DAC8420 Analog Devices, DAC8420 Datasheet - Page 11

• 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

–0.1
–0.3
–0.5
–0.7
–0.9
–0.2
–0.4
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
0.9
0.7
0.5
0.3
0.1
0.2
0.1
1.2
1.0
0.8
0.6
0.4
0.2
0
0
–75
–75
0
V
V
V
V
DD
SS
VREFHI
VREFLO
500
–50
Figure 13. Zero-Scale Error vs. Temperature
–50
Figure 12. Full-Scale Error vs. Temperature
= –15V
= +15V
Figure 14. Channel-to-Channel Matching
= +10V
1000
= –10V
–25
–25
DAC C
1500
DIGITAL INPUT CODE
TEMPERATURE (
TEMPERATURE (
0
0
2000
25
25
DAC D
DAC B
DAC C
2500
50
50
°
°
3000
C)
C)
DAC A
DAC B
V
V
V
V
DD
SS
VREFHI
VREFLO
T
V
V
V
V
75
A
DD
SS
VREFHI
VREFLO
= –15V
75
= +15V
3500
DAC A
= +25°C
DAC D
= –15V
= +15V
= +10V
= –10V
= +10V
100
4000
100
= –10V
4500
125
125
Rev. B | Page 11 of 24
–0.5
–1.0
–1.5
–0.1
–0.2
–0.3
–0.4
1.5
1.0
0.5
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
13
12
11
10
0
9
8
7
6
5
4
0
–7
0
0
500
–5
500
Figure 15. Channel-to-Channel Matching
Figure 16. I
–3
1000
1000
–1
Figure 17. INL vs. Code
1500
1500
DIGITAL INPUT CODE
DIGITAL INPUT CODE
0
DD
1
vs. V
2000
2000
V
VREFHI
VREFHI
3
2500
2500
(V)
, All DACs High
T
V
V
V
V
5
A
DD
SS
VREFHI
VREFLO
3000
3000
= +25°C, –55°C, 125°C
= –15V
= +15V
7
T
V
V
V
V
= +10V
T
V
V
V
= –10V
A
DD
SS
VREFHI
VREFLO
3500
3500
A
DD
SS
VREFLO
= +25°C
= +25°C
= 0V
= +5V
9
= –15V
= +15V
= +2.5V
DAC8420
4000
4000
= 0V
= –10V
11
4500
4500
13