CS4340-KSR Cirrus Logic, CS4340-KSR Datasheet - Page 12

• Manufacturer Part Number: CS4340-KSR
• Description: Digital to Analog Converters - DAC IC 24Bit 96kHz 101dB Stereo DAC
• Manufacturer: Cirrus Logic

Specifications of CS4340-KSR

• Product Category: Digital to Analog Converters - DAC
• Number Of Converters: 2
• Resolution: 24 bit
• Interface Type: Serial
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-16
• Minimum Operating Temperature: - 10 C
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 2.7 V

12
SWITCHING CHARACTERISTICS - INTERNAL SERIAL CLOCK
Notes: 6. The Duty Cycle must be 50% +/− 1/2 MCLK Period.
MCLK Frequency
MCLK Duty Cycle
Input Sample Rate
LRCK Duty Cycle
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
7. See section 4.2.1 for derived internal frequencies.
Parameters
MCLK / LRCK = 512, 256 or 128
*
The SCLK pulses shown are internal to the CS4340. N equals MCLK divided by SCLK
MCLK / LRCK = 384 or 192
*INTERNAL SCLK
*INTERNAL SCLK
Figure 12. Internal Serial Mode Input Timing
Double-Speed Mode
Figure 13. Internal Serial Clock Generation
Single-Speed Mode
*
The SCLK pulses shown are internal to the CS4340.
SDATA
SDATA
MCLK
LRCK
LRCK
(Note 7)
Symbol
1
t
t
t
sclkw
t
t
sclkr
sdlrs
Fs
Fs
sdh
sdh
t
t
sclkr
sdlrs
N
2
t
sdh
--------------------- -
(
--------------------- -
(
--------------------- -
(
512
512
384
--------------- -
SCLK
1.024
1
1
1
Min
)Fs
)Fs
)Fs
45
50
1
4
-
t
sclkw
+
+
+
10
15
15
(Note 6)
N
t
------------- -
Typ
sclkw
2
-
-
-
-
-
-
-
-
Max
25.6
100
55
50
-
-
-
-
-
CS4340
DS297F3
Units
MHz
kHz
kHz
ns
ns
ns
%
%
s
s