參數(shù)資料
型號(hào): CDB4228
廠(chǎng)商: Cirrus Logic, Inc.
元件分類(lèi): 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(yè)數(shù): 4/30頁(yè)
文件大?。?/td> 487K
代理商: CDB4228
CS4228
4
DS307PP1
CHARACTERISTICS AND SPECIFICATIONS
ANALOG CHARACTERISTICS
(Unless otherwise specified T
A
= 25°C; VA = +5V, VD = VL = +3.3V;
Full Scale Input Sine wave, 1kHz; Fs = 44.1 kHz BRM, 96 kHz HRM; Measurement Bandwidth is 20 Hz to 20 kHz;
Local components as shown in "Recommended Connection Diagram"; SPI control mode, Left Justified serial for-
mat, MCLK = 256 Fs BRM, 128 Fs HRM, SCLK = 64 Fs)
Notes: 1.
Referenced to typical full-scale differential input voltage (2 Vrms).
Filter characteristics scale with output sample rate.
The analog modulator samples the input at 5.6448 MHz for an output sample rate of 44.1 kHz. There is
no rejection of input signals which are multiples of the sampling frequency (n × 5.6448 MHz ±20.0 kHz
where n = 0,1,2,3...).
Group delay for Fs = 44.1 kHz, t
gd
= 15/44.1 kHz = 340
μ
s. Fs = sample rate.
2.
3.
4.
Specifications are subject to change without notice
Base Rate Mode
Min
Typ
High Rate Mode
Min
Typ
Parameter
Symbol
Max
Max
Units
Analog Input Characteristics
- Minimum gain setting (0 dB) Differential Input; unless otherwise specified.
ADC Resolution
Stereo Audio channels
Total Harmonic Distortion
THD
Dynamic Range
(A weighted)
(unweighted)
Total Harmonic Distortion + Noise -1dB (Note 1) THD+N
Interchannel Isolation
Interchannel Gain Mismatch
Offset Error (with high pass filter)
Full Scale Input Voltage (Differential):
Gain Drift
Input Resistance
Input Capacitance
A/D Decimation Filter Characteristics
Passband
(Note 2)
Passband Ripple
Stopband
(Note 2)
Stopband Attenuation
(Note 3)
Group Delay
(Note 4)
t
gd
Group Delay Variation vs. Frequency
t
gd
High Pass Filter Characteristics
Frequency Response: -3 dB
(Note 2)
-0.13 dB
Phase Deviation
@ 20 Hz
(Note 2)
Passband Ripple
16
-
TBD
-
-
-
-
-
-
24
-
-
-
TBD
-
-
0
16
-
TBD
TBD
-
-
-
-
24
-
-
-
TBD
-
-
0
Bits
%
dB
dB
dB
dB
dB
LSB
Vp-p
ppm/°C
k
pF
0.003
102
99
-90
90
0.1
-
5.66
100
-
-
0.003
102
99
-90
90
0.1
-
5.66
100
-
-
-
-
-
-
-
10
-
10
15
15
0.02
-
27.56
80
-
-
-
-
-
-
20.0
0.01
5617
-
-
0
0.02
-
66.53
45
-
-
-
-
-
-
40
0.05
5578
-
-
0
kHz
dB
kHz
dB
s
μ
s
15/Fs
-
15/Fs
-
-
-
-
3.4
20
10
-
-
-
-
-
-
3.4
20
10
-
-
-
Hz
Hz
Degree
-
-
0
-
-
0
dB
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