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AD5112 Datasheet(PDF) 15 Page - Analog Devices

Part No. AD5112
Description  Single-Channel, 128-/64-/32-Position, I2C, ±8% Resistor Tolerance, Nonvolatile Digital Potentiometer
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD5112 Datasheet(HTML) 15 Page - Analog Devices

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Data Sheet
AD5110/AD5112/AD5114
Rev. 0 | Page 15 of 28
0
100
–100
200
300
400
500
600
700
800
–40
–25
–10
5
20
35
TEMPERATURE (°C)
50
65
80
95
110
125
2.3V AVERAGE OF IDD
2.3V AVERAGE OF ILOGIC
3.3V AVERAGE OF IDD
3.3V AVERAGE OF ILOGIC
5.0V AVERAGE OF IDD
5.0V AVERAGE OF ILOGIC
Figure 17. Supply Current vs. Temperature
0
20
40
60
80
100
120
140
160
180
200
10kΩ
80kΩ
5kΩ
0
20
40
60
CODE (Decimal)
80
100
120
0
10
20
30
40
50
60
0
5
10
15
20
25
30
AD5110
AD5112
AD5114
VDD = 5V
Figure 18. Potentiometer Mode Tempco (
(ΔVW/VW)/ΔT × 106) vs. Code
0
–60
–50
–40
–30
–20
–10
100M
10M
1M
100k
10k
FREQUENCY (Hz)
0x20
0x10
0x08
0x04
0x02
0x01
0x00
Figure 19. 5 kΩ Gain vs. Frequency vs. Code
–0.02
0
0.02
0.04
0.06
0.08
0.10
0.12
5.0
4.5
4.0
3.5
3.0
2.5
DIGITAL INPUT VOLTAGE (V)
2.0
1.5
1.0
0.5
0
VLOGIC = 5.0V
VLOGIC = 3.3V
VLOGIC = 2.3V
VLOGIC = 1.8V
Figure 20. Supply Current (ILOGIC) vs. Digital Input Voltage
0
20
40
60
80
100
120
140
160
180
200
0
20
40
60
CODE (Decimal)
80
100
120
0
10
20
30
40
50
60
0
5
10
15
20
25
30
10kΩ
80kΩ
5kΩ
VDD = 5V
AD5110
AD5112
AD5114
Figure 21. Rheostat Mode Tempco (
(ΔRWB/RWB)/ΔT × 106) vs. Code
–50
–40
–30
–10
0
1M
10M
100k
10k
FREQUENCY (Hz)
0x40
0x10
0x04
0x02
–20
–70
–60
0x08
0x01
0x20
0x00
(0x20)
(0x08)
(0x02)
(0x01)
(0x04)
(0x00)
(0x10)
[0x10]
[0x04]
[0x01]
[0x00]
[0x02]
[0x08]
AD5110 (AD5112) [AD5114]
Figure 22. 10 kΩ Gain vs. Frequency vs. Code


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