CS4327 Datasheet, PDF (2/36 Pages) Cirrus Logic – Low Cost, 20-Bit, Stereo, Audio D/A Converter

CS4327
ANALOG CHARACTERISTICS (T_A = 25 °C; Internal SCLK; Full-Scale Output Sine wave, 997 Hz;
12.288 MHz MCLK; Fs = 48 kHz; Input Data = 20 Bits; SCLK = 3.072 MHz; R_L = 10 kΩ; VD+ = VA+ = 5 V;
Logic 1 = VD+, Logic 0 = DGND; Measurement Bandwidth is 10 Hz to 20 kHz, unweighted, unless otherwise spec-
ified.)
Parameter
Symbol
Specified Temperature Operating Range
T_A
Dynamic Performance
Dynamic Range
20-Bit
18-Bit
16-Bit
(Note 1)
(A-Weighted)
(A-Weighted)
(A-Weighted)
Total Harmonic Distortion + Noise
20-Bit
18-Bit
16-Bit
(Note 1)
0 dB
-20 dB
-60 dB
0 dB
-20 dB
-60 dB
0 dB
-20 dB
-60 dB
THD+N
Idle Channel Noise / Signal-to-Noise-Ratio
(Note 2)
Interchannel Isolation
(1 kHz)
Combined Digital and Analog Filter Characteristics
Frequency Response 10 Hz to 20 kHz
Fs = 48 kHz
Deviation from linear phase
Passband: to -0.1 dB corner
Passband Ripple
StopBand
StopBand Attenuation
Group Delay
(Note 3)
De-emphasis Error
Min
-10
93
96
-
-
-
-
-87
-
-33
-
-
-
-
-
-
-
-
-
-
0
-
0.5465
72
-
-
Typ
-
97
100
97
100
93
95
-93
-77
-37
-93
-77
-37
-93
-77
-37
108
-105
±0.1
±0.5
-
-
-
-
25/Fs
-
Max
70
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.4535
±0.002
-
-
-
±0.2
Unit
°C
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBFS
dB
dB
deg
Fs
dB
Fs
dB
s
dB
Notes: 1. Triangular PDF Dithered Data
2. Auto-mute enabled. See parameter definitions.
3. Group Delay for Fs = 48 kHz
25/48 kHz = 520 µs
2
DS190F1