Datasheet

LTC2655
15
2655f
TYPICAL PERFORMANCE CHARACTERISTICS
DAC Output 0.1Hz to
10Hz Voltage Noise
Reference 0.1Hz to
10Hz Voltage Noise
DAC to DAC Crosstalk (Dynamic)
Power-On Reset Glitch
Power-On Reset to Mid-Scale
Noise Voltage vs Frequency
2µs/DIV
V
OUT
0.5mV/DIV
ONE DAC
SWITCH 0-FS
1V/DIV
2655 G33
LTC2655-L16, V
CC
= 5V, 0.4nV•s TYP
C
REFCOMP
= C
REFOUT
= 0.22µF
200µs/DIV
V
OUT
10mV/DIV
V
CC
2V/DIV
2655 G34
ZERO-SCALE
1ms/DIV
V
OUT
1V/DIV
V
CC
2V/DIV
2655 G35
LTC2655-L
FREQUENCY (Hz)
NOISE VOLTAGE (nV/√Hz)
2655 G36
400
300
200
100
0
10 100 100k 1M10k1k
V
CC
= 5V
CODE = MID-SCALE
INTERNAL REF
C
REFCOMP
= C
REFOUT
= 0.1µF
LTC2655-H
LTC2655-L
1s/DIV
5µV/DIV
2655 G37
V
CC
= 5V, LTC2655-H
CODE = MID-SCALE
INTERNAL REF
C
REFCOMP
= C
REFOUT
= 0.1µF
1s/DIV
2µV/DIV
2655 G38
V
REFOUT
= 2.048V
C
REFCOMP
= C
REFOUT
= 0.1µF
T
A
= 25°C unless otherwise noted.
LTC2655