AD5271BRMZ-20 Analog Devices Inc, AD5271BRMZ-20 Datasheet - Page 17

• 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

TEST CIRCUITS
Figure 39 to Figure 43 define the test conditions used in the Specifications section.
V+
Figure 41. Power Supply Sensitivity (PSS, PSRR)
V
Figure 39. Resistor Position Nonlinearity Error
DD
(Rheostat Operation; R-INL, R-DNL)
A
DUT
DUT
A
W
Figure 40. Wiper Resistance
A
W
CODE = 0x00
W
V
MS
V
MS
I
W
V
MS
I
W
PSS (%/%) =
V+ = V
PSRR (dB) = 20 LOG
I
R
W
R
WA
W
=
=
DD
R
V
I
MS
W
WA
2
±10%
∆V
∆V
MS
DD
%
%
V
V
MS
DD
Rev. E | Page 17 of 24
NC
+2.75V
Figure 43. Common Leakage Current
DUT
A
Figure 42. Gain vs. Frequency
DUT
–2.75V
A
W
W
GND
I
CM
NC = NO CONNECT
V
MS
1GΩ
GND
GND
AD5270/AD5271
V
+2.75V
–2.75V