參數(shù)資料
型號: CDB4228A
廠商: Cirrus Logic, Inc.
元件分類: Codec
英文描述: 24-Bit, 96 kHz Surround Sound Codec
中文描述: 24位96千赫環(huán)繞聲解碼器
文件頁數(shù): 6/32頁
文件大小: 518K
代理商: CDB4228A
CS4228A
6
DS511PP1
ANALOG CHARACTERISTICS
(Continued)
DIGITAL CHARACTERISTICS
Unless otherwise specified (T
A
= 25 °C; VA = VD + 5V,VL = 2.375 to
5.25V)
SWITCHING CHARACTERISTICS
(T
A
= 25°C; VA = VD + 5V,VL = 2.375 to 5.25V, C
L
30 pF)
Parameter
Audio ADC's and DAC's Sample Rate
BRM
HRM
MCLK Frequency
MCLK Duty Cycle
BRM
MCLK =128, 384 Fs
MCLK = 256, 512 Fs
HRM
MCLK = 64, 192 Fs
MCLK = 128, 256 Fs
Base Rate Mode
Min
Typ
High Rate Mode
Min
Typ
Power Supply
Power Supply Current
VA = VD = VL = 5 V
Symbol
Max
Max
Units
Operating
VA
VL
VD
Power Down: RST low, Clocks running
VA
VL
VD
-
-
-
-
-
-
-
37
0.5
85
0.5
0.2
0.5
50
42
2
99
1
0.5
1
-
-
-
-
-
-
-
37
0.5
85
0.5
0.2
0.5
50
42
2
99
1
0.5
1
mA
mA
mA
mA
mA
mA
dB
Power Supply Rejection
(1 kHz, 10 mV
rms
)
Parameter
Symbol
V
IH
V
IL
Min
0.7xVL
Max
-
0.3xVL
Units
V
V
High-level Input Voltage
Low-level Input Voltage
High-level Output Voltage at
VL = 5 V
I
0
= -2.0 mA
I
0
= -100 uA
VL = 2.5 V
I
0
= -2.0 mA
VL = 5 V
I
0
= 2.0 mA
I
0
= 100 uA
VL = 2.5 V
I
0
= -2.0 mA
(Digital Inputs)
V
OH
VL - 1.0
VL - 0.7
0.9 X VL
-
-
-
V
V
V
Low-level Output Voltage at
V
OL
-
-
-
-
-
0.4
0.2
0.4
10
10
V
V
V
μ
A
μ
A
Input Leakage Current
Output Leakage Current
(High-Impedance Digital Outputs)
Symbol
Fs
Min
30
60
3.84
Typ
-
-
-
Max
50
100
25.6
Units
kHz
kHz
MHz
TBD
40
TBD
40
50
50
50
50
TBD
60
TBD
60
%
%
%
%
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