AD5293BRUZ-20 Analog Devices Inc, AD5293BRUZ-20 Datasheet - Page 17

• Manufacturer Part Number: AD5293BRUZ-20
• Description: IC DGTL POT 1024POS 20K 14TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD5293BRUZ-20

• Temperature Coefficient: 35 ppm/°C Typical
• Taps: 1024
• Resistance (ohms): 20K
• Number Of Circuits: 1
• Interface: SPI Serial
• Voltage - Supply: 9 V ~ 33 V, ±9 V ~ 16.5 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP
• Resistance In Ohms: 20K
• End To End Resistance: 20kohm
• Track Taper: Linear
• No. Of Steps: 256
• Resistance Tolerance: ± 1%
• Control Interface: Serial, SPI
• No. Of Pots: Single
• Potentiometer Ic: RoHS Compliant
• Supply Voltage Range: ± 9V To ± 16.5V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Type: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AD5293BRUZ-20-U1; AD5293BRUZ-20-U1

TEST CIRCUITS
Figure 39 to Figure 44 define the test conditions used in the Specifications section.
Figure 40. Potentiometer Divider Nonlinearity Error (INL, DNL)
Figure 39. Resistor Position Nonlinearity Error
DUT
A = NC
V+
B
(Rheostat Operation: R-INL, R-DNL)
W
Figure 41. Wiper Resistance
NC
DUT
A
B
I
WB
A
B
DUT
W
V
NC = NO CONNECT
CODE = 0x00
SS
W
TO V
DD
V
MS
V+ = V
1LSB = V+/2
+
–
I
W
R
V
0.1V
R
WB
DD
MS
W
=
=
0.1V
R
N
I
WB
WB
2
Rev. D | Page 17 of 24
V+
OFFSET
~
GND
V
DUT
V
Figure 42. Power Supply Sensitivity (PSS, PSRR)
DD
V
SS
DD
Figure 44. Common-Mode Leakage Current
NC
NC
V
GND
+15V
+15V
IN
V
A
B
A
Figure 43. Gain vs. Frequency
W
A
B
–15V
DUT
–15V
W
2.5V
V
GND
GND
MS
A
B
I
CM
W
NC = NO CONNECT
V+ = V
PSRR (dB) = 20 log
PSS (%/%) =
DD
OP42
GND
GND
+15V
–15V
± 10%
∆V
∆V
MS
DD
+15V
–15V
%
%
∆V
∆V
AD5293
MS
DD
V
OUT