Datasheet

LTC2635
15
2635fb
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
LTC2635
T
A
= 25°C, unless otherwise noted.
2µs/DIV
V
OUT
0.5V/DIV
2635 G22
V
FS
= V
CC
= 5V
1/4 SCALE to 3/4 SCALE
200µs/DIV
V
OUT
5mV/DIV
V
CC
2V/DIV
2635 G24
LTC2635-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
2635 G25
102
5V SOURCING
3V (LTC2635-L) SOURCING
3V (LTC2635-L) SINKING
5V SINKING
200µs/DIV
V
CC
2V/DIV
V
OUT
0.5V/DIV
2635 G27
LTC2635-H
LTC2635-L
Exiting Power-Down for Hi-Z
Option
5µs/DIV
V
OUT
0.5V/DIV
SCL
5V/DIV
2635 G26
9th CLOCK OF 3rd
DATA BYTE
LTC2635-H
DACs A-C IN
POWER-DOWN
MODE
V
CC
= 5V
INTERNAL
REFERENCE
LOGIC VOLTAGE (V)
0
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1 2 3 4 5
I
CC(mA)
2635 G28
SWEEP SDA, SCL
BETWEEN
0V AND V
CC
V
CC
= 5V
V
CC
= 3V
(LTC2635-L)
2µs/DIV
LTC2635-LMO, V
CC
= 3V
DAC OUTPUT DRIVEN BY
1V SOURCE THROUGH
15k RESISTOR
V
OUT
500mV/DIV
SCL
5V/DIV
2635 G29
HIGH-IMPEDANCE
(POWER-DOWN) MODE
DAC OUTPUT SET
TO MID-SCALE
9th CLOCK OF 3rd
DATA BYTE
2µs/DIV
V
OUT
5mV/DIV
SCL
5V/DIV
2635 G23
9th CLOCK OF 3rd
DATA BYTE
LTC2635-H12, V
CC
= 5V
3nV • s TYP
LTC2635-L12, V
CC
= 3V
2.1nV • s TYP