Datasheet

LTC2412
8
2412f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
RMS Noise vs V
CC
RMS Noise vs Temperature (T
A
)RMS Noise vs V
INCM
Offset Error vs Temperature (T
A
)
Offset Error vs V
INCM
RMS Noise vs V
REF
+Full-Scale Error
vs Temperature (T
A
)Offset Error vs V
REF
Offset Error vs V
CC
V
INCM
(V)
–0.5
0 10.5 1.5 2 2.5 3 3.5 4 4.5 5 5.5
RMS NOISE (nV)
2412 G19
850
825
800
775
750
725
700
675
650
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
V
REF
= 5V
IN
+
= V
INCM
IN
–
= V
INCM
V
IN
= 0V
F
O
= GND
T
A
= 25°C
TEMPERATURE (°C)
RMS NOISE (nV)
2412 G20
850
825
800
775
750
725
700
675
650
–50
–25 0 25 50 75 100
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
IN
+
= 2.5V
IN
–
= 2.5V
V
IN
= 0V
F
O
= GND
V
CC
(V)
2.7
3.1 3.5 3.9 4.3 4.7 5.1 5.5
RMS NOISE (nV)
2412 G21
850
825
800
775
750
725
700
675
650
REF
+
= 2.5V
REF
–
= GND
V
REF
= 2.5V
IN
+
= GND
IN
–
= GND
F
O
= GND
T
A
= 25°C
V
REF
(V)
0 0.5
1 1.5 2 2.5 3 3.5 4 4.5 5
RMS NOISE (nV)
2412 G22
850
825
800
775
750
725
700
675
650
V
CC
= 5V
REF
–
= GND
IN
+
= GND
IN
–
= GND
F
O
= GND
T
A
= 25°C
V
INCM
(V)
–0.5
0 10.5 1.5 2 2.5 3 3.5 4 4.5 5 5.5
OFFSET ERROR (ppm OF V
REF
)
2412 G23
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
V
REF
= 5V
IN
+
= V
INCM
IN
–
= V
INCM
V
IN
= 0V
F
O
= GND
T
A
= 25°C
TEMPERATURE (°C)
–50
–25 0 25 50 75 100
OFFSET ERROR (ppm OF V
REF
)
2412 G24
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
IN
+
= 2.5V
IN
–
= 2.5V
V
IN
= 0V
F
O
= GND
V
CC
(V)
OFFSET ERROR (ppm OF V
REF
)
2412 G25
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
REF
+
= 2.5V
REF
–
= GND
V
REF
= 2.5V
IN
+
= GND
IN
–
= GND
F
O
= GND
T
A
= 25°C
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
V
REF
(V)
OFFSET ERROR (ppm OF V
REF
)
2412 G26
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
V
CC
= 5V
REF
–
= GND
IN
+
= GND
IN
–
= GND
F
O
= GND
T
A
= 25°C
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
TEMPERATURE (°C)
+FULL-SCALE ERROR (ppm OF V
REF
)
2412 G27
3
2
1
0
–1
–2
–3
–45
–30 –15 0 15 30 45 60 75 90
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
IN
+
= 2.5V
IN
–
= GND
F
O
= GND