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