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2 x 50 Watt Class D Audio Amplifier Board with Audio DSP - JAB3-250 (for Gaming Kiosks)

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2 x 50 Watt Class D Audio Amplifier Board with Audio DSP - JAB3-250 (for Gaming Kiosks)[705]

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SKUAA-JA32172

34.90

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Description

ADAU1707 Audio DSP Integrated,PBTL Configurable Fully Compatiable with JAB1 and JAB2 Headphone Amplifier Integrated Debug Port for Sigma Studio through original USBi or WONDOM In-Circuit Programmer ,ICP1/ICP2 External control switch port,Low Voltage Dropout Programming Port

  • StyleBoards
  • Number Of Channel(s)2
  • Output Num50
  • Size3.6 x 2.7 inches (91.44mm x 68.58mm)
  • ChipsetTPA31xx
  • Heat DissipationHeat Sink
  • inputOthers,
  • Power Voltage12V-26V
  • 3.60 x 2.70 Inches PCB Size
  • Battery Board Supported*
  • Power Management Circuit
  • DSP Integrated
  • Gain of Speaker Output Adjustable
  • High-pass Filter of Speaker Output Adjustable
  • High-pass Filter of 3.5mm Headphone Output Adjustable
  • Overall Volume Adjustable
  • Signal Level Sensor System*
  • External 3.5mm AUX IN Port
  • Power Switch Port*
  • 3.5mm Headphone Output
  • Compatible with JAB2*
SpecifiSpecifications typical @+25℃, powered by 24V DC, unless otherwise noted. Specifications subject to change without notice.
ParameterConditionsMin.Typ.Max.Units
Number of Channels--2--
Minimum Load Impedance-3.24-Ω
Efficiency2 x 50W@4Ohm, 1kHz-84-%
Nominal Power Requirement@24V, 1kHz-130-W
Operating Voltage@1kHz, 4Ohm122426V
Idle PowerSignal detected-2-W
No Signal detected-60-mW
Switching FrequencySD Floating@24V-400-kHz
Power Consumption1/4 of max output power@4Ohm, 24V, 1kHz-35-W
1/8 of max output power@4Ohm, 24V, 1kHz-20-W
 ControlStandby(Low = inputs enabled)High-level Input Voltage3.3--V
Low-level Input Voltage--0.8V
Mute(High = outputs enabled)High-level Output Voltage                                                         3.3  V
Low-level Output Voltage--0.8V
Standby PowerSD short to GND, only when low power module available-120-mW
Under Voltage Protection-10.010.410.8V
Specifications typical @+25℃, powered by 24V DC, unless otherwuse noted. Specifications subject to change without notice.
ParameterConditionsMin.Typ.Max.Units
Amp Gain@4Ohm, 20Hz - 20kHz-26-dB
DSP GainSE1 (Single Amp)@4Ohm, 1kHz-60-0dB
SE2 (Headphone)@4Ohm, 1kHz-60-6.5dB
Input Sensitivity2 x 50W@4Ohm, 1kHz, 26dB 770 mV
Filter GainButterworth, Q= 0.707-4-dB
Cutoff FrequencyHFP0.25-2kHz
LFP-20-kHz
SNR2 x 50W@4Ohm, THD+N=1%, 26dB, A-weighting 88 dB
THD+N5W@4Ohm, 1kHz, 24dB 0.04 %
10W@4Ohm, 1kHz, 24dB 0.06 %
Input Impedance- 10 
Supported Sampling Rates--48-kHz
Output Noise LevelA-weighting, Input Connected to GND, 26dB 260 uV
DC Offset- 10 mV
Max output LevelJ3, 3.5mm Headphone Output Connector 7.8 dBu
Crosstalk Separation20Hz-20kHz, Gain=26dB--60-dB

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