AD5425YRM View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD5425YRM Datasheet PDF : 28 Pages
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AD5425
0.7
TA = 25°C
0.6
0.5
VDD = 5V
0.4
0.3
0.2
VDD = 2.5V
0.1
VDD = 3V
0
0
1
2
3
4
5
INPUT VOLTAGE (V)
Figure 16. Supply Current vs. Input Voltage
1.8
TA = 25°C
1.6
1.4
VIH
1.2
1.0
VIL
0.8
0.6
0.4
0.2
0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VOLTAGE (V)
Figure 17. Threshold Voltages vs. Supply Voltage
0.2
0
–0.2
–0.4
–0.6
TA = 25°C
VDD = 5V
VREF = ±3.5V
CCOMP = 1.8pF
AD8083 AMPLIFIER
–0.8
1
10 100 1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
Figure 18. Reference Multiplying Bandwidth—All 1s Loaded
0.060
0.050
0.040
0.030
0.020
0.010
0
–0.010
–0.020
0
VDD 5V, 0V REF
NRG = 2.049nVs
07xFF TO 0x800
TA = 25°C
VREF = 0V
AD8038 AMPLIFIER
CCOMP = 1.8pF
VDD 3V, 0V REF
NRG = 0.088nVs
0x800 TO 0x7FF
VDD 3V, 0V REF
NRG = 1.877nVs
0x7FF TO 0x800
VDD 5V, 0V REF
NRG = 0.119nVs,
0x800 TO 0x7FF
50
100
150
200
250
300
TIME (ns)
Figure 19. Midscale Transition, VREF = 3.5 V
6
0
TA = 25°C
LOADING
–6 ZS TO FS
–12
–18
–24
–30
–36
–42
–48
–54
–60
–66
–72
–78
–84
–90
–96
–102
1
10
ALL ON
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
ALL OFF
TA = 25°C
VDD = 5V
VREF = ±3.5V
INPUT
CCOMP = 1.8pF
AD8083 AMPLIFIER
100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
Figure 20. Reference Multiplying Bandwidth vs. Frequency and Code
3
VREF = ±0.15V, AD8038 CC 1pF
VREF = ±2V, AD8038 CC 1pF
0
VREF = ±3.51V, AD8038 CC 1.8pF
VREF = ±2V, AD8038 CC 1.47pF
–3
VREF = ±0.15V, AD8038 CC 1.47pF
–6
TA = 25°C
VDD = 5V
–9 AD8038 AMPLIFIER
10k
100k
1M
10M
FREQUENCY (Hz)
100M
Figure 21. Reference Multiplying Bandwidth vs. Frequency and
Compensation Capacitor
Rev. A | Page 10 of 28
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