參數(shù)資料
型號: CDB4225
廠商: Cirrus Logic, Inc.
英文描述: Digital Audio Conversion System
中文描述: 數(shù)字音頻轉(zhuǎn)換系統(tǒng)
文件頁數(shù): 2/30頁
文件大?。?/td> 385K
代理商: CDB4225
ANALOG CHARACTERISTICS
( T
A
= 25
°
C; VA+, VD+ = +5V; Full Scale Input Sine wave, 1 kHz;
Word Clock = 48 kHz (PLL in use); Measurement Bandwidth is 20 Hz to 20 kHz; Local components as shown
in "Recommended Connection Diagram"; SPI mode, Format 0, unless otherwise specified.)
Parameter *
Symbol
Min
Typ
Max
Units
Analog Input Characteristics
- Minimum gain setting (0 dB); unless otherwise specified.
ADC Resolution
Audio channels
Auxiliary channel
16
12
-
-
Bits
Bits
ADC Differential Nonlinearity
-
-
±
0.9
LSB
Dynamic Range
Audio channels(A weighted):
82
85
-
dB
Total Harmonic Distortion + Noise (A weighted)
THD+N
-
-85
-82
dB
Interchannel Isolation
-
85
-
dB
Interchannel Gain Mismatch
-
-
.1
dB
Frequency Response
Audio channels(0 to 0.454 Fs):
-3.0
-
+0.2
dB
Programmable Input Gain
-0.2
-
46.7
dB
Gain Step
1.3
1.5
1.7
dB
Offset Error
-
10
-
LSB
Full Scale Input Voltage (Auxiliary and Audio channels):
2.66
2.8
2.94
V
pp
Gain Drift
-
100
-
ppm/
°
C
Input Resistance
(Note 1)
10
-
-
k
Input Capacitance
-
-
15
pF
CMOUT Output Voltage
1.9
2.1
2.3
V
Specifications are subject to change without notice.
*
Parameter definitions are given at the end of this data sheet.
Notes: 1. Input resistance is for the input selected. Non-selected inputs have a very high (>1M
) input
resistance. The input resistance will vary with gain value selected, but will always be greater
than the min. value specified.
CS4225
2
DS86PP8
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