Datasheet

LTC2414/LTC2418
8
241418fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
RMS Noise vs Input Differential
Voltage
RMS Noise vs V
INCM
RMS Noise vs Temperature (T
A
)
RMS Noise vs V
CC
RMS Noise vs V
REF
Offset Error vs V
INCM
Offset Error vs Temperature
Offset Error vs V
CC
Offset Error vs V
REF
RMS NOISE (ppm OF V
REF
)
0.5
0.4
0.3
0.2
0.1
0
INPUT DIFFERENTIAL VOLTAGE (V)
–2.5 –2.0 –1.0 0 1.0 2.0
–1.5
–0.5
0.5 1.5
241418 G10
2.5
F
O
= GND
T
A
= 25°C
V
CC
= 5V
V
REF
= 5V
V
INCM
= 2.5V
V
INCM
(V)
–1
RMS NOISE (µV)
1.0
0.9
0.8
0.7
0.6
0.5
1
3
4
241418 G11
0
2
5
6
F
O
= GND
T
A
= 25°C
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
V
IN
= 0V
V
INCM
= GND
TEMPERATURE (°C)
RMS NOISE (µV)
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
241418 G12
–50
–25
0 25 50 75 100
F
O
= GND
V
CC
= 5V
V
REF
= 5V
V
IN
= 0V
V
INCM
= GND
V
CC
(V)
2.7
RMS NOISE (µV)
1.0
0.9
0.8
0.7
0.6
0.5
3.5
4.3
4.7
241418 G13
3.1
3.9
5.1
5.5
F
O
= GND
T
A
= 25°C
V
IN
= 0V
V
INCM
= GND
REF
+
= 2.5V
REF
–
= GND
V
REF
(V)
0
RMS NOISE (µV)
1.0
0.9
0.8
0.7
0.6
0.5
4
1
2
3
5
241418 G14
F
O
= GND
T
A
= 25°C
V
CC
= 5V
V
IN
= 0V
V
INCM
= GND
REF
–
= GND
V
INCM
(V)
–1
OFFSET ERROR (ppm OF V
REF
)
0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
–1.0
1
3
4
241418 G15
0
2
5
6
F
O
= GND
T
A
= 25°C
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
V
IN
= 0V
TEMPERATURE (°C)
–45 –30
OFFSET ERROR (ppm OF V
REF
)
15 30 60 90
0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
241418 G16
–15 0 7545
F
O
= GND
V
CC
= 5V
V
REF
= 5V
V
IN
= 0V
V
INCM
= GND
V
CC
(V)
2.7
OFFSET ERROR (ppm OF V
REF
)
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
3.5
4.3
4.7
241418 G17
3.1
3.9
5.1
5.5
F
O
= GND
T
A
= 25°C
V
IN
= 0V
V
INCM
= GND
REF
+
= 2.5V
REF
–
= GND
V
REF
(V)
0
OFFSET ERROR (ppm OF V
REF
)
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
4
241418 G18
1
2
3
5
F
O
= GND
T
A
= 25°C
V
CC
= 5V
V
IN
= 0V
V
INCM
= GND
REF
–
= GND