CS4239 Datasheet, PDF (5/98 Pages) Cirrus Logic – CrystalClear™ Portable ISA Audio System

CS4239
CrystalClear^TM Portable ISA Audio System
MIXERS (TA = 25 °C; VA, VD1, VDF1-VDF3 = +5 V; Input Levels: Logic 0 = 0 V, Logic 1 = VD1;
1 kHz Input Sine wave, Measurement Bandwidth is 20 Hz to 20 kHz.)
CS4239-JQ
CS4239-KQ
Parameter*
Symbol Min Typ Max Min Typ Max Units
Mixer Gain Range Span
AUX1, AUX2
MIC
Hardware Master
DAC1, DAC2
- - - 42 45
-
dB
- - - 40 45
-
dB
- - - 75 86
-
dB
- - - 85 94.4 -
dB
Step Size
MIC, AUX1, AUX2
Hardware Master
DAC1, DAC2
- - - 1.3 1.5 1.7
dB
- - - 1.6 2.0 2.4
dB
- - - 0.9 1.5 2.0
dB
Frequency Response Ac = ±1 dB (Notes 1,3) FR - - - 20
(A-A)
20000 Hz
Dynamic Range:
(A-A)
(Notes 1,3) DR - -88 - -90 -97 - dB FS A
Total Harmonic Distortion+Noise
(Notes 1,3) THD+N - -85 - -85 90
(A-A)
-3 dB FS input
- dB FS A
RECOMMENDED OPERATING CONDITIONS
(AGND, DGND, SGND = 0 V, all voltages with respect to 0 V.)
Parameter
Symbol Min
Typ
Max Units
Power Supplies:
Digital
Digital Filtered
Analog
VD1
4.75
5.0
5.25 V
(Note 5)
3.0
3.3
3.6
V
VDF1-VDF3 4.75
5.0
5.25 V
VA
4.75
5.0
5.25 V
Operating Ambient Temperature
TA
0
25
70
°C
Note 5. When VD1 is powered from 3.3 Volts, all ISA bus input pins connected to the CS4239 must also be
3.3 Volts.
DS253PP2
5