CS4228A Datasheet, PDF (6/32 Pages) Cirrus Logic – 24-Bit, 96 kHz Surround Sound Codec

CS4228A
ANALOG CHARACTERISTICS (Continued)
Power Supply
Base Rate Mode
Symbol Min Typ Max
Power Supply Current
Operating
VA = VD = VL = 5 V
VA
VL
VD
Power Down: RST low, Clocks running
VA
VL
VD
Power Supply Rejection
(1 kHz, 10 mV_rms)
-
37 42
- 0.5 2
-
85 99
- 0.5 1
- 0.2 0.5
- 0.5 1
-
50
-
High Rate Mode
Min Typ Max
-
37 42
- 0.5 2
-
85 99
- 0.5 1
- 0.2 0.5
- 0.5 1
50
Units
mA
mA
mA
mA
mA
mA
dB
DIGITAL CHARACTERISTICS Unless otherwise specified (T_A = 25 °C; VA = VD + 5V,VL = 2.375 to
5.25V)
Parameter
High-level Input Voltage
Low-level Input Voltage
High-level Output Voltage at
Low-level Output Voltage at
Input Leakage Current
VL = 5 V
I₀ = -2.0 mA
I₀ = -100 uA
VL = 2.5 V
I₀ = -2.0 mA
VL = 5 V
I₀ = 2.0 mA
I₀ = 100 uA
VL = 2.5 V
I₀ = -2.0 mA
(Digital Inputs)
Output Leakage Current (High-Impedance Digital Outputs)
Symbol
V_IH
V_IL
V_OH
V_OL
Min
0.7xVL
VL - 1.0
VL - 0.7
0.9 X VL
-
-
-
-
-
Max
-
0.3xVL
Units
V
V
-
V
-
V
-
V
0.4
V
0.2
V
0.4
V
10
µA
10
µA
SWITCHING CHARACTERISTICS (T_A = 25°C; VA = VD + 5V,VL = 2.375 to 5.25V, C_L 30 pF)
Parameter
Symbol
Min
Typ Max Units
Audio ADC's and DAC's Sample Rate
BRM Fs
30
-
50
kHz
HRM
60
-
100
kHz
MCLK Frequency
3.84
-
25.6 MHz
MCLK Duty Cycle
BRM
MCLK =128, 384 Fs
MCLK = 256, 512 Fs
HRM
MCLK = 64, 192 Fs
MCLK = 128, 256 Fs
TBD
40
TBD
40
50
TBD
%
50
60
%
50
TBD
%
50
60
%
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DS511PP1