Cirrus Logic CS4373A - Manual (Page 10)

CS4373A
10 DS699F2
DC DIFFERENTIAL MODE 5
Notes: 19. DC differential output is chopper stabilized and includes low-level 32 kHz out-of-band noise which is
rejected by the digital filter during acquisition.
Parameter Symbol Min Typ Max Unit
DC Differential Mode Characteristics
Full-scale Differential DC Output 1/1
( Note 19 ) 1/2
1/4
1/8
1/16
1/32
1/64
VDC
FS
-
-
-
-
-
-
- 2.5
1.25
625
312.5
156.25
78.125
39.0625
-
-
-
-
-
-
- V
V
mV
mV
mV
mV
mV
DC Differential Accuracy
Full-scale Accuracy 1/1
( Note 3, 11 )
VDC
ABS
- 1.0 - 0.4 0.2 %FS
Relative Accuracy 1/2
( Note 12 ) 1/4
1/8
1/16
1/32
1/64
VDC
REL
- 0.2
-
-
-
-
-
± 0.1
± 0.1
-0.1 ± 0.4
-0.2 ± 0.9
-0.5 ± 1.7
-1.0 ± 3.6
0.2
-
-
-
-
-
%
%
%
%
%
%
Full-scale Drift ( Note 14 ) VDC
TC
- 25 - µV/°C
DC Common Mode Characteristics
Common Mode ( Note 13 ) VDC
CM
- (VA-)+2.35 - V
Common Mode Drift ( Note 13, 14 ) VDC
CMTC
- 300 -
µV/°C
Noise
Noise (OUT ± Unloaded) 1/1 -> 1x
( Note 15 , 19 ) 1/2 -> 2x
1/4 -> 4x
1/8 -> 8x
1/16 -> 16x
1/32 -> 32x
1/64 -> 64x
N
OUT
-
-
-
-
-
-
- 9
9
9
9
10
11
15
-
-
-
-
-
-
- µV
rms
µV
rms
µV
rms
µV
rms
µV
rms
µV
rms
µV
rms
Noise (BUF ± Unloaded, 1 k Ω Load) 1/1 -> 1x
( Note 15 , 16, 19 ) 1/2 -> 2x
1/4 -> 4x
1/8 -> 8x
1/16 -> 16x
1/32 -> 32x
1/64 -> 64x
N
BUF
-
-
-
-
-
-
- 10
12
18
32
67
122
265
-
-
-
-
-
-
-
µV
rms
µV
rms
µV
rms
µV
rms
µV
rms
µV
rms
µV
rms