CS4340-KSZ Cirrus Logic Inc, CS4340-KSZ Datasheet - Page 18
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CS4340-KSZ
Manufacturer Part Number
CS4340-KSZ
Description
IC, DAC, 24BIT, 96KSPS, SOIC-16
Manufacturer
Cirrus Logic Inc
Datasheet
1.CS4340-CZZ.pdf
(25 pages)
Specifications of CS4340-KSZ
Resolution (bits)
24bit
Sampling Rate
96kSPS
Input Channel Type
Serial
Supply Current
15mA
Digital Ic Case Style
SOIC
No. Of Pins
16
Data Interface
Serial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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4.4
The device includes on-chip digital de-emphasis. Figure 19 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 sample rate, Fs.
Pin 8 is available for de-emphasis control and selects the 44.1 kHz de-emphasis filter. If the Internal Serial Clock is
used, pin 3 is also available for additional de-emphasis control and, in combination with pin 8, selects either the 32,
44.1, or 48 kHz de-emphasis filter. Please see Table 6 for the desired de-emphasis control.
18
LRCK
SCLK
SDIN
LRCK
SCLK
SDIN
-10dB
Gain
0dB
dB
De-Emphasis
0
Figure 19. De-Emphasis Curve
3.183 kHz
T1=50 µs
F1
23 22 21 20 19 18
15 14 13 12 11 10
32 clo cks
Figure 17. CS4340 Format 2 - Right Justified, 24-Bit Data
Figure 18. CS4340 Format 3 - Right Justified, 16-Bit Data
32 clo cks
Left Channel
Left Channel
10.61 kHz
F2
9
T2 = 15 µs
Frequency
8
7
7
6
6
5
5
4
4
3
3
2
2
1
DEM1
1
0
0
0
1
1
0
Internal SCLK
DEM0 Description
0
1
0
1
Table 6. De-Emphasis Control
23 22 21 20 19 18
44.1 kHz
15 14 13 12 11 10
Disabled
48 kHz
32 kHz
R ight Cha nnel
R ight Cha nnel
9
8
DEM0 Description
7
7
External SCLK
0
1
6
6
5
5
4
4
Disabled
44.1 kHz
3
CS4340
3
2
2
DS297F3
1
1
0
0