CDB5381 Просмотр технического описания (PDF) - Cirrus Logic
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CDB5381 Datasheet PDF : 24 Pages
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SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT
(Logic “0” = GND = 0 V; Logic “1” = VL, CL = 20 pF)
Parameter
Symbol Min
Typ
Output Sample Rate
Single-Speed Mode Fs
2
-
Double-Speed Mode
Fs
50
-
Quad-Speed Mode
Fs
100
-
OVFL to LRCK Edge Setup Time
OVFL to LRCK Edge Hold Time
tsetup
16/fsclk
-
thold
1/fsclk
-
OVFL time-out on overrange condition
Fs = 44.1, 88.2, 176.4 kHz
Fs = 48, 96, 192 kHz
-
740
-
680
MCLK Specifications
MCLK Period
MCLK Duty Cycle
tclkw
36
-
40
-
Master Mode
SCLK falling to LRCK transition
SCLK falling to SDOUT valid
SCLK Duty Cycle
tmslr
-20
-
tsdo
-
-
-
50
Slave Mode
Single-Speed
Output Sample Rate
Fs
2
-
LRCK Duty Cycle
40
50
SCLK Period
SCLK Duty Cycle
tsclkw
145
-
45
50
SDOUT valid before SCLK rising
SDOUT valid after SCLK rising
SCLK falling to LRCK transition
Double-Speed
tstp
10
-
thld
5
-
tslrd
-20
-
Output Sample Rate
Fs
50
-
LRCK Duty Cycle
40
50
SCLK Period
SCLK Duty Cycle
tsclkw
145
-
45
50
SDOUT valid before SCLK rising
SDOUT valid after SCLK rising
SCLK falling to LRCK transition
Quad-Speed
tstp
10
-
thld
5
-
tslrd
-20
-
Output Sample Rate
Fs
100
-
LRCK Duty Cycle
40
50
SCLK Period
SCLK Duty Cycle
tsclkw
72
-
45
50
SDOUT valid before SCLK rising
SDOUT valid after SCLK rising
SCLK falling to LRCK transition
tstp
10
-
thld
5
-
tslrd
-8
-
10
CS5381
Max
Unit
54
kHz
108
kHz
216
kHz
-
s
-
s
-
ms
-
ms
1953
ns
60
%
20
ns
32
ns
-
%
54
kHz
60
%
-
ns
55
%
-
ns
-
ns
20
ns
108
kHz
60
%
-
ns
55
%
-
ns
-
ns
20
ns
216
kHz
60
%
-
ns
55
%
-
ns
-
ns
8
ns
DS563F2
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