Datasheet

LTC2631
15
2631fc
For more information www.linear.com/LTC2631
typical perFormance characteristics
LTC2631
Offset Error vs Temperature
Large-Signal Response
Headroom at Rails
vs Output Current Exiting Power-Down to Mid-Scale
Mid-Scale-Glitch Impulse Power-On Reset Glitch
TEMPERATURE (°C)
–50 –25 0 25 50 75 100 125 150
OFFSET ERROR (mV)
0
1
2
2631 G23
–1
–2
–3
3
I
OUT
(mA)
0 1 2 3 4 5 6 7 8 9 10
V
OUT
(V)
2.5
2.0
3.5
3.0
4.0
2631 G29
1.5
1.0
0.5
0
5.0
4.5
3V (LTC2631-L) SOURCING
3V (LTC2631-L) SINKING
5V SOURCING
5V SINKING
2µs/DIV
V
OUT
0.5V/DIV
2631 G26
V
FS
= V
CC
= 5V
1/4 SCALE TO 3/4 SCALE
2µs/DIV
V
OUT
5mV/DIV
2631 G27
SCL
5V/DIV
LTC2631-L12, V
CC
= 3V:
2.1nV-s TYP
LTC2631-H12, V
CC
= 5V:
3.0nV-s TYP
9th CLOCK OF
3rd DATA BYTE
200µs/DIV
V
CC
2V/DIV
2631 G28
LTC2631-L
V
OUT
2mV/DIV
ZERO-SCALE
4µs/DIV
2631 G30
LTC2631-H
CS/LD
2V/DIV
V
OUT
0.5V/DIV
V
CC
(V)
2.5 3 3.5 4 4.5 5 5.5
GAIN ERROR (%FSR)
0.1
0.2
0.3
2631 G24
0.0
–0.3
–0.2
–0.1
–0.4
0.4
EXTERNAL REF.
V
REF
= 2.5V
Gain Error vs V
CC
Gain Error vs Temperature
TEMPERATURE (°C)
–50 –25 0 25 50 75 100 125 150
GAIN ERROR (%FSR)
0.1
0.2
0.3
2631 G25
0.0
–0.3
–0.2
–0.1
–0.4
0.4
EXTERNAL REF.
V
REF
= 2.5V
T
A
= 25°C, unless otherwise noted.