CS4231A Datasheet, PDF (3/76 Pages) List of Unclassifed Manufacturers – PARALLEL INTERFACE MULTIMEDIA AUDIO CODEC

CS4231A
ANALOG CHARACTERISTICS (T_A = 25 °C; VA1, VA2, VD1-VD4 = +5V;
Input Levels: Logic 0 = 0V, Logic 1 = VD1-VD4; 1 kHz Input Sine wave; Conversion Rate = 48 kHz;
Measurement Bandwidth is 10 Hz to 20 kHz, 16-bit linear coding.)
Parameter*
Symbol Min
Typ
Analog Input Characteristics - Minimum Gain Setting (0dB); unless otherwise specified.
ADC Resolution
(Note 1)
16
ADC Differential Nonlinearity
(Note 1)
Instantaneous Dynamic Range
Line Inputs IDR
80
85
(Note 2) Mic Inputs
72
77
Total Harmonic Distortion
Line Inputs THD
Mic Inputs
0.006
0.01
Signal-to-Intermodulation Distortion
90
Interchannel Isolation
Line to Line Inputs
80
Line to Mic Inputs
80
Line-to-AUX1
90
Line-to-AUX2
90
Interchannel Gain Mismatch
Line Inputs
Mic Inputs
Programmable Input Gain Span
Line Inputs
21.5
22.5
Gain Step Size
1.3
1.5
ADC Offset Error
0 dB gain
10
Full Scale Input Voltage:
(MGE=1) MIC Inputs
(MGE=0) MIC Inputs
LINE, AUX1, AUX2, MIN Inputs
0.266 0.29
2.66
2.9
2.66
2.9
Gain Drift
100
Input Resistance
(Note 1)
20
Input Capacitance
(Note 1)
Notes: 1. This specification is guaranteed by characterization, no production testing.
2. MGE = 1 and a 10 µF capacitor on the VREF pin.
Max Units
±0.5
0.02
0.025
0.5
0.5
1.7
100
0.31
3.1
3.1
15
Bits
LSB
dB
dB
%
%
dB
dB
dB
dB
dB
dB
dB
dB
dB
LSB
Vpp
V_pp
Vpp
ppm/°C
kΩ
pF
*Parameter definitions are given at the end of this data sheet.
Windows and Windows Sound System are registered trademarks of Microsoft Corporation.
Specifications are subject to change without notice.
DS139PP2
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