DAC8420 Analog Devices, DAC8420 Datasheet - Page 12

• Manufacturer Part Number: DAC8420
• Description: Quad 12-Bit Serial Voltage Output DAC
• Manufacturer: Analog Devices

Specifications of DAC8420

• Resolution (bits): 12bit
• Dac Update Rate: 125kSPS
• Dac Settling Time: 8µs
• Max Pos Supply (v): +15.75V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Ser

DAC8420
1.22mV
1.22mV
1 LSB
1 LSB
–10.25mV
0mV
0mV
–2.50µV
–0.5
–1.0
6.5mV
3.5mV
1.5
1.0
0.5
CLR
0
LD
–4.9µs
–4.9µs
0
500
t
t
SETT
SETT
Figure 20. Negative Settling Time (±5 V)
Figure 19. Positive Settling Time (±5 V)
1000
Figure 18. I
8µs
8µs
1500
DIGITAL INPUT CODE
2000
VREFHI
5µs/DIV
5µs/DIV
2500
vs. Code
T
V
V
V
V
A
DD
SS
VREFHI
VREFLO
3000
= +25°C
= –15V
= +15V
T
V
V
V
V
T
V
V
V
V
A
DD
SS
VREFHI
VREFLO
A
DD
SS
VREFHI
VREFLO
= +10V
= –10V
3500
= +25°C
= +25°C
= –5V
= +5V
= –5V
= +5V
= +2.5V
= –2.5V
= +2.5V
= –2.5V
4000
4500
45.1µs
45.1µs
Rev. B | Page 12 of 24
–4.88mV
4.88mV
1 LSB
+1V/DIV
1 LSB
–18.75mV
0mV
31.25mV
0mV
43.75mV
–6.25mV
–5V
5V
–47.6µs
CLR
0
LD
–9.8µs
–9.8µs
t
t
SETT
SR
SETT
Figure 22. Negative Settling Time (±15 V)
Figure 21. Positive Settling Time (±15 V)
RISE
13µs
= 1.65
13µs
Figure 23. Slew Rate (±5 V)
µs
V
20µs/DIV
10µs/DIV
10µs/DIV
SR
FALL
T
V
V
V
V
T
V
V
V
V
T
V
V
V
V
A
DD
SS
VREFHI
VREFLO
A
DD
SS
VREFHI
VREFLO
A
DD
SS
VREFHI
VREFLO
= 1.17
= +25°C
= +25°C
= +25°C
= +5V
= –5V
= –15V
= +15V
= –15V
= +15V
= +2.5V
= +10V
= +10V
= –2.5V
µs
= –10V
= –10V
V
152.4µs
90.2µs
90.2µs