Datasheet

LTC2656
10
2656fa
TYPICAL PERFORMANCE CHARACTERISTICS
Integral Nonlinearity (INL) Differential Nonlinearity (DNL) INL vs Temperature
DNL vs Temperature REFOUT Voltage vs Temperature
Settling to ±1LSB Rising Settling to ±1LSB Falling
T
A
= 25°C unless otherwise noted.
CODE
128
INL (LSB)
0
1
2
65535
2656 G01
–1
–2
–4
16384
32768
49152
–3
4
V
CC
= 3V
3
CODE
128
DNL (LSB)
0
0.5
65535
2656 G02
–0.5
–1.0
16384
32768
49152
1.0
V
CC
= 3V
TEMPERATURE (°C)
–50
INL (LSB)
0
1
2
110
2656 G03
–1
–2
–4
–10
30
70
–30 130
10
50
90
–3
4
3
INL (POS)
V
CC
= 3V
INL (NEG)
TEMPERATURE (°C)
–50
DNL (LSB)
0
0.5
110
2656 G04
–0.5
–1.0
–10
30
70
–30 130
10
50
90
1.0
DNL (POS)
V
CC
= 3V
DNL (NEG)
TEMPERATURE (°C)
–50
V
REF
(V)
1.251
1.250
1.249
1.248
1.247
1.252
–10
30
50 130
2656 G05
–30 10
70
90
110
1.253
V
CC
= 3V
V
OUT
100µV/DIV
CS/LD
3V/DIV
2µs/DIV
2656 G06
1/4 SCALE TO 3/4
SCALE STEP
V
CC
= 3V, V
FS
= 2.5V
R
L
= 2k, C
L
= 200pF
AVERAGE OF 2048
EVENTS
8.9µs
2µs/DIV
2656 G07
CS/LD
3V/DIV
V
OUT
100µV/DIV
3/4 SCALE TO 1/4
SCALE STEP
V
CC
= 3V, V
FS
= 2.5V
R
L
= 2k, C
L
= 200pF
AVERAGE OF 2048
EVENTS
8.7µs
LTC2656-L16