cs4237b Cirrus Logic, Inc., cs4237b Datasheet - Page 6

• Manufacturer Part Number: cs4237b
• Description: Crystalclear Advanced Audio System With 3d Sound
• Manufacturer: Cirrus Logic, Inc.

DIGITAL CHARACTERISTICS
AGND, DGND1, SGND1-SGND4 = 0V.)
Note
6
Passband
Frequency Response
Passband Ripple
Transition Band
Stop Band
Stop Band Rejection
Group Delay
Group Delay Variation vs. Frequency
High-level Input Voltage
Low-level Input Voltage
High-level Output Voltage:
Low-level Output Voltage:
Input Leakage Current
Output Leakage Current
DIGITAL FILTER CHARACTERISTICS
6. Open Collector pins. High level output voltage dependent on external pull up (required) used and
number of peripherals (gates) attached.
ISA Bus Pins (except DRQA)
Parameter
Parameter
DRQA
IOCHRDY, SDA/XD0 (Note 6)
All Others
ISA Bus Pins
IOCHRDY
All Others
(High-Z Digital Outputs)
Stereo ADPCM format
Mono ADPCM format
8- and 16-bit formats
(T
A
(Digital Inputs)
I 0 = -24.0 mA
I 0 = -24.0 mA
I 0 = 24.0 mA
I 0 = 18.0 mA
Digital Inputs
= 25°C ; VA, VDF1-VDF4 = 5V, VD1 = 5V/3V;
I 0 = -1.0 mA
I 0 = 8.0 mA
I 0 = 4.0 mA
(0-0.40xFs)
XTALI
ADCs
DACs
(Note 1)
Symbol
Symbol
V
V
V
V
OH
OL
IH
IL
0.40xFs
0.60xFs
Min
-1.0
74
VD-1.0
0
-
-
-
-
-
-
Min
2.0
2.4
2.4
2.4
2.4
-10
-10
-
-
-
-
-
Typ
-
-
-
-
-
-
-
-
-
-
-
Max
VD1
VDF
VDF
VDF
0.55
0.8
0.4
0.4
0.4
10
10
0.40xFs
0.60xFs
-
-
0.1/Fs
10/Fs
14/Fs
18/Fs
Max
+0.5
0.0
0.1
-
-
CS4237B
DS213PP4
Units
Units
Hz
dB
dB
Hz
Hz
dB
V
V
V
V
V
V
V
V
V
V
V
s
s
s
A
A
s
s