DAC8420 Datasheet, PDF (10/16 Pages) Analog Devices – Quad 12-Bit Serial Voltage Output DAC

DAC8420
+31.25mV
LD
T_A = +25°C
V_DD = +15V, V_SS = –15V
V_VREFHI = +10V
V_VREFLO = –10V
+43.75mV
CLR
T_A = +25°C
V_DD = +15V, V_SS = –15V
V_VREFHI = +10V
V_VREFLO = –10V
+5V
+1V
/DIV
0
4.88mV
1 LSB
0mV
–18.75mV
–9.8µs
t_SETT ≈ 13µs
+10µs/DIV
+90.2µs
Figure 17. Settling Time (+)(±15 V)
0mV
1 LSB
–4.88mV
–6.25mV
–9.8µs
t_SETT ≈ 13µs
+10µs/DIV
+90.2µs
Figure 18. Settling Time (–)(±15 V)
T_A = +25°C
V_DD = +5V, V_SS = –5V
V_VREFHI = +2.5V
–5V
V_VREFLO = –2.5V
–47.6µs
20µs/DIV
152.4µs
SR_RISE = 1.65
V
µs
SR_FALL = 1.17
V
µs
Figure 19. Slew Rate (±5 V)
+25V
LD
CLR
+5V
/DIV
0
T_A = +25°C
V_DD = +15V, V_SS = –15V
V_VREFHI = +10V, V_VREFLO = –10V
–25V
–33.6µs
20µs/DIV
166.4µs
SR_RISE = 1.9
V
µs
SR_FALL = 2.02
V
µs
Figure 20. Slew Rate (±15 V)
+10
0
–10
–20
–30
T_A = +25°C
V_DD = +15V, V_SS = –15V
V_VREFHI = 0 ± 100mV
V_VREFLO = –10V
ALL BITS HIGH 200mV p-p
10 100 1k 10k 100k 1M 10M
FREQUENCY – Hz
Figure 21. Small-Signal Response
100
90
80
70
60
50
40
T_A = +25°C
30 _{DATA = 000H}
20 V_DD = +15V ±1V, V_SS = –15V
10 ^{VVREFHI = +10V}
V_VREFLO = –10V
0
10
100
1k
10k 100k 1M
FREQUENCY – Hz
Figure 22. PSRR vs. Frequency
6
I_DD
4
2
V_DD = +15V
0
V_SS = –15V
V_VREFHI = +10V
V_VREFLO = –10V
–2 ^{ALL DACS HIGH (FULL SCALE)}
–4
–6
–75
0
75
TEMPERATURE – °C
I_SS
150
Figure 23. Power Supply Current
vs. Temperature
VOUTA THROUGH VOUTD
T_A = +25°C
V_DD = +15V
V_SS = –15V
V_VREFHI = +10V
V_VREFLO = –10V
DATA = 800_H
5V/DIV
Figure 24. DAC Output Current vs.
VOUTX
10
8
6
T_A = +25°C
V_DD = +15V
4
V_SS = –15V
V_VREFHI = +10V
V_VREFLO = –10V
2
DATA = FFF_H OR 000_H
0
10
100
1k
10k
LOAD RESISTANCE – Ω
Figure 25. Output Swing vs.
Load Resistance
–10–
REV. 0