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CS42428-CQZ 数据表(PDF) 11 Page - Cirrus Logic

部件名 CS42428-CQZ
功能描述  114 dB, 192 kHz 8-Ch Codec with PLL
Download  73 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

CS42428-CQZ 数据表(HTML) 11 Page - Cirrus Logic

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DS605F1
11
CS42428
SWITCHING CHARACTERISTICS
(For CQZ, TA = -10 to +70° C; For DQZ, TA = -40 to +85° C;
VA = 5 V, VD =VLC= 3.3 V, VLS = 1.8 V to 5.25 V; Inputs: Logic 0 = DGND, Logic 1 = VLS, CL = 30 pF)
Notes:
12. After powering-up the CS42428, RST should be held low after the power supplies and clocks are set-
tled.
13. See Table 1 on page 24 for suggested OMCK frequencies
14. Limit the loading on RMCK to 1 CMOS load if operating above 24.576 MHz.
15. Not valid when RMCK_DIV in “Clock Control (address 06h)” on page 48 is set to Multiply by 2.
16. 76.5 ns for Single-Speed and Double-Speed modes, 23 ns for Quad-Speed Mode.
Parameters
Symbol
Min
Typ
Max
Units
RST Pin Low Pulse Width
(Note 12)
1-
-
ms
PLL Clock Recovery Sample Rate Range
30
-
200
kHz
RMCK Output Jitter
(Note 14)
-
200
-
ps RMS
RMCK Output Duty Cycle
(Note 15)
45
50
55
%
OMCK Frequency
(Note 13)
1.024
-
25.600
MHz
OMCK Duty Cycle
(Note 13)
40
50
60
%
DAC_SCLK, ADC_SCLK Duty Cycle
45
50
55
%
DAC_LRCK, ADC_LRCK Duty Cycle
45
50
55
%
Master Mode
RMCK to DAC_SCLK, ADC_SCLK active edge delay
tsmd
0-
15
ns
RMCK to DAC_LRCK, ADC_LRCK delay
tlmd
0-
15
ns
Slave Mode
DAC_SCLK, ADC_SCLK Falling Edge to ADC_SDOUT,
ADC_SDOUT Output Valid
tdpd
-
(Note 16)
ns
DAC_LRCK, ADC_LRCK Edge to MSB Valid
tlrpd
-26.5
ns
DAC_SDIN Setup Time Before DAC_SCLK Rising Edge
tds
10
-
-
ns
DAC_SDIN Hold Time After DAC_SCLK Rising Edge
tdh
30
-
-
ns
DAC_SCLK, ADC_SCLK High Time
tsckh
20
-
-
ns
DAC_SCLK, ADC_SCLK Low Time
tsckl
20
-
-
ns
DAC_SCLK, ADC_SCLK falling to DAC_LRCK, SAI_LRCK
Edge
tlrck
-25
-
+25
ns
DAC_SCLK
ADC_SCLK
(output)
RM CK
t
sm d
t
lm d
DAC_LRCK
ADC_LRCK
(output)
sckh
sckl
t
t
MSB
MSB-1
tdpd
ADC_SDOUT
DAC_SDINx
dh
t
ds
t
lrpd
t
lrcks
t
lrckd
t
DAC_SCLK
ADC_SCLK
(input)
DAC_LRCK
ADC_LRCK
(input)
Figure 1. Serial Audio Port Master Mode Timing
Figure 2. Serial Audio Port Slave Mode Timing


类似零件编号 - CS42428-CQZ

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