AD7847 Analog Devices, AD7847 Datasheet - Page 6

• Manufacturer Part Number: AD7847
• Description: LC2MOS Complete, Dual 12-Bit MDAC, Parallel Loading Structure
• Manufacturer: Analog Devices

Specifications of AD7847

• Resolution (bits): 12bit
• Dac Update Rate: 250kSPS
• Dac Settling Time: 4µs
• Max Pos Supply (v): +15.75V
• Single-supply: No
• Dac Type: Voltage Out
• Dac Input Format: Par

AD7837/AD7847–Typical Performance Graphs
–100
–20
–10
–30
0.5
0.4
0.0
10
0.3
0.2
0.1
–50
–60
–70
–80
–90
0
10
0.1
0
4
V
V
V
DAC CODE = 111...111
DD
SS
REF
V
V
V
DAC CODE = 000...000
= –15V
= +15V
DD
SS
REF
= +20Vp–p
11
= –15V
= +15V
= 20V p-p
1
FREQUENCY – Hz
10
FREQUENCY – kHz
V
5
DD
/V
SS
13
10
– Volts
V
REF
10
6
= 7.5V
15
100
INL
DNL
10
1000
17
7
400
300
200
100
20
25
15
10
5
0
0
0.01
V
10
HORIZ 2 s/DIV
OUT
LOAD RESISTANCE –
0.1
ZERO SCALE
100
FREQUENCY – Hz
V
V
V
DAC CODE = 111...111
V
V
V
DAC CODE = 111...111
DD
SS
REF
DD
SS
REF
= –15V
= +15V
= +15V
= –15V
= 0V
1
= +20Vp–p @ 1kHz
1k
VERT 2V/DIV
FULL SCALE
10
10k
100
–100
–0.2
–0.4
–0.6
–0.2
–0.4
–0.6
–40
–50
–60
–70
–80
–90
0.6
0.4
0.2
0.6
0.4
0.2
0
0
0.1
0
A1 –0.01V
200mV
V
V
V
DAC CODE = 111...111
DD
SS
REF
= –15V
= +15V
= 6V rms
50mV
FREQUENCY – kHz
V
V
1
DD
SS
= –15V
= +15V
CODE
L
2048
B
w
10
2 s
DAC A
DAC B
4095
100