - MAX98400A 
     
    Manual: AA-AB32254
     
    Brief Introduction:
    The MAX98400A Class D amplifiers provide high-performance, thermally efficient amplifier
    solutions.MAX98400A delivers 
    2 x 20W into 8Ω loads. This device operates from 8V to 28V and provides a high PSRR, eliminating the need for a regulated power supply. The MAX9736 offers up to 88% efficiency at 12V supply.
    Comprehensive click-and-pop reduction circuitry minimizes noise coming into and out of shutdown or mute.

     

    Features:

    •  Size: 3.6 inch x 2.7 inch
    •  Mute and standby function
    •  Supply voltage: DC 8V to 28V
    •  Thermal and output current protection

     

    Applications:
    •  Desktop amplifier 
    •  Personal computers 
    •  Car audio
    •  Home DIY 
    •  Vending machines, Lifts,Interactive kiosks 
    •  Home theater receiver

     

    L-style Aluminium Bracket: L-type Alimunium Bracket

    To improving the connection and measurement efficiency and saving the cost on installations, Sure Electronics provides a L-type aluminium bracket for audio amplifier boards. The aluminium bracket supports vertical and horizontal installtion ways to satisfy different installation requirements. With 4 M3 screw lock standoffs and 2 M3 pre-drilled mounting holes, audio amplifier boards could be installed on the bracket easily.

     

    Specification:
    Following table lists all typical data of the Amp board. For full specification, please refer to the data sheet of MI’s MAX98400A chip.TA = 25℃, fin = 1 kHz sine wave, RL = ∞, VVS = 18V. (Unless otherwise stated)

    Parameter

    Conditions

    Min

    Typ

    Max

    Supply Voltage (V)

    Inferred from PSRR test

    8

    -

    28

    Quiescent Current (mA)

    RL = ∞, VREGEN = 5V,
    VVS = open

    TA = +25°C

     

    30

    45

    TA = TMIN to TMAX

    -

    -

    50

    RL = ∞, VREGEN = 0V,
    VVS = 5V

    TA = +25°C

     

    14

    20

    TA = TMIN to TMAX

    -

    -

    22

    Input Sensitivity (V)

    -

    -

    0.62

    -

    Input Impedance (Kohm)

    -

    -

    22

    -

    Gain (dB)

    MAX98400A

     

    26.4

     

    Output Power
    (THD+N= 10%) (W rms)

    (Thermal limited)

    VPVDD = 18V

    RL = 8Ω

    -

    22

    -

    RL = 4Ω

    -

    44

    -

    Efficiency (%)

    PO = 8W, MAX98400A,

    PVDD = 12V ,RL = 8Ω

    -

    91.2

    -

    Minimum Load (ohm)

    -

    -

    8

    -

    Frequency Response (Hz)

    ±3dB

    20

    -

    22k

    Operating Temperature (℃)

    -

    0

    20

    50

     

    Package content:

    • 2 x 20 Watt @ 8 Ohm Class D Audio Amplifier Board x1
     
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