CS4237B Datasheet, PDF (5/114 Pages) Cirrus Logic – CrystalClear Advanced Audio System with 3D Sound

CS4237B
MIXERS (T_A = 25 °C; VA, VD1, VDF1-VDF4 = +5V; Input Levels: Logic 0 = 0V, Logic 1 = VD1;
1 kHz Input Sine wave, Measurement Bandwidth is 20 Hz to 20 kHz - unweighted.)
Parameter*
Mixer Gain Range Span
LINE, AUX1, AUX2
MIC, MIN
Hardware Master
(Digital)
Wavetable, Monitor, PC Wave, DSP, FM
Step Size
(Digital)
MIC, LINE, AUX1, AUX2
MIN
Hardware Master
Wavetable, Monitor, PC Wave, DSP, FM
Dynamic Range
(Analog Mixers)
-Total
-Instantaneous
Total Harmonic Distortion
(Analog Mixers)
(Note 3)
CS4237B-JQ
Min Typ Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
88
-
- 0.005 -
CS4237B-KQ
Min Typ Max
45 46.5 -
42 45
-
44 48
-
90 94.4 -
1.3 1.5 1.7
2.3 3.0 3.7
1.6 2.0 2.4
0.9 1.5 2.0
- 94.5 -
-
91
-
- 0.002 -
Units
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ABSOLUTE MAXIMUM RATINGS (AGND, DGND, SGND = 0V, all voltages with respect to 0V.)
Parameter
Symbol
Power Supplies:
Total Power Dissipation
Digital VD1
VDF1-VDF4
Analog VA
(Supplies, Inputs, Outputs)
Input Current per Pin
Output Current per Pin
Analog Input Voltage
(Except Supply Pins)
(Except Supply Pins)
Digital Input Voltage:
SA<11:0>, IOR, IOW, AEN
SD<7:0>, DACK<A:C>
Min
-0.3
-0.3
-0.3
-
-10.0
-50
-0.3
-0.3
Max
6.0
6.0
6.0
1
+10.0
+50
VA+0.3
Units
V
V
V
W
mA
mA
V
VD1+0.3
V
All other digital inputs
-0.3
VDF+0.3 V
Ambient Temperature
(Power Applied)
-55
+125
°C
Storage Temperature
-65
+150
°C
Warning: Operation beyond these limits may result in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
RECOMMENDED OPERATING CONDITIONS (AGND, DGND, SGND = 0V,
all voltages with respect to 0V.)
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-VDF4 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, except DRQA, must also be 3.3 Volts.
DRQA is internally powered from the VDF supply and must have a 5 Volt interface. To use DRQA in
a 3.3 Volt application, a level translator is needed.
DS213PP4
5