CS4225
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
ADC Differential Nonlinearity
Dynamic Range
Audio channels(A weighted):
THD+N
Audio channels
Auxiliary channel
16
12
-
82
-
-
-
Audio channels(0 to 0.454 Fs):
-3.0
-0.2
1.3
-
2.66
-
(Note 1)
10
-
1.9
-
-
85
-85
85
-
-
-
1.5
10
2.8
100
-
-
2.1
-
±0.9
-
-82
-
.1
+0.2
46.7
1.7
-
2.94
-
-
15
2.3
Bits
Bits
LSB
dB
dB
dB
dB
dB
dB
dB
LSB
V
pp
ppm/°C
kΩ
pF
V
Total Harmonic Distortion + Noise (A weighted)
Interchannel Isolation
Interchannel Gain Mismatch
Frequency Response
Programmable Input Gain
Gain Step
Offset Error
Full Scale Input Voltage (Auxiliary and Audio channels):
Gain Drift
Input Resistance
Input Capacitance
CMOUT Output Voltage
Notes: 1. Input resistance is for the input selected. Non-selected inputs have a very high (>1MΩ) input
resistance. The input resistance will vary with gain value selected, but will always be greater
than the min. value specified.
*
Parameter definitions are given at the end of this data sheet.
Specifications are subject to change without notice.
2
DS86PP8
CIRRUS [ CIRRUS LOGIC ]
