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订了一对这种400W的D功放模块。。。
Performance data
Power supply = +/-65V, Load=4, MBW=40kHz, unless otherwise noted
Item Symbol Min Typ Max Unit Notes
Output Power PR 400 - - W THD=1%
- 0.01 0.05 % 20Hz<f<20kHz.
Pout<R/2
Distortion THD+N
- - 0.004 % 20Hz<f<20kHz
Pout=1W
Output noise UN - 30μ 35μ V Unwtd, 20Hz-20kHz
Output Impedance Z - - 20m f<1kHz OUT
- - 150m f<20kHz
Power Bandwidth PBW 20-35k Hz
Frequency Response 10 - 50k Hz +0/-3dB. All loads.
Voltage Gain AV 25.5 26 26.5 dB
Supply Ripple
Rejection
PSRR 65 dB Either rail, all
frequencies.
Efficiency h 92 % Full power
Idle Losses P0 8 W
Standby Current ISTBY 10m A
Current Limit 20 A Stop mode after limiting
40ms |
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