DAC8420_07 Datasheet, PDF (13/24 Pages) Analog Devices – Quad 12-Bit Serial Voltage Output DAC

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
SR_RISE
=
1.9
V
µs
20µs/DIV
SR_FALL
=
2.02
V
µs
166.4µs
Figure 24. 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 25. Small-Signal Response
100
90
80
70
60
50
40
T_A = +25°C
30 _{DATA = 0x000}
20
V_DD = +15V ±1V
V_SS = –15V
10 ^VVREFHI ^{= +10V}
V_VREFLO = –10V
0
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 26. PSRR vs. Frequency
DAC8420
6
I_DD
4
2
V_DD = +15V
V_SS = –15V
V_VREFHI = +10V
0
V_VREFLO = –10V
ALL DACS HIGH (FULL SCALE)
–2
–4
–6
–75
0
75
TEMPERATURE (°C)
I_SS
150
Figure 27. 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 = 0x800
5V/DIV
Figure 28. DAC Output Current vs. VOUTx
10
8
6
4
T_A = +25°C
V_DD = +15V
2
V_SS = –15V
V_VREFHI = +10V
V_VREFLO = –10V
DATA = 0xFFF OR 0x000
0
10
100
1k
10k
LOAD RESISTANCE (Ω)
Figure 29. Output Swing vs. Load Resistance
Rev. B | Page 13 of 24