ad5258 Analog Devices, Inc., ad5258 Datasheet - Page 11

• Manufacturer Part Number: ad5258
• Description: Nonvolatile, I2c-compatible 64-position, Digital Potentiometer
• Manufacturer: Analog Devices, Inc.

–12
–18
–24
–30
–36
–42
–48
–54
–60
–6
0
1k
–12
–18
–24
–30
–36
–42
–48
–54
–60
Figure 24. Gain vs. Frequency vs. Code, R
–6
Figure 23. Gain vs. Frequency vs. Code, R
0
1k
10k
0x20
0x10
0x08
0x04
0x02
0x01
FREQUENCY (Hz)
10k
0x20
0x10
0x08
0x04
0x02
0x01
FREQUENCY (Hz)
100k
100k
AB
AB
= 100 kΩ
= 50 kΩ
1M
1M
Rev. A | Page 11 of 24
10k
100
1k
10
80
60
40
20
0
100
Figure 26. Power Supply Rejection Ratio vs. Frequency
0
CODE = MIDSCALE, V
PSRR @ V
Figure 25. Logic Supply Current vs. Input Voltage
1
LOGIC
1k
PSRR @ V
= 3V DC ± 10% p-p AC
V
A
FREQUENCY (Hz)
DD
2
= V
= V
LOGIC
V
LOGIC
IH
LOGIC
10k
(V)
, V
= 5V DC ± 10% p-p AC
V
B
= 3V
DD
3
= 0V
= V
LOGIC
100k
= 5V
4
AD5258
1M
5