CS42448-CQZR Cirrus Logic Inc, CS42448-CQZR Datasheet - Page 23

• Manufacturer Part Number: CS42448-CQZR
• Description: IC,Soundcard Circuits,CMOS,QFP,64PIN,PLASTIC
• Manufacturer: Cirrus Logic Inc

DS648F2
DC ELECTRICAL CHARACTERISTICS
(AGND = 0 V; all voltages with respect to ground.)
Notes:
DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS
Notes:
Normal Operation
Power Supply Current
Power Dissipation
Power Supply Rejection Ratio
(Note 27)
Power-Down Mode
Power Dissipation
VQ Characteristics
Nominal Voltage
Output Impedance
DC Current Source/Sink
FILT+_ADC Nominal Voltage
FILT+_DAC Nominal Voltage
High-Level Output Voltage at I
Low-Level Output Voltage at I
High-Level Input Voltage
Low-Level Input Voltage
Leakage Current
Input Capacitance
MUTEC Drive Current
25. Normal operation is defined as RST = HI with a 997 Hz, 0 dBFS input to the DAC and AUX port, and a
26. I
27. Valid with the recommended capacitor values on FILT+ and VQ. Increasing the capacitance will also
28. Power-Down Mode is defined as RST = LO with all clocks and data lines held static and no analog input.
29. Guaranteed by design. The DC current draw represents the allowed current draw from the VQ pin due
30. See
1 kHz, -1 dB analog input to the ADC port sampled at the highest F
are open, unless otherwise specified.
increase the PSRR.
to typical leakage through the electrolytic de-coupling capacitors.
DT
measured with no external loading on pin 64 (SDA).
“Digital I/O Pin Characteristics” on page 8
(Note 22)
(Note 25)
Parameters
(Note 28)
(Note 29)
Parameters
o
o
=2 mA
=2 mA
(Note 30)
VLS = VLC = VD = 3.3 V
All Supplies = VA = 5 V
All Supplies = 5 V
Control Port
Control Port
Control Port
Control Port
Serial Port
Serial Port
Serial Port
Serial Port
MUTEC
MUTEC
VA = 5.0 V
for serial and control port power rails.
(Note 26)
60 Hz
1 kHz
Symbol
V
V
V
V
I
OH
OL
in
IH
IL
Symbol
PSRR
I
I
DT
A
0.7xVLS
0.7xVLC
VLC-1.0
VLS-1.0
VA-1.0
Min
s
-
-
-
-
-
-
-
-
for each speed mode. DAC outputs
Min
-
-
-
-
-
-
-
-
-
-
-
0.5•VA
Typ
60.6
1.25
Typ
600
VA
VA
3
80
60
40
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-
-
-
-
-
-
-
-
-
-
-
-
-
0.2xVLC
0.2xVLS
Max
850
10
Max
-
-
-
-
-
-
-
-
-
±10
0.4
0.4
0.4
10
-
-
-
-
-
-
CS42448
Units
mW
mW
mA
mA
kΩ
μA
dB
dB
Units
V
V
V
mA
μA
pF
V
V
V
V
V
V
V
V
V
V
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