ad7394an Analog Devices, Inc., ad7394an Datasheet - Page 7

• Manufacturer Part Number: ad7394an
• Description: +3 V, Dual, Serial Input 12-/10-bit Dacs
• Manufacturer: Analog Devices, Inc.

REV. 0
Figure 4. AD7394 Integral Nonlinear-
ity Error vs. Code
Figure 7. Full-Scale Output Tempco
Histogram
Figure 10. AD7394 Output Noise
Density vs. Frequency
–0.5
–1.5
1.5
0.5
10
–1
35
30
25
20
15
10
8
6
4
2
0
1
0
5
0
1
0
AD7395
26
500
10
28
T
1000
T
A
A
= +25 C, +85 C
= –55 C
FREQUENCY – Hz
TEMPCO – ppm/ C
1500
30
CODE – Decimal
100
2000
32
SS = 200,
V
V
T
A
DD
REF
2500
1k
34
= +85 C TO –40 C
= 2.7V
= 2.5V
V
V
V
V
T
3000
DD
REF
A
36
DD
REF
10k
= +25 C
= 3V
= 5V
= 2.5V
= 2.5V
3500
38
100k
4000
40
Typical Performance Characteristics–
Figure 8. Integral Nonlinearity Error
vs. V
Figure 11. Supply Current vs. Logic
Input Voltage
Figure 5. Total Unadjusted Error
Histogram
140
135
130
125
120
115
110
105
100
0.6
0.5
0.4
0.3
0.2
0.1
25
20
15
10
5
0
0
REF
0 0.5
0
AD7394
V
SS = 200 UNITS
T
V
V
TOTAL UNADJUSTED ERROR – LSB
A
DD
DD
REF
V
3
= +25 C
IN
0.5
= 3V
= 2.7V
1
= 2.5V
3V TO 0V
1.5 2 2.5
2
1
V
–7–
REF
V
IN
– Volts
– Volts
1.5
1
3
V
T
CODE = 768
3.5
2
DD
A
V
0
= +25 C
IN
AD7394
= 5.0V
AD7394
0V TO 3V
4 4.5
2.5
1
H
5
3
Figure 6. Total Unadjusted Error
Histogram
Figure 9. Full-Scale Error vs. V
Figure 12. Logic Threshold vs. Sup-
ply Voltage
4.5
3.5
2.5
1.5
30
25
20
15
10
10
15
50
40
30
20
10
0
5
0
5
5
4
3
2
1
–5
0 0.5
2
V
SS = 200 UNITS
T
V
V
FULL SCALE ERROR
A
LOGIC
DD
REF
TOTAL UNAJUSTED ERROR – LSB
= +25 C
AD7394/AD7395
= 2.7V
= 2.5V
1
3
0
FROM LOW TO HIGH
1.5
V
LOGIC
V
V
REF
2 2.5
4
DD
TOTAL UNADJUSTED
FULL SCALE ERROR
5
– Volts
– Volts
FROM HIGH TO LOW
3
5
10
3.5 4 4.5
T
A
AD7394
AD7394
AD7395
= +25 C
6
15
REF
5
7