CS8427-IS Просмотр технического описания (PDF) - Cirrus Logic
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CS8427-IS Datasheet PDF : 59 Pages
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CS8427
DC ELECTRICAL CHARACTERISTICS (AGND = DGND = 0 V; all voltages with respect to 0 V.)
Parameters
Symbol Min Typ Max Units
Power-down Mode (Note 3)
Supply Current in power down
VA+
VL+ = 3.3 V
VL+ = 5.0 V
-
20
-
µA
-
60
-
µA
-
60
-
µA
Normal Operation (Note 4)
Supply Current at 48 kHz frame rate
VA+
VL+ = 3.3 V
VL+ = 5.0 V
-
6.3
-
mA
-
30.1
-
mA
-
46.5
-
mA
Supply Current at 96 kHz frame rate
VA+
VL+ = 3.3 V
VL+ = 5.0 V
-
6.6
-
mA
-
44.8
-
mA
-
76.6
-
mA
Notes: 3. Power Down Mode is defined as RST = LO with all clocks and data lines held static.
4. Normal operation is defined as RST = HI.
DIGITAL INPUT CHARACTERISTICS
Parameters
Input Leakage Current
Differential Input Voltage, RXP0 to RXN
Symbol Min Typ Max Units
Iin
-
±1
±10
µA
VTH
-
200
-
mV
DIGITAL INTERFACE SPECIFICATIONS (AGND = DGND = 0 V; all voltages with respect to 0 V.)
Parameters
Symbol
Min
Max
Units
High-Level Output Voltage (IOH = -3.2 mA), except TXP/TXN
VOH (VL+) - 1.0
-
V
Low-Level Output Voltage (IOH = 3.2 mA), except TXP/TXN
VOL
-
0.4
V
High-Level Output Voltage, TXP, TXN (23 mA at VL+ = 5.0 V)
(15.2 mA at VL+ = 3.3 V)
(VL+) - 0.7
-
V
(VL+) - 0.7
-
V
Low-Level Output Voltage, TXP, TXN (23 mA at VL+ = 5.0 V)
(15.2 mA at VL+ = 3.3 V)
-
0.7
V
-
0.7
V
High-Level Input Voltage, except RXP, RXN
Low-Level Input Voltage, except RXP, RXN
VIH
(Note 5) VIL
2.0 (VL+) + 0.3 V
-0.3
0.4/0.8
V
Notes: 5. At 5.0 V mode, VIL = 0.8 V (Max), at 3.3 V mode, VIL =0.4 V (Max).
TRANSMITTER CHARACTERISTICS
Parameters
Symbol Min Typ Max Units
TXP Output Resistance
VL+ = 5.0 V RTXP
-
26
-
Ω
VL+ = 3.3 V
-
40
-
Ω
TXN Output Resistance
VL+ = 5.0 V RTXN
-
26
-
Ω
VL+ = 3.3 V
-
40
-
Ω
6
DS477F1
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