Cirrus Logic CS4373A - Manual (Page 11)

CS4373A
DS699F2 11
AC COMMON MODE 6
Notes: 20. No AC common mode signal is output at 1/64 attenuation due to the attenuator architecture.
21. Common mode mean is defined as [(SIG
max
) + (SIG
min
)] / 2.
Parameter Symbol Min Typ Max Unit
AC Common Mode Characteristics
Full-scale Common Mode AC Output 1/1
( Note 20 ) 1/2
1/4
1/8
1/16
1/32
VCM
FS
-
-
-
-
-
- 2.5
1.25
625
312.5
156.25
78.125
-
-
-
-
-
- V
pp
V
pp
mV
pp
mV
pp
mV
pp
mV
pp
Full-scale Bandwidth ( Note 8) VCM
BW
- - 100 Hz
Impulse Amplitude ( Note 8, 10 ) VCM
IMP
- - -20 dBfs
AC Common Mode Accuracy
Common Mode Match (OUT ± Unloaded)
( Note 17 , 20 )
VCM
CMM
- -115 -105 dB
Common Mode Match (BUF ± Unloaded, 1 k Ω Load)
( Note 16 , 17, 20 )
VCM
CMM
- -95 -85 dB
Full-scale Accuracy 1/1
( Note 3 , 11 )
VAC
ABS
- - 0.3 - %FS
Relative Accuracy 1/2
( Note 12, 20 ) 1/4
1/8
1/16
1/32
VAC
REL
-
-
-
-
- - 0.1
- 0.5
- 1.0
-2.0
-5.0
-
-
-
-
- %
%
%
%
%
Full-scale Drift ( Note 14 ) VCM
TC
- 25 -
µV/°C
DC Common Mode Characteristics
Common Mode Mean ( Note 21) VCM
CM
- (VA-)+2.35 - V
Common Mode Mean Drift ( Note 14, 21 ) VCM
CMTC
- 300 -
µV/°C