AD5308 Analog Devices, AD5308 Datasheet - Page 11

• Manufacturer Part Number: AD5308
• Description: 2.5 V to 5.5 V Octal Voltage Output 8-Bit DACs in 16-Lead TSSOP
• Manufacturer: Analog Devices

Specifications of AD5308

• Resolution (bits): 8bit
• Dac Update Rate: 167kSPS
• Dac Settling Time: 6µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Ser,SPI

Figure 18. Supply Current vs. Logic Input Voltage for SCLK and DIN Increasing
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0
2.0
0
2.0
Figure 17. Power-Down Current vs. Supply Voltage
DECREASING
T
T
A
Figure 16. Supply Current vs. Supply Voltage
A
0.5
= 25°C
= 25°C
V
V
2.5
REF
REF
V
2.5
REF
1.0
= 2V, GAIN = +1, UNBUFFERED
= V
= V
DD
3.0
1.5
DD
, GAIN = +1, UNBUFFERED
and Decreasing
3.0
SUPPLY VOLTAGE (V)
2.0
INCREASING
3.5
V
V
V
V
BUFFERED
LOGIC
DD
DD
REF
2.5
3.5
= 3V
(V)
= 2V, GAIN = +1,
(V)
4.0
3.0
4.0
3.5
4.5
4.0
T
V
A
DD
4.5
5.0
= 25°C
= 5V
4.5
5.5
5.0
5.0
Rev. F | Page 11 of 28
CH1
CH2
CH1
CH2
CH1
CH2
Figure 19. Half-Scale Settling (1/4 to 3/4 Scale Code Change)
T
V
V
T
V
V
T
V
V
A
A
DD
REF
DD
REF
SCLK
A
DD
REF
V
= 25°C
= 25°C
= 25°C
OUT
= 5V
= 5V
Figure 21. Exiting Power-Down to Midscale
= 5V
= 5V
= 2V
CH1 500V, CH2 5.00mV, TIME BASE = 1μs/DIV
= 2V
CH1 2.00V, CH2 200mV, TIME BASE = 200μs/DIV
A
PD
CH1 1V, CH2 5V, TIME BASE = 1μs/DIV
Figure 20. Power-On Reset to 0 V
V
V
AD5308/AD5318/AD5328
OUT
V
DD
OUT
A
A