Datasheet


SLAS353 − DECEMBER 2001
11
www.ti.com
TYPICAL CHARACTERISTICS
Figure 18
0 2 4 6 8 10 12 14 16 18 20
Scope Trigger (5 V/div)
V
OUT
(2 V/div)
t − Time − µs
EXITING POWER-DOWN
AV
DD
= V
REF
= 2.7 V
Digital Code = 8000h
Figure 19
MAJOR CARRY CODE CHANGE GLITCH
t − Time − µs
0 0.5 1 1.5 2 2.5 3
− Output Voltage − 20 mV/div
3.5 4 4.5 5
V
OUT
AV
DD
= DV
DD
= V
REF
= 2.7 V
Code 8000
H
to 7FFF
H
Glitch Occurs Every N × 4096 Code
Boundary.
Figure 20
− Output Voltage − 50 mV/div
V
OUT
t − Time − µs
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
MAJOR CARRY CODE CHANGE GLITCH
AV
DD
= DV
DD
= V
REF
= 5 V
Code 8000
H
to 7FFF
H
Glitch Occurs Every N × 4096 Code
Boundary.
Figure 21
t − Time − µs
024681012
FULL-SCALE SETTLING TIME
14 16 18 20
AV
DD
= 2.7 V
Large-Signal Output (1 V/div)
Full-Scale Code Change:
0000
H
to FFFF
H
Output Loaded With
2 kΩ and 200 pF to AGND
Scope Trigger (5 V/div)
Small-Signal Error (1 mV/div)
Figure 22
t − Time − µs
024681012
FULL-SCALE SETTLING TIME
14 16 18 20
AV
DD
= 2.7 V
Small-Signal Error (1 mV/div)
Full-Scale Code Change:
FFFF
H
to 0000
H
Output Loaded With
2 kΩ and 200 pF to AGND
Scope Trigger (5 V/div)
Large-Signal Output (1 V/div)
Figure 23
t − Time − µs
024681012
HALF-SCALE SETTLING TIME
14 16 18 20
AV
DD
= 2.7 V
Large-Signal Output (1 V/div)
Small-Signal Error (1 mV/div)
Half-Scale Code Change:
4000
H
to C000
H
Output Loaded With
2 kΩ and 200 pF to AGND
Scope Trigger (5 V/div)