AD7394 Analog Devices, AD7394 Datasheet - Page 10

• Manufacturer Part Number: AD7394
• Description: +3/+5V Dual, Serial-Input 12-Bit DAC
• Manufacturer: Analog Devices

Specifications of AD7394

• Resolution (bits): 12bit
• Dac Update Rate: 17kSPS
• Dac Settling Time: 60µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Ser

AD7394
1800
1600
1400
1200
1000
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
800
600
400
200
0
2
1k
A: I
B: I
C: V
D: V
Figure 13. Supply Current vs. Clock Frequency
Figure 12. Logic Threshold vs. Supply Voltage
DD
DD
DD
DD
= 2.7V, CODE = 555
= 2.7V, CODE = 3FF
V
3
= 5.5V, CODE = 155
= 5.5V, CODE = 3FF
LOGIC
10k
FROM LOW TO HIGH
CLOCK FREQUENCY (Hz)
V
LOGIC
4
V
FROM HIGH TO LOW
DD
100k
H
H
H
H
(V)
A
5
B
1M
C
6
D
10M
7
Rev. A | Page 10 of 16
20
18
16
14
12
10
80
70
60
50
40
30
20
10
8
6
4
2
0
0
0
1
Figure 14. Power Supply Rejection vs. Frequency
1
V
V
Figure 15. I
DD
DD
2
= 3.0V, ±5%
= 5V
10
3
OUT
FREQUENCY (Hz)
4
ΔV
Sink Current vs. ΔV
OUT
100
5
(LSB)
V
DD
V
DD
6
= 5.0V, ±5%
= 3V
V
CODE = 800
REF
7
1k
= 2.5V
OUT
8
T
A
H
= 25°C
9
10k
10