ad7394an Analog Devices, Inc., ad7394an Datasheet - Page 8

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

Figure 13. Supply Current vs. Clock
Frequency
Figure 16. AD7394 I
rent vs. V
Figure 19. Long-Term Drift Acceler-
ated by Burn-In
AD7394/AD7395
1800
1600
1400
1200
1000
1.4
1.2
0.8
0.6
0.4
0.2
800
600
400
200
10
9
8
7
6
5
4
3
2
1
0
1
0
0
10
0
1k
V
CODE = 800
A: I
B: I
C: V
D: V
REF
9
V
DD
DD
100
HOURS OF OPERATION – 150 C
DD
DD
DD
= 2.5V
OUT
8
= 2.7V, CODE = 555
= 2.7V, CODE = 3FF
= 5.5V, CODE = 155
= 5.5V, CODE = 3FF
= 3V
CLOCK FREQUENCY – Hz
CODE = 000
10k
7
200
H
V
V
6
DD
OUT
A
300
100k
= 5V
OUT
5
H
– LSB
B
4
Source Cur-
400
H
H
H
H
CODE = FFF
3
C
AD7394
AD7394
1M
D
2
500
1
H
600
10M
0
Figure 14. AD7394 Power Supply
Rejection vs. Frequency
1.262
1.257
1.252
1.247
1.242
1.237
80
70
60
50
40
30
20
10
Figure 17. Midscale Transition
Performance
0
1
V
DD
= 3.0V,
10
FREQUENCY – Hz
5%
TIME – 2 s/DIV
–8–
100
V
V
T
CODE = 800
5mV/DIV
A
DD
REF
V
= +25 C
DD
= +5V
= 2.5V
= 5.0V,
1k
T
A
H
= +25 C
TO 7FF
5%
10k
H
Figure 15. AD7394 I
vs. V
Figure 18. AD7395 Reference Multi-
plying Bandwidth
20
18
16
14
12
10
10
15
20
25
30
35
40
45
50
8
6
4
2
0
0
5
0
OUT
V
CODE = FFF
100
V
DD
1
DD
= 5V
= 5V
2
3
FREQUENCY – Hz
H
1k
4
V
OUT
OUT
5
V
– LSB
DD
6
Sink Current
= 3V
V
CODE = 800
10k
REF
7
= 2.5V
8
REV. 0
9
H
100k
10