DAC8420QBC AD [Analog Devices], DAC8420QBC Datasheet - Page 8

• Manufacturer Part Number: DAC8420QBC
• Description: Quad 12-Bit Serial Voltage Output DAC
• Manufacturer: AD [Analog Devices]

DAC8420
DAC Data Word (HEX)
FFF
801
800
7FF
000
Typical Performance Characteristics
Figure 2. Differential Linearity vs.
VREFHI ( 15 V)
–0.1
–0.2
–0.3
–0.4
–0.1
–0.2
–0.3
0.4
0.3
0.2
0.1
Figure 5. INL vs. VREFHI (+5 V)
0.3
0.2
0.1
0
0
–6
–4
1.5
–2
2.0
0
V
V
2
T
V
V
VREFHI
VREFHI
A
DD
VREFLO
2.5
T
V
V
= +25°C
4
A
DD
VREFLO
= +15V, V
= +25°C
– V
= +5V, V
– V
6
= –10V
3.0
= 0V
8
SS
SS
= –15V
10
3.5
= 0V
12
14
V
VREFLO
VREFLO
VREFLO
VREFLO
VREFLO
OUT
Figure 6. Full-Scale Error vs.
Time Accelerated by Burn-In
–0.1
–0.3
–0.5
Figure 3. Differential Linearity vs.
VREFHI (+5 V)
0.7
0.5
0.3
0.1
Table III. Analog Output Code
–0.05
–0.10
–0.15
–0.20
–0.25
–0.30
0.10
0.05
0
0
(VREFHI – VREFLO )
(VREFHI –VREFLO )
(VREFHI – VREFLO )
(VREFHI – VREFLO )
(VREFHI – VREFLO )
T = HOURS OF OPERATION AT +125
200
CURVES NOT NORMALIZED
1.5
4096
4096
4096
4096
4096
2.0
400
–8–
V
V
V
V
VREFHI
DD
VREFHI
VREFLO
2.5
= +15V, V
T
V
V
A
600
DD
VREFLO
= +25°C
= +10V
– V
= –10V
= +5V, V
3.0
= 0V
SS
800
= –15V
SS
x – 3
x + 3
3.5
x
°
2049
2047
4095
2048
0
= 0V
C
1000
–0.1
–0.2
–0.3
Figure 4. INL vs. VREFHI ( 15 V)
0.3
0.2
0.1
1.2
1.0
0.8
0.6
0.4
0.2
Figure 7. Zero-Scale Error vs.
Time Accelerated by Burn-In
0
0
–6
0
T = HOURS OF OPERATION AT +125
–4
–2
200
CURVES NOT NORMALIZED
Note
Full-Scale Output
Midscale + 1
Midscale
Midscale – 1
Zero Scale
0
V
400
2
VREFHI
T
V
V
V
V
V
A
DD
VREFLO
DD
VREFHI
VREFLO
= +25°C
4
= +15V, V
= +15V, V
– V
600
6
= –10V
= +10V
= –10V
8
SS
SS
800
10
= –15V
= –15V
x + 3
REV. 0
x – 3
12
°
x
C
1000
14