CS4340A

8

DS590F2

3.5

De-Emphasis

44.1 kHz. The frequency response of the de-emphasis curve will scale proportionally with changes in sam-

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