cs4382 Cirrus Logic, Inc., cs4382 Datasheet - Page 9

• Manufacturer Part Number: cs4382
• Description: 114 Db, 192 Khz 8-channel D/a Converter
• Manufacturer: Cirrus Logic, Inc.

DS514F2
SWITCHING CHARACTERISTICS
(For KQZ T
Notes:
.
MCLK Frequency
MCLK Duty Cycle
Input Sample Rate
LRCK Duty Cycle
SCLK Pulse Width Low
SCLK Pulse Width High
SCLK Period
SCLK rising to LRCK edge delay
SCLK rising to LRCK edge setup time
SDATA valid to SCLK rising setup time
SCLK rising to SDATA hold time
LRCK1 to LRCK2 frequency ratio
15. See
16. This serial clock is available only in Control Port Mode when the MCLK Divide bit is enabled.
17. The higher frequency LRCK must be an exact integer multiple (1, 2, or 4) of the lower frequency LRCK.
A
= -10°C to +70°C; VLS = 1.8 V to 5.5 V; Inputs: Logic 0 = GND, Logic 1 = VLS, C
Table 5 on page 27
Parameters
SDATA
LRCK
SCLK
Double-Speed Mode
Double-Speed Mode
Single-Speed Mode
Single-Speed Mode
Quad-Speed Mode
Quad-Speed Mode
for suggested MCLK frequencies.
Figure 1. Serial Mode Input Timing
t
slrd
(Note 15)
(Note 16)
(Note 17)
t
sdlrs
Symbol
t
t
t
t
t
sclkw
sclkw
sclkh
t
t
t
sdlrs
sclkl
Fs
Fs
Fs
slrd
sdh
slrs
t
slrs
t
sclkl
---------------- -
MCLK
---------------- -
MCLK
t
1.024
6.400
6.400
sdh
0.25
Min
100
40
50
45
20
20
20
20
20
20
4
2
4
t
sclkh
Typ
1.00
50
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
L
Max
= 30 pF)
51.2
51.2
51.2
4.00
100
200
60
50
55
-
-
-
-
-
-
-
-
CS4382
Units
MHz
MHz
MHz
kHz
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
%
%
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