Bram Jacobse

Tinkering CD Players & Digital Audio

Comparison TDA1541 Versions

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Comparison of 4 Version TDA1541

TDA1541 HHH8645,
TDA1541s1 HHH8649,
TDA5141A r1 HSH8749
TDA1541A HBH9751

‘CD as a DAC” Digital input based om WM8805 and TDA1541 “DEM Synced to Word clock  and with C0G (NP0) decoupling caps  ” grundig MOD

0 dBFS

Lin Scale 0 dBFS 1 Hz <> 1 kHz

0 dBFS lid scale 900 Hz <> 25 kHz

THD+N 0 dBFS

 

THD+N  -60 dBFS

Linearity  44.1 kHz 997Hz   16 bit Dithered

every DAC measured 3 times 0 dBFS to -100 dBFS in 100 steps

Red = TDA1541a R1
Blue = TDA1541 S1 HHH8649
Green = TDA 1541 HHH8645
Orange = TDA1541A HBH9751

Left and Right Channel

Left and Right Channel

Left and Right Channel

Left and Right Channel

Left and Right Channel

Next Linearity with different Digital Filters

  • Red = TDA1541A HBH9751 + Philips SAA7220B
  • Blue = TDA1541A HBH9751 +  Sony CXD1244

  • Blue= TDA1541A HBH9751 + Philips SAA7220B
  • Red = TDA1541A HBH9751 without Oversampling Filter

  • Blue= TDA1541A HBH9751 + Philips SAA7220B
  • Red = TDA1541A HBH9751 without Oversampling Filter
  • Green = TDA1541A HBH9751 + Philips SAA7220A
  • Orange = TDA1541A HBH9751 +  Sony CXD1244