CS4235 Datasheet, PDF (3/94 Pages) Cirrus Logic – CrystalClear Low Cost ISA Audio System

CS4235
CrystalClear ^TM Low Cost ISA Audio System
ANALOG CHARACTERISTICS (T_A = 25 °C; VA, VD1, VDF1-VDF3 = +5 V;
Input Levels: Logic 0 = 0 V, Logic 1 = VD1; 1 kHz Input Sine wave; Sample Frequency, Fs = 44.1 kHz;
Measurement Bandwidth is 20 Hz to 20 kHz, 16-bit linear coding.)
Parameter*
CS4235-JQ
Symbol Min Typ Max
CS4235-KQ
Min Typ Max
Units
Analog Input Characteristics (A-D-PC) - Volume set to 0 dB unless otherwise specified.
ADC1 Resolution
(Note 1)
16 -
-
16
-
ADC1 Differential Nonlinearity
(Note 1)
-
- ±0.5
-
-
Frequency Response:
Ac = ±1 dB FR - -
-
20
Dynamic Range
AUX1, AUX2 DR - -80 -
(Note 2) MIC
- -75 -
-80 -85
-72 -80
Total Harmonic Distortion+Noise AUX1, AUX2 THD+N - -66 -
-3 dB FS input
(Note 2) MIC
- -66 -
-75 -80
-72 -80
Interchannel Isolation (Note 1): Left to Right
10 kHz input
AUX1/2 to MIC
AUX1 to AUX2
- -80 -
- -80 -
- -80 -
-70 -80
-
-80
-
-90
Interchannel Gain Mismatch
AUX1, AUX2
MIC
-
- ±0.5
-
-
-
- _±0.5
-
-
ADC1 Offset Error
0 dB Gain
--
-
-
±10
Full Scale Input Voltage:
(MGE/MBST=1) MIC
(MGE/MBST=0) MIC
AUX1, AUX2, MIN
0.25 0.28 -
2.5 2.8 -
2.5 2.8 -
0.25 0.28
2.5 2.8
2.5 2.8
Gain Drift
- ±100 -
- ±100
Input Resistance (Note 1):
MIC
AUX1, AUX2, MIN
8 11 -
20 23 -
8
11
20
23
Input Capacitance
(Note 1)
- - 15
-
-
Notes: 1. This specification is guaranteed by characterization, no production testing.
2. MGE or MBST = 1 (see WSS Indirect Reg I0 or X2).
-
Bits
±0.5 LSB
19000 Hz
- dB FS A
- dB FS A
- dB FS A
- dB FS A
-
dB
-
dB
-
dB
±0.5 dB
±0.5
dB
±200 LSB
-
Vpp
-
Vpp
-
V_pp
- ppm/°C
-
kΩ
-
kΩ
15
pF
*Parameter definitions are given at the end of this data sheet.
Specifications are subject to change without notice.
DS252PP2
3