AD5424 Analog Devices, AD5424 Datasheet - Page 14

• Manufacturer Part Number: AD5424
• Description: High Bandwidth CMOS 8-Bit Parallel Interface Multiplying D/A Converter
• Manufacturer: Analog Devices

Specifications of AD5424

• Resolution (bits): 8bit
• Dac Update Rate: 20.4MSPS
• Dac Settling Time: 30ns
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Par

AD5424/AD5433/AD5445
–100
–120
–60
–65
–70
–75
–80
–85
–90
–20
–40
–60
–80
20
0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1
0
1
2.5
T
V
AMP = AD8038
T
V
V
T
A
DD
A
DD
REF
A
= 25°C
= 25°C
= 25°C
Figure 33. Threshold Voltages vs. Supply Voltage
Figure 34. Power Supply Rejection vs. Frequency
= 3V
= 3V
= 3.5V p-p
10
10
Figure 35. THD and Noise vs. Frequency
3.0
FULL SCALE
100
100
3.5
FREQUENCY (Hz)
FREQUENCY (Hz)
1k
V
VOLTAGE (V)
IH
ZERO SCALE
1k
4.0
10k
V
IL
10k
4.5
100k
100k
5.0
1M
10M
1M
5.5
Rev. C | Page 14 of 28
100
–10
–20
–30
–40
–50
–60
–70
–80
–90
90
80
70
60
50
40
30
20
10
80
60
40
20
0
0
0
0
0
0
Figure 38. Wideband SFDR, f
MCLK = 1MHz
MCLK = 200kHz
MCLK = 25MHz
100
20
Figure 36. Wideband SFDR vs. f
Figure 37. Wideband SFDR vs. f
MCLK = 5MHz
2
200
40
300
60
4
MCLK = 10MHz
FREQUENCY (MHz)
400
80
f
f
MCLK = 0.5MHz
OUT
OUT
500
100
6
OUT
(kHz)
(kHz)
= 100 kHz, Clock = 25 MHz
600
120
OUT
OUT
8
T
V
AD8038 AMPLIFIER
AD5445
T
V
AD8038 AMPLIFIER
AD5445
140
700
A
A
REF
REF
= 25°C
Frequency
= 25°C
Frequency
T
V
AMP = AD8038
AD5445
65k CODES
A
DD
= 3.5V
= 3.5V
= 25°C
800
160
= 5V
Data Sheet
10
180
900 1000
200
12