EVAL-AD5142DBZ View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
EVAL-AD5142DBZ
Analog Devices
'EVAL-AD5142DBZ' PDF : 32 Pages View PDF
Data Sheet
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
10
QUARTER SCALE
MIDSCALE
FULL-SCALE
100
1k
10k
FREQUENCY (Hz)
VDD/VSS = ±2.5V
RAB = 100kΩ
100k
1M
Figure 26. Normalized Phase Flatness vs. Frequency, RAB = 100 kΩ
600
100kΩ, VDD = 2.3V
100kΩ, VDD = 2.7V
100kΩ, VDD = 3V
500
100kΩ, VDD = 3.6V
100kΩ, VDD = 5V
100kΩ, VDD = 5.5V
10kΩ, VDD = 2.3V
400
10kΩ, VDD = 2.7V
10kΩ, VDD = 3V
10kΩ, VDD = 3.6V
10kΩ, VDD = 5V
300
10kΩ, VDD = 5.5V
200
100
0
0
1
2
3
4
5
VOLTAGE (V)
Figure 27. Incremental Wiper On Resistance vs. Positive Power Supply (VDD)
10
10kΩ + 0pF
9
10kΩ + 75pF
10kΩ + 150pF
8
10kΩ + 250pF
100kΩ + 0pF
100kΩ + 75pF
7
100kΩ + 150pF
100kΩ + 250pF
6
5
4
3
2
1
0
0
20
40
60
80
100
120 AD5142
0
10
20
30
40
50
60 AD5122
CODE (Decimal)
Figure 28. Maximum Bandwidth vs. Code vs. Net Capacitance
AD5122/AD5142
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–0.1
0
0x80 TO 0x7F 100kΩ
0x80 TO 0x7F 10kΩ
5
10
15
TIME (µs)
Figure 29. Maximum Transition Glitch
0.0025
1.2
1.0
0.0020
0.8
0.0015
0.6
0.0010
0.4
0.0005
0.2
0
0
–600 –500 –400 –300 –200 –100 0 100 200 300 400 500 600
RESISTOR DRIFT (ppm)
Figure 30. Resistor Lifetime Drift
0
10kΩ, RDAC1
–10 100kΩ, RDAC1
–20
VDD = 5V ±10% AC
VSS = GND, VA = 4V, VB = GND
CODE = MIDSCALE
–30
–40
–50
–60
–70
–80
–90
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 31. Power Supply Rejection Ratio (PSRR) vs. Frequency
Rev. C | Page 17 of 32
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