AD5235BRU25-RL7 Analog Devices Inc, AD5235BRU25-RL7 Datasheet - Page 14

• Manufacturer Part Number: AD5235BRU25-RL7
• Description: IC DGTL POT DUAL 1024POS 16TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD5235BRU25-RL7

• Rohs Status: RoHS non-compliant
• Taps: 1024
• Resistance (ohms): 25K
• Number Of Circuits: 2
• Temperature Coefficient: 35 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: 4-Wire SPI Serial
• Voltage - Supply: 3 V ~ 5.5 V, ±2.25 V ~ 2.75 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP (0.173", 4.40mm Width)
• Number Of Elements: 2
• # Of Taps: 1024
• Resistance (max): 25KOhm
• Power Supply Requirement: Single/Dual
• Interface Type: Serial (4-Wire/SPI)
• Single Supply Voltage (typ): 3.3/5V
• Dual Supply Voltage (typ): ±2.5V
• Single Supply Voltage (min): 3V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): ±2.25V
• Dual Supply Voltage (max): ±2.75V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Lead Free Status / RoHS Status: Not Compliant
• Other names: AD5235BRU25-RL7; AD5235BRU25-RL7TR

AD5235
TEST CIRCUITS
Figure 27 to Figure 37 define the test conditions used in the Specifications section.
Figure 27. Resistor Position Nonlinearity Error (Rheostat Operation; R-INL, R-DNL)
Figure 28. Potentiometer Divider Nonlinearity Error (INL, DNL)
V+
V
MS2
~
V
Figure 30. Power Supply Sensitivity (PSS, PSRR)
DD
V
V+
A
B
A
A
B
DUT
NC = NO CONNECT
Figure 29. Wiper Resistance
W
NC
W
A
B
DUT
W
V
A
B
DUT
V
MS
W
W
V
MS1
V
PSS (%/%) =
V+ = V
PSRR (dB) = 20 LOG
MS
I
W
V+ = V
1LSB = V+/2
R
= V
I
W
W
DD
DD
= [V
V
DD
MS
/R
±10%
MS1
NOMINAL
∆V
∆V
N
– V
DD %
MS %
MS2
(
]/I
∆
∆V
W
V
MS
DD
)
Rev. D | Page 14 of 32
OFFSET
OFFSET
GND
OFFSET
GND
GND
V
IN
Figure 34. Incremental On Resistance
DUT
A = NC
B
V
Figure 33. Gain vs. Frequency
Figure 32. Noninverting Gain
IN
OFFSET BIAS
W
Figure 31. Inverting Gain
V
DUT
IN
A
2.5V
OFFSET BIAS
A
DUT
I
SW
A
B
W
DUT
V
CODE = 0x00
W
SS
B
W
R
TO V
SW
B
OP279
=
OP279
DD
0.1V
I
SW
5V
OP42
5V
+15V
–15V
+
–
0.1V
V
OUT
V
OUT
V
OUT