CS4340-BS CIRRUS [Cirrus Logic], CS4340-BS Datasheet - Page 10

• Manufacturer Part Number: CS4340-BS
• Description: 24-Bit, 96 kHz Stereo DAC for Audio?
• Manufacturer: CIRRUS [Cirrus Logic]

SWITCHING CHARACTERISTICS
20 pF; for -KS parts T
Notes: 11. In Internal SCLK Mode, the Duty Cycle must be 50%
10
Input Sample Rate
MCLK Pulse Width High
MCLK Pulse Width Low
MCLK Pulse Width High MCLK / LRCK = 384 or 192
MCLK Pulse Width Low MCLK / LRCK = 384 or 192
MCLK Pulse Width High MCLK / LRCK = 256 or 128
MCLK Pulse Width Low MCLK / LRCK = 256 or 128
External SCLK Mode
LRCK Duty Cycle (External SCLK only)
SCLK Pulse Width Low
SCLK Pulse Width High
SCLK Period
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
Internal SCLK Mode
LRCK Duty Cycle (Internal SCLK only)
SCLK Period
SCLK rising to LRCK edge
SDATA valid to SCLK rising setup time
SCLK rising to SDATA hold time
SCLK rising to SDATA hold time
12. The SCLK / LRCK ratio may be either 32, 48, or 64. This ratio depends on part type and MCLK/LRCK
ratio. (See figures 16-19)
Parameters
MCLK / LRCK = 512, 256 or 384
MCLK / LRCK = 512, 256 or 128
A
= -10 to 70°C; for -BS parts T
MCLK / LRCK = 128 or 192
MCLK / LRCK = 384 or 192
MCLK/LRCK = 512
MCLK/LRCK = 512
Base-Rate Mode
High-Rate Mode
(Note 12)
(Note 11)
(VA = 2.7 V - 5.5 V; Inputs: Logic 0 = 0 V, Logic 1 = VA, CL =
A
= -40 to 85°C)
Symbol
t
t
t
t
t
t
t
t
sclkw
sclkw
sclkw
sclkh
t
t
t
t
t
sdlrs
sdlrs
sclkl
sclkr
Fs
slrd
slrs
sdh
sdh
sdh
1/2 MCLK Period.
--------------------- -
--------------------- -
--------------------- -
512 Fs
512 Fs
384 Fs
--------------------- -
1
1
1
128 Fs
--------------- -
SCLK
------------------
64 Fs
Min
50
10
10
21
21
31
31
40
20
20
20
20
20
20
1
1
2
1
-
-
+
+
+
10
15
15
tsclkw
----------------- -
Typ
50
50
2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1000
1000
1000
1000
1000
1000
Max
100
50
60
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CS4340
DS297PP3
Units
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
s