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CDB4340A Datasheet(PDF) 8 Page - Cirrus Logic |
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CDB4340A Datasheet(HTML) 8 Page - Cirrus Logic |
8 / 21 page CS4340A 8 DS590F2 3.5 De-Emphasis The device includes on-chip digital de-emphasis. Figure 6 shows the de-emphasis curve for Fs equal to 44.1 kHz. The frequency response of the de-emphasis curve will scale proportionally with changes in sam- ple rate, Fs. Please see Table 6 for the desired de-emphasis control. LR C K SCLK Left C ha nne l Rig h t C hannel SDIN +3 +2 +1 +5 +4 MSB -1 -2 -3 -4 -5 +3 +2 +1 +5 +4 -1 -2 -3 -4 LSB MSB LSB Figure 3. CS4340A Format 1 - Left Justified up to 24-Bit Data LRCK SCLK Le ft C h a n ne l SDIN 6 5 43 21 0 7 23 22 21 20 19 18 654 3 2 10 7 23 22 21 20 19 18 32 c lo cks 0 R ig ht C ha nne l Figure 4. CS4340A Format 2 - Right Justified, 24-Bit Data LRCK SCLK Le ft C ha nne l R ig ht C ha nne l SDIN 6 5 43 21 0 98 7 15 14 13 12 11 10 654 3 2 10 98 7 15 14 13 12 11 10 32 c lo cks Figure 5. CS4340A Format 3 - Right Justified, 16-Bit Data Gain dB -10dB 0dB Frequency T2 = 15 µs T1=50 µs F1 F2 3.183 kHz 10.61 kHz Figure 6. De-Emphasis Curve Table 6. De-Emphasis Control DEM DESCRIPTION 0 Disabled 1 44.1 kHz |
Número de pieza similar - CDB4340A |
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Descripción similar - CDB4340A |
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