AD5450 Analog Devices, AD5450 Datasheet - Page 11

• Manufacturer Part Number: AD5450
• Description: 8-Bit High Bandwidth Multiplying DACs with Serial Interface
• Manufacturer: Analog Devices

Specifications of AD5450

• Resolution (bits): 8bit
• Dac Update Rate: 2.7MSPS
• Dac Settling Time: 100ns
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Ser,SPI

6
5
4
3
2
1
0
2.5
2.0
1.5
1.0
0.5
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1
0
0
–40
0
T
AD5452
LOADING 010101010101
A
Figure 24. Supply Current vs. Logic Input Voltage
T
= 25°C
A
= 25°C
Figure 25. Supply Current vs. Temperature
Figure 26. Supply Current vs. Update Rate
–20
10
1
0
100
V
V
DD
DD
V
FREQUENCY (Hz)
INPUT VOLTAGE (V)
TEMPERATURE (°C)
20
DD
= 5V
= 3V
1k
2
= 3V
40
10k
V
DD
60
3
= 5V
100k
80
V
DD
4
ALL 1s
ALL 0s
1M
= 5V
100
V
DD
= 3V
120
10M
5
Rev. E | Page 11 of 32
Figure 28. Reference Multiplying Bandwidth vs. Frequency and Code
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
–10
–20
–30
–40
–50
–60
–70
–80
Figure 29. Reference Multiplying Bandwidth—All 1s Loaded
0.6
0.4
0.2
10
0
0
2.5
0
10k
10k
T
AD5450/AD5451/AD5452/AD5453
T
V
V
C
AD8038 AMPLIFIER
A
Figure 27. Threshold Voltage vs. Supply Voltage
ALL ON
A
DD
REF
COMP
= 25°C
= 25°C
DB13
DB12
DB11
DB10
= 5V
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
= ±3.5V
3.0
= 1.8pF
100k
100k
3.5
FREQUENCY (Hz)
FREQUENCY (Hz)
VOLTAGE (V)
4.0
1M
1M
V
IH
4.5
V
V
C
AD8038 AMPLIFIER
DD
REF
COMP
10M
10M
V
= 5V
= ±3.5V
IL
= 1.8pF
5.0
T
LOADING
ZS TO FS
A
= 25°C
100M
100M
5.5