AD5280BRUZ20 Analog Devices Inc, AD5280BRUZ20 Datasheet - Page 9

• Manufacturer Part Number: AD5280BRUZ20
• Description: IC DGTL POT 15V 20K 14-TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD5280BRUZ20

• Temperature Coefficient: 30 ppm/°C Typical
• Taps: 256
• Resistance (ohms): 20K
• Number Of Circuits: 1
• Memory Type: Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 4.5 V ~ 16.5 V, ±4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP
• Resistance In Ohms: 20K
• End To End Resistance: 20kohm
• No. Of Steps: 256
• Resistance Tolerance: ± 30%
• Control Interface: Serial, I2C, 2-Wire
• No. Of Pots: Single
• Potentiometer Ic Case: RoHS Compliant
• Supply Voltage Range: ± 4.5V To ± 5.5V, 4.5V To 16.5V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 19. Rheostat Mode Tempco ΔR
1000
–100
–200
100
700
600
500
400
300
200
100
120
100
–20
–40
10
80
60
40
20
0
0
Figure 20. Potentiometer Mode Tempco ΔV
0
0
0
Figure 18. V
32
32
1
LOGIC
20kΩ
50kΩ
200kΩ
20kΩ
50kΩ
200kΩ
64
64
Supply Current vs. Digital Input Voltage
V
CODE (Decimal)
CODE (Decimal)
2
DD
96
96
V
V
/V
DD
LOGIC
V
SS
IH
/V
= ±5 V
(V)
SS
= 3V
128
128
= 5V/0V
WB
3
/ΔT vs. Code, V
V
V
192
192
DD
LOGIC
/V
WB
R
T
SS
A
AB
/ΔT vs. Code,
T
T
= 5V
4
= 25°C
A
A
= 5V/0V
= 20kΩ
224
224
= 25°C
= 25°C
DD
/V
SS
= ±5 V
256
256
5
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–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
0
0
0
Figure 23. Gain vs. Frequency vs. Code, R
Figure 21. Gain vs. Frequency vs. Code, R
Figure 22. Gain vs. Frequency vs. Code, R
80H
40H
20H
10H
08H
04H
02H
01H
10k
10k
10k
80H
40H
20H
10H
08H
04H
02H
01H
80H
40H
20H
10H
08H
04H
02H
01H
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
AD5280/AD5282
100k
100k
100k
T
V
V
T
V
V
T
V
V
A
A
DD
A
A
DD
A
A
DD
AB
AB
AB
= 25°C
= 50mV rms
= 25°C
= 50mV rms
= 25°C
= 50mV rms
/V
/V
/V
= 200 kΩ
= 20 kΩ
= 50 kΩ
SS
SS
SS
= ±5V
= ±5
= ±5V
1M
1M
1M