AD5245 Analog Devices, AD5245 Datasheet - Page 9

• Manufacturer Part Number: AD5245
• Description: 256-Position I2C Compatible Digital Potentiometer
• Manufacturer: Analog Devices

–10.0
–10.5
–5.5
–6.0
–6.5
–7.0
–7.5
–8.0
–8.5
–9.0
–9.5
60
40
20
REF LEVEL
–5.000dB
START 1 000.000Hz
900
800
700
600
500
400
300
200
100
0
100
10k
10k
0
R = 100kΩ
PSRR @ V
Figure 21. –3 dB Bandwidth @ Code = 0x80
Figure 22. PSRR vs. Frequency
Figure 23. I
1k
DD
/DIV
0.500dB
= 5V DC ± 10% p-p AC
PSRR @ V
100k
100k
R = 50kΩ
FREQUENCY (Hz)
CODE = 0xFF
FREQUENCY (Hz)
R = 10kΩ
DD
CODE = 0x80, V
DD
CODE = 0x55
vs. Frequency
10k
= 3V DC ± 10% p-p AC
STOP 1 000 000.000Hz
1M
V
1M
DD
R = 5kΩ
A
100k
5kΩ – 1.026 MHz
10kΩ – 511 MHz
50kΩ – 101 MHz
100kΩ – 54 MHz
= V
= 5V
DD
, V
B
= 0V
10M
1M
10M
Rev. 0 | Page 9 of 16
1
1
1
2
2
2
Ch 1
Ch 1
Ch 1
Figure 26. Large Signal Settling Time, Code 0xFF–0x00
100mV
200mV
Figure 25. Midscale Glitch, Code 0x80–0x7F
5.00V
Figure 24. Digital Feedthrough
B W
B W
B W
Ch 2
Ch 2
Ch 2
5.00 V
5.00 V
5.00 V
B W
B W
B W
M 200ns A CH1 152mV
M 200ns
M 100ns
V
V
A
B
A CH2 3.00 V
A CH1 3.00 V
= 5V
= 0V
V
V
A
B
= 5V
= 0V
AD5245
VW
SCL
SCL
VW
VW
SCL