AD5280BRUZ20 Analog Devices Inc, AD5280BRUZ20 Datasheet - Page 12

• 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

AD5280/AD5282
TEST CIRCUITS
Figure 33 to Figure 43 define the test conditions used in the product specification table.
Figure 33. Potentiometer Divider Nonlinearity Error (INL, DNL)
V
MS2
V+
Figure 36. Power Supply Sensitivity (PSS, PSSR)
Figure 34. Resistor Position Nonlinearity Error
(Rheostat Operation; R-INL, R-DNL)
NO CONNECT
V+
V
DD
Figure 35. Wiper Resistance
DUT
A
B
V
DUT
A
B
A
A
B
W
W
DUT
A
B
W
V
W
W
V+ = V
PSRR (dB) = 20 LOG
PSS (%/%) =
V
I
W
MS1
V+ = V
1LSB = V+/2
= V
R
W
DD
DD
= [V
V
±10%
V
DD
/R
MS
MS
NOMINAL
I
MS1
V
W
ΔV
ΔV
MS
N
MS
DD
–V
%
%
MS2
(
]/I
ΔV
ΔV
W
MS
DD
)
Rev. C | Page 12 of 28
OFFSET
OFFSET
OFFSET
GND
GND
GND
Figure 40. Incremental On Resistance
V
DUT
V
V
Figure 39. Gain vs. Frequency
Figure 38. Noninverting Gain
IN
IN
IN
Figure 37. Inverting Gain
2.5V
B
W
A
DUT
OFFSET
BIAS
OFFSET
BIAS
A
DUT
V
I
SW
SS
R
A
B
DUT
SW
TO V
W
B
W
=
W
OP279
DD
OP279
B
0.1V
I
SW
AD8610
+15V
–15V
5V
5V
0.1V
V
V
V
OUT
OUT
OUT