AD7248A Analog Devices, AD7248A Datasheet - Page 7

• Manufacturer Part Number: AD7248A
• Description: 12-Bit DACPORT with Double-Buffered Byte Loading
• Manufacturer: Analog Devices

Specifications of AD7248A

• Resolution (bits): 12bit
• Dac Update Rate: 142kSPS
• Dac Settling Time: 7µs
• Max Pos Supply (v): +16.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Byte

500
200
100
50
20
10
7
6
5
4
3
2
1
0
–55
50
REFERENCE DECOUPLING COMPONENTS AS PER FIGURE 8
100
0%
100
90
10
I
I
I
I
–25
DD
SS
DD
DD
(V
(V
200
(V
(V
1mV
SS
SS
SS
SS
= –15V)
= –15V, V
= –15V, V
= 0V, V
0
500
TEMPERATURE – C
IN
FREQUENCY – Hz
= 0V OR V
IN
IN
REFERENCE (NO DECOUPLING)
1k
25
= V
= 0V OR V
2V
ALL 0s ON DAC
OUTPUT WITH
INL
REFERENCE (DECOUPLED )
2k
OR V
DD
)
DD
Typical Performance Characteristics–
INH
)
5k
1 s
)
70
10k
85
V
V
V
T
DD
DD
SS
A
20k
= 25 C
= +15V
= 0V
= 15V
125
50k
4.995
5.000
5.005
5.010
80
60
40
20
0
POWER SUPPLY DECOUPLING CAPACITORS ARE 10 F AND 0.1 F
50
–55
100mV p-p SIGNAL
V
100
0%
10
DD
90
OUTPUT WITH ALL
OUTPUT WITH ALL
= 15V WITH
–25
100
1s ON DAC
0s ON DAC
1mV
200
0
FREQUENCY – Hz
TEMPERATURE – C
AD7245A/AD7248A
2V
1k
25
NO DECOUPLING
2k
DECOUPLING
DECOUPLING
1 s
NO
DECOUPLING
10k
70
20k
85
100k
125