Datasheet
LTC2414/LTC2418
9
241418fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Full-Scale Error vs Temperature
Full-Scale Error vs V
CC
Full-Scale Error vs V
REF
PSRR vs Frequency at V
CC
PSRR vs Frequency at V
CC
PSRR vs Frequency at V
CC
Conversion Current
vs Temperature
Supply Current at Elevated
Output Rates (F
O
Over Driven)
Sleep Mode Current
vs Temperature
TEMPERATURE (°C)
–60
FULL-SCALE ERROR (ppm OF V
REF
)
5
4
3
2
1
0
–1
–2
–3
–4
–5
–20
20
40
241418 G19
–40 0
60
80
100
+FS ERROR
–FS ERROR
F
O
= GND
V
CC
= 5V
V
REF
= 5V
V
INCM
= 2.5V
V
CC
(V)
2.7
FULL-SCALE ERROR (ppm OF V
REF
)
5
4
3
2
1
0
–1
–2
–3
–4
–5
3.5 3.9 4.3 4.7 5.1 5.5
241418 G20
3.1
+FS ERROR
–FS ERROR
F
O
= GND
T
A
= 25°C
V
REF
= 2.5V
V
INCM
= 0.5V
REF
REF
–
= GND
V
REF
(V)
0
FULL-SCALE ERROR (ppm OF V
REF
)
5
4
3
2
1
0
–1
–2
–3
–4
–5
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
241418 G21
0.5
+FS ERROR
–FS ERROR
F
O
= GND
T
A
= 25°C
V
CC
= 5V
V
INCM
= 0.5V
REF
REF
–
= GND
FREQUENCY AT V
CC
(Hz)
REJECTION (dB)
0
–20
–40
–60
–80
–100
–120
–140
241418 G22
1
10
100 1000 10000 100000 1000000
F
O
= GND
T
A
= 25°C
V
CC
= 4.1V
DC
REF
+
= 2.5V
REF
–
= GND
IN
+
= GND
IN
–
= GND
SDI = GND
FREQUENCY AT V
CC
(Hz)
0
REJECTION (dB)
180
241418 G23
60 120 240
0
–20
–40
–60
–80
–100
–120
–140
30 90 150 210
F
O
= GND
T
A
= 25°C
V
CC
= 4.1V
DC
±1.4V
REF
+
= 2.5V
REF
–
= GND
IN
+
= GND
IN
–
= GND
SDI = GND
REJECTION (dB)
241418 G24
0
–20
–40
–60
–80
–100
–120
–140
F
O
= GND
T
A
= 25°C
V
CC
= 4.1V
DC
±0.7V
P-P
REF
+
= 2.5V
REF
–
= GND
IN
+
= GND
IN
–
= GND
SDI = GND
FREQUENCY AT V
CC
(Hz)
15250 15300 15350 15400 15450
TEMPERATURE (°C)
–45 –30 –15
CONVERSION CURRENT (µA)
90
241418 G25
0
15 30
756045
240
230
220
210
200
190
180
170
160
CS = GND
F
O
= GND
SCK = NC
SDO = NC
SDI = GND
V
CC
= 5.5V
V
CC
= 5V
V
CC
= 3V
V
CC
= 2.7V
SUPPLY CURRENT (µA)
1000
900
800
700
600
500
400
300
200
100
OUTPUT DATA RATE (READINGS/SEC)
241418 G26
0 102030
40
50
60 70 80 90 100
CS = GND
F
O
= EXT OSC
IN
+
= GND
IN
–
= GND
SCK = NC
SDO = NC
SDI = GND
T
A
= 25°C
V
REF
= V
CC
V
CC
= 5V
V
CC
= 3V
TEMPERATURE (°C)
–45 –30 –15
SLEEP-MODE CURRENT (µA)
90
241418 G27
0
15 30
756045
6
5
4
3
2
1
0
CS = V
CC
F
O
= GND
SCK = NC
SDO = NC
SDI = GND
V
CC
= 5.5V
V
CC
= 5V
V
CC
= 3V
V
CC
= 2.7V