Datasheet

6
LTC2404/LTC2408
Total Unadjusted Error
(3V Supply) INL (3V Supply)
Negative Extended Input Range
Total Unadjusted Error (3V Supply)
Positive Extended Input Range
Total Unadjusted Error (3V Supply)
Total Unadjusted Error
(5V Supply)
INL (5V Supply)
Negative Extended Input Range
Total Unadjusted Error (5V Supply) Offset Error vs Reference Voltage
Positive Extended Input Range
Total Unadjusted Error (5V Supply)
TYPICAL PERFOR A CE CHARACTERISTICS
UW
INPUT VOLTAGE (V)
0
–10
ERROR (ppm)
–5
0
5
10
0.5 1.0 1.5 2.0
24048 G01
2.5 3.0
T
A
= –55°C, –45°C, 25°C, 90°C
V
CC
= 3V
V
REF
= 3V
INPUT VOLTAGE (V)
0
–10
ERROR (ppm)
–5
0
5
10
0.5 1.0 1.5 2.0
24048 G02
2.5 3.0
T
A
= –55°C, –45°C, 25°C, 90°C
V
CC
= 3V
V
REF
= 3V
INPUT VOLTAGE (V)
–0.30
–10
ERROR (ppm)
–5
0
5
10
–0.25–0.20–0.15–0.10
24048 G03
–0.050
V
CC
= 3V
V
REF
= 3V
T
A
= 90°C
T
A
= 25°C
T
A
= –45°C
T
A
= –55°C
INPUT VOLTAGE (V)
3.0
–10
ERROR (ppm)
–5
0
5
10
T
A
= –55°C
V
CC
= 3V
V
REF
= 3V
3.1 3.2
24048 G04
3.3
T
A
= –45°C
T
A
= 90°C T
A
= 25°C
INPUT VOLTAGE (V)
0
ERROR (ppm)
2
6
10
4
24048 G05
–2
–6
0
4
8
–4
–8
–10
1
2
3
5
T
A
= –55°C, –45°C, 25°C, 90°C
V
CC
= 5V
V
REF
= 5V
INPUT VOLTAGE (V)
0
ERROR (ppm)
0
5
4
24048 G06
–5
–10
1
2
3
5
10
T
A
= –55°C, –45°C, 25°C, 90°C
V
CC
= 5V
V
REF
= 5V
INPUT VOLTAGE (V)
–0.30
–10
ERROR (ppm)
–5
0
5
10
–0.25–0.20–0.15–0.10
24048 G07
–0.050
V
CC
= 5V
V
REF
= 5V
T
A
= 90°C
T
A
= 25°C
T
A
= –45°C
T
A
= –55°C
INPUT VOLTAGE (V)
5.0
–10
ERROR (ppm)
–5
0
5
10
T
A
= –55°C
V
CC
= 5V
V
REF
= 5V
5.1 5.2
24048 G08
5.3
T
A
= –45°C
T
A
= 90°C T
A
= 25°C
REFERENCE VOLTAGE (V)
0
RMS NOISE (ppm OF V
REF
)
10
15
4
24048 G10
5
0
1
2
3
5
20
V
CC
= 5V
T
A
= 25°C