Datasheet

LTC2635
12
2635fb
typical perFormance characteristics
Integral Nonlinearity (INL) Differential Nonlinearity (DNL)
INL vs Temperature DNL vs Temperature
Reference Output Voltage vs
Temperature
Settling to ±1 LSB Rising Settling to ±1 LSB Falling
T
A
= 25°C, unless otherwise noted.
CODE
0
INL (LSB)
1.0
0.5
0
–0.5
–1.0
1024 3072
2635 G01
40952048
V
CC
= 3V
CODE
0
DNL (LSB)
1.0
0.5
0
–0.5
–1.0
1024 3072
2635 G02
40952048
V
CC
= 3V
TEMPERATURE (°C)
–50
INL (LSB)
1.0
0.5
0
–0.5
–1.0
–25 125100755025
2635 G03
1500
V
CC
= 3V
INL (POS)
INL (NEG)
TEMPERATURE (°C)
–50
DNL (LSB)
1.0
0.5
0
–0.5
–1.0
–25 125100755025
2635 G04
1500
V
CC
= 3V
DNL (POS)
DNL (NEG)
TEMPERATURE (°C)
–50
V
REF
(V)
1.260
1.255
1.250
1.245
1.240
–25 125100755025
2635 G05
1500
V
CC
= 3V
LTC2635-L12 (Internal Reference, V
FS
= 2.5V)
2µs/DIV
V
OUT
1 LSB/DIV
SCL
5V/DIV
2635 G06
3.3µs
9th CLOCK OF 3rd
DATA BYTE
1/4 SCALE TO 3/4 SCALE STEP
V
CC
= 3V, V
FS
= 2.5V
R
L
= 2k, C
L
= 100pF
AVERAGE OF 256 EVENTS
2µs/DIV
V
OUT
1 LSB/DIV
SCL
5V/DIV
2635 G07
3/4 SCALE TO 1/4 SCALE STEP
V
CC
= 3V, V
FS
= 2.5V
R
L
= 2k, C
L
= 100pF
AVERAGE OF 256 EVENTS
4.4µs
9th CLOCK OF 3rd
DATA BYTE