CS4270 Datasheet, PDF (15/48 Pages) Cirrus Logic – 24-Bit, 192 kHz Stereo Audio CODEC

CS4270
Passband Ripple
Filter Settling Time
Parameter
Symbol Min Typ Max Unit
-
-
0
dB
10⁵/Fs
s
11. Plots of this data are contained in Section 11. “Appendix” on page 42. See Figures 43 through 54.
12. The filter frequency response scales precisely with Fs.
13. Response shown is for Fs equal to 48 kHz. Filter characteristics scale with Fs.
DC ELECTRICAL CHARACTERISTICS
(T_A = 25° C; AGND=DGND=0, all voltages with respect to ground; MLCK=12.288 MHz; Master Mode)
Parameter
Symbol Min
Power Supply
Power Supply Current
(Normal Operation)
VA = 5 V I_A
-
VA = 3.3 V I_A
-
VD, VLC = 5 V I_D
-
VD, VLC = 3.3 V I_D
-
Power Supply Current
(Power-Down Mode) (Note 14)
VA = 5 V I_A
-
VD, VLC = 5 V I_D
-
Power Consumption
VA = 5 V, VD = VLC= 3.3 V
Normal Operation
-
-
VA = 5 V, VD = VLC = 5 V
Normal Operation
-
-
Power-Down Mode (Note 14)
-
-
Power Supply Rejection Ratio (1 kHz)
(Note 15) PSRR
-
Common Mode Voltage
Nominal Common Mode Voltage
VQ
-
Maximum DC Current Source/Sink from VQ
-
VQ Output Impedance
-
Positive Voltage Reference
FILT+ Nominal Voltage
FILT+
-
Maximum DC Current Source/Sink from FILT+
-
FILT+ Output Impedance
-
Mute Control
MUTEA, MUTEB Low-Level Output Voltage
-
MUTEA, MUTEB High-Level Output Voltage
-
Maximum MUTEA & MUTEB Drive Current
-
Typ
Max
31
40
27
35
29
38
20
29
1.51
-
0.45
-
221
296
255
-
9.8
323
60
-
VA/2
-
1
-
25
-
VA
-
10
-
18
-
0
-
VA
-
3
-
Unit
mA
mA
mA
mA
mA
mA
mW
mW
mW
dB
VDC
µA
kΩ
VDC
µA
kΩ
V
V
mA
14. Power Down Mode is defined as RST = Low with all clocks and data lines held static.
15. Valid with the recommended capacitor values on FILT+ and VQ as shown in the Typical Connection Dia-
gram.
DS686A1
15