Datasheet

DAC8420
Rev. B | Page 13 of 24
00275-025
+5V/DI
V
–25V
25
V
LD
–33.6µs 20µs/DIV 166.4µs
T
A
= +25°C
V
DD
= +15V
V
SS
= –15V
V
VREFHI
= +10V
V
VREFLO
= –10V
0
SR
RISE
= 1.9
V
µs
SR
FALL
= 2.02
V
µs
CLR
Figure 24. Slew Rate (±15 V)
10
0
–10
–20
–30
GAIN (dB)
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
T
A
= +25°C
V
DD
= +15V
V
SS
= –15V
V
VREFHI
= 0 ±100mV
V
VREFLO
= –10V
ALL BITS HIGH 200mV p-p
00275-026
Figure 25. Small-Signal Response
100
90
80
70
60
50
40
30
20
10
0
PSRR (dB)
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
T
A
= +25°C
DATA = 0x000
V
DD
= +15V ±1V
V
SS
= –15V
V
VREFHI
= +10V
V
VREFLO
= –10V
00275-027
Figure 26. PSRR vs. Frequency
6
4
2
0
–2
–4
–6
POWER SUPPLY CURRENT (mA)
–75 0 75 150
TEMPERATURE (°C)
I
DD
I
SS
V
DD
= +15V
V
SS
= –15V
V
VREFHI
= +10V
V
VREFLO
= –10V
ALL DACS HIGH (FULL SCALE)
00275-028
Figure 27. Power Supply Current vs. Temperature
5V/DIV
10mA/DI
V
00275-029
VOUTA THROUGH VOUTD
T
A
= +25°C
V
DD
= +15V
V
SS
= –15V
V
VREFHI
= +10V
V
VREFLO
= –10V
DATA = 0x800
Figure 28. DAC Output Current vs. VOUTx
10
8
6
4
2
0
|
V
OUT
PEAK| (V)
10 100 1k 10k
LOAD RESISTANCE (Ω)
T
A
= +25°C
V
DD
= +15V
V
SS
= –15V
V
VREFHI
= +10V
V
VREFLO
= –10V
DATA = 0xFFF OR 0x000
00275-030
Figure 29. Output Swing vs. Load Resistance