Datasheet

LTC2633
13
2633fb
typical perFormance characteristics
Headroom at Rails vs Output
Current Exiting Power-Down to Mid-Scale Power-On Reset to Mid-Scale
Supply Current vs Logic Voltage
Exiting Power-Down for Hi-Z
Option
Large-Signal Response Mid-Scale-Glitch Impulse Power-On Reset Glitch
2µs/DIV
V
OUT
0.5V/DIV
2633 G22
V
FS
= V
CC
= 5V
1/4 SCALE to 3/4 SCALE
200µs/DIV
V
OUT
10mV/DIV
V
CC
2V/DIV
2633 G24
LTC2633-L
ZERO-SCALE
I
OUT
(mA)
0
V
OUT
(V)
5.0
4.0
3.0
4.5
3.5
2.5
1.5
2.0
0.5
1.0
0
21 3 8
2633 G25
106 974 5
5V SOURCING
5V SINKING
3V (LTC2633-L) SOURCING
3V (LTC2633-L) SINKING
T
A
= 25°C unless otherwise noted.
LTC2633
1.0
0.8
0.6
0.4
1.2
0.2
1 2 3
LOGIC VOLTAGE (V)
4 50
I
CC
(mA)
2633 G28
V
CC
= 3V
(LTC2633-L)
SWEEP SDA, SCL
BETWEEN
ON AND V
CC
V
CC
= 5V
SCL
5V/DIV
V
OUT
500mV/DIV
5µs/DIV
2633 G29
9TH CLOCK OF
3RD DATA BYTE
LTC2633-LO, V
CC
= 3V
DAC OUTPUT DRIVEN
BY 1V SOURCE
THROUGH 15k
RESISTOR
HIGH-IMPEDANCE
(POWER-DOWN) MODE
DAC OUTPUT SET
TO MID-SCALE
SCL
5V/DIV
V
OUTA
0.5V/DIV
5µs/DIV
2633 G26
9TH CLOCK OF
3RD DATA BYTE
LTC2633-H
V
CC
= 5V
INTERNAL REF.
DAC B IN
POWER-DOWN
MODE
200µs/DIV
V
CC
2V/DIV
V
OUT
0.5V/DIV
2633 G27
LTC2633-H
LTC2633-L
SCL
5V/DIV
V
OUT
2mV/DIV
2µs/DIV
2633 G23
9TH CLOCK OF
3RD DATA BYTE
LTC2633-H12, V
CC
= 5V
3nV•s TYPICAL
LTC2633-L12, V
CC
= 3V
2.8nV•s TYPICAL