Datasheet
LTC2412
9
2412f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
–Full-Scale Error
vs Temperature (T
A
)+Full-Scale Error vs V
REF
+Full-Scale Error vs V
CC
PSRR vs Frequency at V
CC
–Full-Scale Error vs V
REF
–Full-Scale Error vs V
CC
PSRR vs Frequency at V
CC
PSRR vs Frequency at V
CC
PSRR vs Frequency at V
CC
V
CC
(V)
+FULL-SCALE ERROR (ppm OF V
REF
)
2412 G28
3
2
1
0
–1
–2
–3
REF
+
= 2.5V
REF
–
= GND
V
REF
= 2.5V
IN
+
= 1.25V
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)
+FULL-SCALE ERROR (ppm OF V
REF
)
2412 G29
3
2
1
0
–1
–2
–3
V
CC
= 5V
REF
+
= V
REF
REF
–
= GND
IN
+
= 0.5 • REF
+
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 G30
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
+
= GND
IN
–
= 2.5V
F
O
= GND
V
CC
(V)
–FULL-SCALE ERROR (ppm OF V
REF
)
2412 G31
3
2
1
0
–1
–2
–3
REF
+
= 2.5V
REF
–
= GND
V
REF
= 2.5V
IN
+
= GND
IN
–
= 1.25V
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)
–FULL-SCALE ERROR (ppm OF V
REF
)
2412 G32
3
2
1
0
–1
–2
–3
V
CC
= 5V
REF
+
= V
REF
REF
–
= GND
IN
+
= GND
IN
–
= 0.5 • REF
+
F
O
= GND
T
A
= 25°C
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
FREQUENCY AT V
CC
(Hz)
REJECTION (dB)
2412 G33
0
–20
–40
–60
–80
–100
–120
–140
0.01
0.1 1 10 100
V
CC
= 4.1V
DC
± 1.4V
REF
+
= 2.5V
REF
–
= GND
IN
+
= GND
IN
–
= GND
F
O
= GND
T
A
= 25°C
FREQUENCY AT V
CC
(Hz)
1
0
–20
–40
–60
–80
–100
–120
–140
1k 100k
2412 G34
10 100
10k 1M
REJECTION (dB)
V
CC
= 4.1V
DC
REF
+
= 2.5V
REF
–
= GND
IN
+
= GND
IN
–
= GND
F
O
= GND
T
A
= 25°C
FREQUENCY AT V
CC
(Hz)
0
REJECTION (dB)
–60
–40
–20
120 210
2412 G35
–80
–100
30 60
150 180
–120
–140
0
90
240
V
CC
= 4.1V
DC
±1.4V
REF
+
= 2.5V
REF
–
= GND
IN
+
= GND
IN
–
= GND
F
O
= GND
T
A
= 25°C
FREQUENCY AT V
CC
(Hz)
15250
–60
–40
0
15400
2412 G36
–80
–100
15300 15350 15450
–120
–140
–20
REJECTION (dB)
V
CC
= 4.1V
DC
±0.7V
P-P
REF
+
= 2.5V
REF
–
= GND
IN
+
= GND
IN
–
= GND
F
O
= GND
T
A
= 25°C