LTC2431 Linear Technology, LTC2431 Datasheet - Page 7

• Manufacturer Part Number: LTC2431
• Description: (LTC2430 / LTC2431) 20-Bit No Latency Delta-Sigma ADCs
• Manufacturer: Linear Technology

TYPICAL PERFOR A CE CHARACTERISTICS
–0.2
–0.4
–0.6
–0.8
–1.0
3.4
3.2
2.8
2.6
2.4
1.0
0.8
0.6
0.4
0.2
3.0
2.4
3.0
3.4
3.2
2.8
2.6
0
2.7
–1
0
RMS Noise vs V
Offset Error vs V
RMS Noise vs V
V
REF
V
V
F
T
REF
REF
V
V
F
T
O
O
CC
IN
INCM
A
A
IN
INCM
= GND
= 25 C
= GND
= 25 C
3.1
–
= 0V
= 0V
+
–
= 5V
0
= GND
= V
= GND
= GND
= GND
1
CC
3.5
1
2
3.9
V
V
2
V
INCM
REF
CC
REF
INCM
CC
(V)
(V)
4.3
(V)
3
3
4.7
V
REF
REF
V
V
F
T
4
O
A
CC
IN
INCM
W
= GND
= 25 C
= 0V
+
–
4
= 5V
= 5V
= GND
5.1
= GND
5
24301 G17
24301 G11
24301 G14
U
5.5
5
6
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
3.4
3.2
3.0
2.8
2.6
2.4
–2
–3
–4
–5
–1
0
5
4
3
2
1
0
–50
–1
0
RMS Noise vs Temperature (T
Offset Error vs V
Offset Error vs V
V
REF
V
V
F
T
V
V
V
V
F
V
REF
REF
V
F
T
O
O
O
CC
IN
INCM
A
CC
REF
IN
INCM
A
CC
IN
= GND
= 25 C
= GND
= GND
= 25 C
–
= 0V
= 0V
= 0V
+
–
= 5V
= 5V
= 5V
0
–25
= 5V
= GND
= 5V
= GND
= GND
= GND
1
1
TEMPERATURE ( C)
0
2
V
2
V
INCM
REF
INCM
REF
25
(V)
(V)
3
3
50
4
4
75
5
24301 G15
24301 G18
24301 G12
A
)
100
6
5
LTC2430/LTC2431
–0.2
–0.4
–0.6
–0.8
–1.0
–20
–10
3.0
2.4
3.4
3.2
2.8
2.6
1.0
0.8
0.6
0.4
0.2
20
10
0
0
–45
–45
2.7
Full-Scale Error vs Temperature
RMS Noise vs V
Offset Error vs Temperature
V
V
F
V
REF
REF
V
V
F
T
V
V
V
V
F
O
CC
REF
INCM
O
O
IN
INCM
A
CC
REF
IN
INCM
–30 –15
–30
= GND
= GND
= 25 C
= GND
3.1
+
–
= 0V
= 0V
= 5V
= 5V
= 5V
=5V
= 2.5V
= GND
= 2.5V
= GND
= GND
–15
3.5
TEMPERATURE ( C)
TEMPERATURE ( C)
0
0
–FS ERROR
+FS ERROR
3.9
15
15
V
CC
CC
(V)
30
30
4.3
45
45
4.7
60
60
5.1
24301 G16
75
24301 G19
24301 G13
75
24301f
7
5.5
90
90