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WM8983GEFL/V Datasheet(PDF) 15 Page - Wolfson Microelectronics plc |
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WM8983GEFL/V Datasheet(HTML) 15 Page - Wolfson Microelectronics plc |
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15 / 124 page  Production Data WM8983 w PD, Rev 4.3, May 2010 15 Audio Precision 08/29/06 12:58:55 W M8983 THD+N vs. Output Power -- Boost enabled; SPKVDD=4.2V WM8983_DAC_SPK_THD+N_vs _Power_8ohm _Boos t_SPKVDD=4.2V.at27 Color Sweep Trace Line Style Thick Data Axis Com m ent 1 1 Cyan Solid 1 Anlr.THD+N Am pl Left 3.6V 4 1 Red Solid 1 Anlr.THD+N Am pl Left 3.3V 7 1 Green Solid 1 Anlr.THD+N Am pl Left 3V 10 1 Blue Solid 1 Anlr.THD+N Am pl Left 2.7V Sys tem AP2 Board Revis ion: 2.0 Device Date Code: 67AALNA Input Path: SPDIF_IN Input Signal: 997Hz; Sweep 100%FS -> 0%FS; 24-bit; 256fs (fs =48kHz) Output Path: R/LOUT2; LOUT2VOL=ROUT2VOL=+6dB; 8ohm BTL Output Reference: +4.428dBrA Supplies : External - AVDD=DBVDD=DCVDD=See Com m ent; SPKVDD=4.2V BW filter : 22Hz - 22kHz Additional Filtering: None Dither: None RMS or Averaging: Averaging -100 +0 -90 -80 -70 -60 -50 -40 -30 -20 d B r A 0 .9 100m 200m 300m 400m 500m 600m 700m 800m W T T T T T T Figure 3 Speaker THD+N vs Output Power (Boost Mode: SPKVDD=4.2V; SPKBOOST=1; AVDD Range =3.6-2.7V) Audio Precision 08/29/06 12:48:45 W M8983 THD+N vs. Output Power -- Boost enabled; SPKVDD=5V WM8983_DAC_SPK_THD+N_vs _Power_8ohm _Boos t_SPKVDD=5V.at27 Color Sweep Trace Line Style Thick Data Axis Com m ent 1 1 Cyan Solid 1 Anlr.THD+N Am pl Left 3.6V 4 1 Red Solid 1 Anlr.THD+N Am pl Left 3.3V 7 1 Green Solid 1 Anlr.THD+N Am pl Left 3V 10 1 Blue Solid 1 Anlr.THD+N Am pl Left 2.7V Sys tem AP2 Board Revis ion: 2.0 Device Date Code: 67AALNA Input Path: SPDIF_IN Input Signal: 997Hz; Sweep 100%FS -> 0%FS; 24-bit; 256fs (fs =48kHz) Output Path: R/LOUT2; LOUT2VOL=ROUT2VOL=+6dB; 8ohm BTL Output Reference: +4.428dBrA Supplies : External - AVDD=DBVDD=DCVDD=See Com m ent; SPKVDD=5V BW filter : 22Hz - 22kHz Additional Filtering: None Dither: None RMS or Averaging: Averaging -100 +0 -90 -80 -70 -60 -50 -40 -30 -20 -10 d B r A 0 1.2 100m 200m 300m 400m 500m 600m 700m 800m .9 1 1.1 W T T T T T T T T Figure 4 Speaker THD+N vs Output Power (Boost Mode: SPKVDD=5V; SPKBOOST=1; AVDD Range =3.6-2.7V) |
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