Datasheet

5
LTC2602/LTC2612/LTC2622
2602fa
Integral Nonlinearity (INL)
CODE
0
4096 8192 12288 16383
INL (LSB)
2602 G28
8
6
4
2
0
–2
–4
–6
–8
V
CC
= 5V
V
REF
= 4.096V
(LTC2602)
TYPICAL PERFOR A CE CHARACTERISTICS
UW
DNL vs Temperature INL vs V
REF
DNL vs V
REF
Settling to ±1LSB Settling of Full-Scale Step
TEMPERATURE (°C)
–50
–30 –10 10 30 50 70 90
DNL (LSB)
2602 G23
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
V
CC
= 5V
V
REF
= 4.096V
DNL (POS)
DNL (NEG)
V
REF
(V)
0
1 2 3 4 5
INL (LSB)
2602 G24
32
24
16
8
0
–8
–16
–24
–32
V
CC
= 5.5V
INL (POS)
INL (NEG)
V
REF
(V)
0
1 2 3 4 5
DNL (LSB)
2602 G25
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
V
CC
= 5.5V
DNL (POS)
DNL (NEG)
2µs/DIV
2602 G26
V
OUT
100µV/DIV
CS/LD
2V/DIV
V
CC
= 5V, V
REF
= 4.096V
1/4-SCALE TO 3/4-SCALE STEP
R
L
= 2k, C
L
= 200pF
AVERAGE OF 2048 EVENTS
9.7µs
5µs/DIV
2602 G27
V
OUT
100µV/DIV
CS/LD
2V/DIV
V
CC
= 5V, V
REF
= 4.096V
CODE 512 TO 65535 STEP
AVERAGE OF 2048 EVENTS
SETTLING TO ±1LSB
12.3µs
(LTC2612)
Differential Nonlinearity (DNL)
Settling to ±1LSB
CODE
0 4096 8192 12288 16383
DNL (LSB)
2602 G29
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
V
CC
= 5V
V
REF
= 4.096V
2µs/DIV
2602 G30
V
OUT
100µV/DIV
CS/LD
2V/DIV
V
CC
= 5V, V
REF
= 4.096V
1/4-SCALE TO 3/4-SCALE STEP
R
L
= 2k, C
L
= 200pF
AVERAGE OF 2048 EVENTS
8.9µs