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AD5432 Datasheet(PDF) 9 Page - Analog Devices

Part # AD5432
Description  8-/10-/12-Bit High Bandwidth Multiplying DACs with Serial Interface
PDF  24 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD5432 Datasheet(HTML) 9 Page - Analog Devices

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REV. 0
AD5426/AD5432/AD5443
–9–
FREQUENCY (Hz)
3.5
0
100M
3.0
2.0
1.5
1.0
0.5
2.5
10M
1M
100k
10k
1k
100
10
1
TA = 25 C
AD5443
LOADING 010101010101
VCC = 5V
VCC = 3V
TPC 19. Supply Current vs.
Update Rate
–9.00
–6.00
–3.00
0.00
3.00
10k
100k
1M
10M
100M
FREQUENCY (Hz)
TA = 25 C
VDD = 5V
AD8038 AMPLIFIER
VREF = 2V, AD8038 CC 1.47pF
VREF = 2V, AD8038 CC 1pF
VREF = 0.15V, AD8038 CC 1pF
VREF = 0.15V, AD8038 CC 1.47pF
VREF = 3.51V, AD8038 CC 1.8pF
TPC 22. Reference Multiplying
Bandwidth vs. Frequency and
Compensation Capacitor
–120
–100
–80
–60
0
20
110
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
–40
–20
TA = 25 C
VDD = 3V
AMP = AD8038
FULL SCALE
ZERO SCALE
TPC 25. Power Supply Rejection vs.
Frequency
–102
–66
–54
–42
–30
–18
–6
6
110
100
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
TA = 25 C
LOADING
ZS TO FS
0
–60
–48
–36
–24
–12
–84
–72
–78
–90
–96
TA = 25 C
VDD = 5V
VREF =
3.5V
INPUT
CCOMP = 1.8pF
AD8038 AMPLIFIER
ALL ON
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
ALL OFF
TPC 20. Reference Multiplying
Bandwidth vs. Frequency and Code
TIME (ns)
0.060
–0.020
0.050
0.020
0.010
0.000
–0.010
0.040
0.030
300
250
200
150
100
50
0
TA = 25 C
VREF = 0V
AD8038 AMP
CCOMP = 1.8pF
AD5443
VDD 3V, 0V REF
NRG = 0.088nVs
800H TO 7FFH
VDD 5V, 0V REF
NRG = 0.119nVs,
800H TO 7FFH
VDD 3V, 0V REF
NRG = 1.877nVs
7FFH TO 800H
VDD 5V, 0V REF
NRG = 2.049nVs
7FFH TO 800H
TPC 23. Midscale Transition
VREF = 0 V
–90
–85
–80
–65
–60
110
100
1k
10k
100k
1M
FREQUENCY (Hz)
–75
–70
TA = 25 C
VDD = 3V
VREF = 3.5V p-p
TPC 26. THD and Noise vs.
Frequency
–0.8
–0.6
–0.4
–0.2
0
0.2
110
100
1k
10k 100k 1M
100M
FREQUENCY (Hz)
TA = 25 C
VDD = 5V
VREF =
3.5V
CCOMP = 1.8pF
AD8038 AMPLIFIER
10M
TPC 21. Reference Multiplying
Bandwidth—All Ones Loaded
TIME (ns)
–1.700
–1.760
300
–1.710
–1.720
–1.730
–1.740
–1.750
250
200
150
100
50
0
TA = 25 C
VREF = 3.5V
AD8038 AMP
CCOMP = 1.8pF
AD5443
VDD 3V, 3.5V REF
NRG = 0.647nVs
800H TO 7FFH
VDD 5V, 3.5V REF, NRG = 0.364nVs,
800H TO 7FFH
VDD 3V, 3.5V REF
NRG = 1.433nVs
7FFH TO 800H
VDD 5V, 3.5V REF
NRG = 1.184nVs
7FFH TO 800H
TPC 24. Midscale Transition
VREF = 3.5 V
TEMPERATURE ( C)
0.7
0
120
0.6
0.4
0.3
0.2
0.1
0.5
100
80
60
40
20
0
–20
–40
VDD = 5V
VDD = 3V
ALL 1s
ALL 0s
TPC 27. Supply Current
vs. Temperature



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