Datasheet

LTC2634
14
2634fc
typical perFormance characteristics
Large-Signal Response Mid-Scale Glitch Impulse Power-On Reset Glitch
Headroom at Rails
vs Output Current
Exiting Power-Down to Mid-Scale Power-On Reset to Mid-Scale
Supply Current vs Logic Voltage Hardware CLR Hardware CLR to Mid-Scale
LTC2634
T
A
= 25°C, unless otherwise noted
2µs/DIV
V
OUT
0.5V/DIV
2634 G22
V
FS
= V
CC
= 5V
1/4 SCALE to 3/4 SCALE
2µs/DIV
V
OUT
5mV/DIV
CS/LD
5V/DIV
2634 G23
LTC2634-H12, V
CC
= 5V
3.0nV•s TYP
LTC2634-L12, V
CC
= 3V
2.1nV•s TYP
200µs/DIV
V
OUT
5mV/DIV
V
CC
2V/DIV
2636 G24
LTC2634-L
ZERO SCALE
I
OUT
(mA)
0
V
OUT
(V)
5.0
4.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0.5
0
1 7 8 96543
2634 G25
102
5V SOURCING
3V (LTC2634-L) SOURCING
3V (LTC2634-L) SINKING
5V SINKING
5µs/DIV
V
OUT
0.5V/DIV
CS/LD
2V/DIV
2634 G26
LTC2634-H
V
CC
= 5V
INTERNAL REF
DACs A-C IN
POWER-DOWN
MODE
200µs/DIV
V
CC
2V/DIV
V
OUT
0.5V/DIV
2634 G27
LTC2634-H
LTC2634-L
1µs/DIV
CLR
5V/DIV
V
OUT
1V/DIV
2634 G29
V
CC
= 5V
V
REF
= 4.096V
CODE = FULL-SCALE
1µs/DIV
V
OUT
1V/DIV
CLR
5V/DIV
2634 G30
V
CC
= 5V
V
REF
= 4.096V
CODE = FULL-SCALE
LOGIC VOLTAGE (V)
0
I
CC
(mA)
1.0
1.2
1.4
4
2634 G28
0.8
0.6
0.4
1
2
3
5
V
CC
= 5V
V
CC
= 3V
(LTC2634-L)
SWEEP SCK, SDI, CS/LD
BETWEEN 0V AND V
CC