DAC8420EQ Analog Devices, DAC8420EQ Datasheet - Page 8
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DAC8420EQ
Manufacturer Part Number
DAC8420EQ
Description
Quad 12-Bit Serial Voltage Output DAC
Manufacturer
Analog Devices
Datasheet
1.DAC8420EQ.pdf
(16 pages)
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