AD8400ARZ1-REEL Analog Devices Inc, AD8400ARZ1-REEL Datasheet - Page 19

• Manufacturer Part Number: AD8400ARZ1-REEL
• Description: IC,Digital Potentiometer,CMOS,SOP,8PIN,PLASTIC
• Manufacturer: Analog Devices Inc

Specifications of AD8400ARZ1-REEL

• Taps: 256
• Resistance (ohms): 1K
• Number Of Circuits: 1
• Temperature Coefficient: 500 ppm/°C Typical
• Memory Type: Volatile
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Resistance In Ohms: 1.00K
• Number Of Elements: 1
• # Of Taps: 256
• Resistance (max): 1KOhm
• Power Supply Requirement: Single
• Interface Type: Serial (3-Wire/SPI)
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TEST CIRCUITS
Figure 37. Potentiometer Divider Nonlinearity Error (INL, DNL)
V
V+
MS2
~
Figure 40. Power Supply Sensitivity (PSS, PSRR)
Figure 38. Resistor Position Nonlinearity Error
V
DD
V+
(Rheostat Operations; R-INL, R-DNL)
B
V
A
NO CONNECT
A
W
A
DUT
B
Figure 39. Wiper Resistance
W
DUT
DUT
A
B
A
B
V
MS
W
W
V
W
V
MS1
V
MS
V+ = V
PSRR (dB) = 20LOG
PSS (%/%) =
I
W
V+ = V
1LSB = V+/256
= V
V
I
R
W
MS
DD
DD
W
DD
= [V
/R
± 10%
NOMINAL
MS1
ΔV
ΔV
MS
DD
– V
%
%
MS2
(
ΔV
ΔV
]/I
MS
DD
W
)
Rev. E | Page 19 of 32
OFFSET
OFFSET
OFFSET
GND
Figure 42. Noninverting Programmable Gain
GND
GND
Figure 41. Inverting Programmable Gain
Figure 44. Incremental On Resistance
V
IN
DUT
Figure 43. Gain vs. Frequency
~
B
W
A
~
DUT
V IN
AD8400/AD8402/AD8403
V
2.5V
2.5V DC
2.5V
IN
DUT
I
~
SW
B
A
A
CODE =
W
W
R
V
DUT
SW
BIAS
W
B
=
OP279
OP279
OP42
0.1V
B
I
SW
–15V
+15V
+
–
H
0.1V
A = NC
5V
5V
V
V
OUT
OUT
V
OUT