CS4340A Datasheet, PDF (7/20 Pages) Cirrus Logic – 24-Bit, 192 kHz Stereo DAC for Audio

CS4340A
Sample Rate
(kHz)
32
44.1
48
256x
8.1920
11.2896
12.2880
384x
12.2880
16.9344
18.4320
MCLK (MHz)
512x
16.3840
22.5792
24.5760
Table 2. Single-Speed Mode Standard Frequencies
Sample Rate
(kHz)
88.2
96
128x
11.2896
12.2880
MCLK (MHz)
192x
256x
16.9344
22.5792
18.4320
24.5760
Table 3. Double-Speed Mode Standard Frequencies
768x
24.5760
33.8688
36.8640
384x
33.8688
36.8640
Sample Rate
(kHz)
176.4
192
128x
22.5792
24.5760
MCLK (MHz)
192x
33.8688
36.8640
Table 4. Quad-Speed Mode Standard Frequencies
3.4 Digital Interface Format
The device will accept audio samples in several digital interface formats as illustrated in Table 5. The de-
sired format is selected via the DIF1 and DIF0 pins. For an illustration of the required relationship between
LRCK, SCLK and SDIN, see Figures 2-5.
DIF1
0
0
1
1
DIF0
DESCRIPTION
0 I²S, up to 24-bit data
1 Left Justified, up to 24-bit data
0 Right Justified, 24-bit Data
1 Right Justified, 16-bit Data
FORMAT
0
1
2
3
FIGURE
2
3
4
5
Table 5. Digital Interface Format - DIF1 and DIF0
LR C K
SCLK
SD IN
Left Channel
Right Channel
MSB -1 -2 -3 -4 -5
+5 +4 +3 +2 +1 LSB
MSB -1 -2 -3 -4
+5 +4 +3 +2 +1 LSB
Figure 2. CS4340A Format 0 - I²S up to 24-Bit Data
DS590PP2
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