Datasheet

DAC8420
Rev. B | Page 12 of 24
1.5
–1.0
4500
–0.5
5000
0
0.5
1.0
4000350030002500200015001000
DIGITAL INPUT CODE
T
A
= +25°C
V
DD
= +15V
V
SS
= –15V
V
VREFHI
= +10V
V
VREFLO
= –10V
I
VREFHI
(mA)
00275-019
Figure 18. I
VREFHI
vs. Code
T
A
= +25°C
V
DD
= +5V
V
SS
= –5V
V
VREFHI
= +2.5V
V
VREFLO
= –2.5V
1.22mV
1 LSB
0mV
–10.25mV
–
2.50µ
V
00275-020
–4.9µs 5µs/DIV 45.1µs
t
SETT
8µs
LD
Figure 19. Positive Settling Time (±5 V)
00275-021
0mV
1 LSB
1.22m
V
3.5mV
6.5m
V
CLR
–4.9µs 5µs/DIV 45.1µs
t
SETT
8µs
T
A
= +25°C
V
DD
= +5V
V
SS
= –5V
V
VREFHI
= +2.5V
V
VREFLO
= –2.5V
Figure 20. Negative Settling Time (±5 V)
00275-022
4.88mV
1 LSB
0mV
–18.75mV
31.25m
V
LD
–9.8µs 10µs/DIV 90.2µs
t
SETT
13µs
T
A
= +25°C
V
DD
= +15V
V
SS
= –15V
V
VREFHI
= +10V
V
VREFLO
= –10V
Figure 21. Positive Settling Time (±15 V)
00275-023
0mV
1 LSB
–4.88mV
–6.25mV
43.75m
V
CLR
–9.8µs 10µs/DIV 90.2µs
t
SETT
13µs
T
A
= +25°C
V
DD
= +15V
V
SS
= –15V
V
VREFHI
= +10V
V
VREFLO
= –10V
Figure 22. Negative Settling Time (±15 V)
00275-024
+1V/DIV
–5V
5
V
–47.6µs 20µs/DIV 152.4µs
T
A
= +25°C
V
DD
= +5V
V
SS
= –5V
V
VREFHI
= +2.5V
V
VREFLO
= –2.5V
0
SR
RISE
= 1.65
V
µs
SR
FALL
= 1.17
V
µs
Figure 23. Slew Rate (±5 V)