AD5271BRMZ-20 Analog Devices Inc, AD5271BRMZ-20 Datasheet - Page 14

• Manufacturer Part Number: AD5271BRMZ-20
• Description: IC DGTL POT 20K 256POS 10MSOP
• Manufacturer: Analog Devices Inc

Specifications of AD5271BRMZ-20

• Taps: 256
• Resistance (ohms): 20K
• Number Of Circuits: 1
• Temperature Coefficient: 5ppm/°C
• Memory Type: Non-Volatile
• Interface: SPI Serial
• Voltage - Supply: ±2.5 V ~ ±2.75 V, 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Resistance In Ohms: *
• End To End Resistance: 20kohm
• Track Taper: Linear
• Resistance Tolerance: ± 1%
• No. Of Steps: 256
• Supply Voltage Range: 2.7V To 5.5V
• Control Interface: Serial, SPI
• No. Of Pots: Single
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD5270/AD5271
50
45
40
35
30
25
20
15
10
5
0
–10
–20
–30
–40
–50
–60
–10
–20
–30
–40
–50
–60
0
0
0
0
1k
1k
0x200 (0x80)
0x100 (0x40)
0x080 (0x20)
0x040 (0x10)
0x020 (0x08)
0x010 (0x04)
0x008 (0x02)
0x004 (0x01)
0x002
0x001
0x200 (0x80)
0x100 (0x40)
0x080 (0x20)
0x040 (0x10)
0x020 (0x08)
0x010 (0x04)
0x008 (0x02)
0x004 (0x01)
0x002
0x001
Figure 26. 20 kΩ Gain vs. Code vs. Frequency
Figure 27. 50 kΩ Gain vs. Code vs. Frequency
Figure 25. Tempco ΔR
256
64
10k
10k
CODE (Decimal)
FREQUENCY (Hz)
FREQUENCY (Hz)
512
128
100k
100k
WA
/ΔT vs. Code
768
192
V
DD
AD5270 (AD5271)
AD5270 (AD5271)
/V
1M
1M
SS
= 5V/0V
20kΩ
50kΩ
100kΩ
1023
255
10M
10M
AD5270
AD5271
Rev. E | Page 14 of 24
7
6
5
4
3
2
1
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
–10
–20
–30
–40
–50
–60
–70
0
0
100
1k
V
CODE = HALF SCALE
0x200 (0x80)
0x100 (0x40)
0x080 (0x20)
0x040 (0x10)
0x020 (0x08)
0x010 (0x04)
0x008 (0x02)
0x004 (0x01)
0x002
0x001
DD
Figure 28. Theoretical Maximum Current vs. Code
Figure 29. 100 kΩ Gain vs. Code vs. Frequency
/V
SS
50kΩ
100kΩ
20kΩ
= 5V/0V
256
64
10k
Figure 30. PSRR vs. Frequency
CODE (Decimal)
1k
FREQUENCY (Hz)
FREQUENCY (Hz)
512
128
100k
10k
768
192
V
DD
AD5270 (AD5271)
/V
1M
SS
= 5V/0V
20kΩ
50kΩ
100kΩ
1023
255
100k
10M
AD5270
AD5271