DAC08 Analog Devices, DAC08 Datasheet - Page 8

• Manufacturer Part Number: DAC08
• Description: 8-Bit, High Speed, Multiplying D/A Converter (Universal Digital Logic Interface)
• Manufacturer: Analog Devices

Specifications of DAC08

• Resolution (bits): 8bit
• Dac Update Rate: 11.8MSPS
• Dac Settling Time: 85ns
• Max Pos Supply (v): +18V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Par

DAC08
TYPICAL PERFORMANCE CHARACTERISTICS
1.0mA
2.0mA
I
–0.5mA
–2.5mA
OUT
0mA
(0000|0000)
2.4V
0.4V
8µA
2.5V
0.5V
0V
0
Figure 8. True and Complementary Output Operation
R
R
C
EQ
L
C
5mV
= 100Ω
= 0
≈ 200Ω
1V
Figure 7. Fast Pulsed Reference Operation
100mV
100mV
2V
Figure 9. LSB Switching
50ns/DIVISION
200ns/DIVISION
I
REF
= 2mA
50ns
200ns
(1111|1111)
I
I
OUT
OUT
Rev. C | Page 8 of 20
SETTLING
OUTPUT
500
400
300
200
100
2
5
4
3
1
0
0
–1/2LSB
+1/2LSB
0
T
ALL BITS HIGH
2.4V
0.4V
Figure 11. Full-Scale Current vs. Reference Current
A
0V
= T
1LSB = 7.8µA
SETTLING TIME FIXTURE
I
1/2LSB = 4µA
FS
MIN
Figure 12. LSB Propagation Delay vs. I
0.005
= 2mA, R
I
FS
Figure 10. Full-Scale Settling Time
TO T
1
1V
, OUTPUT FULL-SCALE CURRENT (mA)
I
REF
0.01
MAX
10mV
, REFERENCE CURRENT (mA)
L
0.02
= 1kΩ
2
0.05
ALL BITS SWITCHED ON
LIMIT FOR
V– = –5V
0.10
0.20
LIMIT FOR
3
V– = –15V
0.50
1.00
1LSB = 61nA
4
FS
2.00
50ns
50ns/DIVISION
5.00
10.00
5