AD5170 Analog Devices, AD5170 Datasheet - Page 9

• Manufacturer Part Number: AD5170
• Description: 256-Position Two-Time Programmable I2C Digital Potentiometer
• Manufacturer: Analog Devices

–10
–20
–30
–12
–18
–24
–30
–36
–42
–48
–54
–60
–12
–18
–24
–30
–36
–42
–48
–54
–60
50
40
30
20
10
–6
–6
0
0
0
10k
1k
0
Figure 14. Potentiometer Mode Tempco ∆V
Figure 15. Gain vs. Frequency vs. Code, R
Figure 16. Gain vs. Frequency vs. Code, R
32
V
T
DD
A
= –40°C TO +85°C, –40°C TO +125°C
64
= 2.7V
100k
10k
V
T
0x80
0x40
0x20
0x10
0x08
0x04
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
96
CODE (DECIMAL)
0x02
FREQUENCY (Hz)
FREQUENCY (Hz)
DD
A
= –40°C TO +85°C, –40°C TO +125°C
= 5.5V
0x01
128
160
100k
1M
192
WB
AB
AB
R
/∆T vs. Code
AB
= 2.5 kΩ
= 10 kΩ
= 10kΩ
224
10M
256
1M
Rev. 0 | Page 9 of 24
–12
–18
–24
–30
–36
–42
–48
–54
–60
–12
–18
–24
–30
–36
–42
–48
–54
–60
–12
–18
–24
–30
–36
–42
–48
–54
–60
–6
–6
–6
0
0
0
1k
1k
1k
Figure 18. Gain vs. Frequency vs. Code, R
Figure 17. Gain vs. Frequency vs. Code, R
Figure 19. –3 dB Bandwidth @ Code = 0x80
10k
100kΩ
60kHz
10k
10k
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
50kΩ
120kHz
100k
10kΩ
570kHz
100k
100k
2.5kΩ
2.2MHz
1M
AB
AB
= 100 kΩ
= 50 kΩ
AD5170
10M
1M
1M