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CS8420-CSZ 数据表(PDF) 8 Page - Cirrus Logic

部件名 CS8420-CSZ
功能描述  DIGITAL AUDIO SAMPLE RATE CONVERTER
PDF  94 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

CS8420-CSZ 数据表(HTML) 8 Page - Cirrus Logic

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8
DS245F4
CS8420
DIGITAL INPUT CHARACTERISTICS
DIGITAL INTERFACE SPECIFICATIONS
AGND = DGND = 0 V; all voltages with respect to 0 V.
TRANSMITTER CHARACTERISTICS
SWITCHING CHARACTERISTICS
Inputs: Logic 0 = 0 V, Logic 1 = VD+; CL = 20 pF.
5.
Cycle-to-cycle jitter using 32-96 kHz external PLL components.
6.
PLL is bypassed (RXD1:0 bits in the Clock Source Control register set to 10b), clock is input to the RMCK
pin.
Parameters
Symbol
Min
Typ
Max
Units
Input Leakage Current
Iin
-±10
±15
μA
Differential Input Voltage, RXP to RXN
VTH
200
-
-
mVpp
Parameters
Symbol
Min
Max
Units
High-Level Output Voltage (IOH = -3.2 mA), except TXP/TXN
VOH
(VD+) - 1.0
-
V
Low-Level Output Voltage (IOH = 3.2 mA), except TXP/TXN
VOL
-0.4
V
High-Level Output Voltage (IOH = -21 mA), TXP, TXN
(VD+) - 0.7
-
V
Low-Level Output Voltage (IOH = 21 mA), TXP, TXN
-
0.7
V
High-Level Input Voltage, except RXP, RXN
VIH
2.0
(VD+) + 0.3
V
Low-Level Input Voltage, except RXP, RXN
VIL
-0.3
0.8
V
Parameters
Symbol
Typ
Units
TXP Output Resistance
RTXP
25
Ω
TXN Output Resistance
RTXN
25
Ω
Parameter
Symbol
Min
Typ
Max
Units
RST pin Low Pulse Width
200
-
-
μs
OMCK Frequency for OMCK = 512 * Fso
4.096
-
55.3
MHz
OMCK Low and High Width for OMCK = 512 * Fso
8.2
-
-
ns
OMCK Frequency for OMCK = 384 * Fso
3.072
-
41.5
MHz
OMCK Low and High Width for OMCK = 384 * Fso
12.3
-
-
ns
OMCK Frequency for OMCK = 256 * Fso
2.048
-
27.7
MHz
OMCK Low and High Width for OMCK = 256 * Fso
16.4
-
-
ns
PLL Clock Recovery Sample Rate Range
8.0
-
108.0
kHz
RMCK output jitter
(Note 5)
-200
-
ps RMS
RMCK output duty cycle
40
50
60
%
RMCK Input Frequency
(Note 6)
2.048
-
27.7
MHz
RMCK Input Low and High Width
(Note 6)
16.4
-
-
ns
AES3 Transmitter Output Jitter
-
-
1
ns



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