IC DGTL POT 8BIT 1K 1CH 8-SOIC

AD8400AR1

Manufacturer Part NumberAD8400AR1
DescriptionIC DGTL POT 8BIT 1K 1CH 8-SOIC
ManufacturerAnalog Devices Inc
AD8400AR1 datasheet
 

Specifications of AD8400AR1

Rohs StatusRoHS non-compliantTaps256
Resistance (ohms)1KNumber Of Circuits1
Temperature Coefficient500 ppm/°C TypicalMemory TypeVolatile
InterfaceSPI, 3-Wire SerialVoltage - Supply2.7 V ~ 5.5 V
Operating Temperature-40°C ~ 125°CMounting TypeSurface Mount
Package / Case8-SOIC (3.9mm Width)Resistance In Ohms1.00K
End To End Resistance1kohmTrack TaperLinear
No. Of Steps256Resistance Tolerance± 33%
Supply Voltage Range2.7V To 5.5VControl InterfaceSerial, SPI
No. Of PotsSingle  
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AD8400/AD8402/AD8403
TYPICAL PERFORMANCE CHARACTERISTICS
10
V
= 3V OR 5V
DD
R
= 10kΩ
AB
8
6
4
2
R
WB
0
0
32
64
96
128
CODE (Decimal)
Figure 9. Wiper to End Terminal Resistance vs. Code
5
80
H
FF
H
4
40
H
20
H
3
CODE = 10
2
1
05
H
0
0
1
2
3
4
I
CURRENT (mA)
WB
Figure 10. Resistance Linearity vs. Conduction Current
1.0
0.5
T
0
T
= –40°C
A
–0.5
–1.0
0
32
64
96
128
DIGITAL INPUT CODE (Decimal)
Figure 11. Resistance Step Position Nonlinearity Error vs. Code
R
WA
160
192
224
256
H
T
= 25°C
A
V
= 5V
DD
5
6
7
V
= 5V
DD
= +85°C
A
T
= +25°C
A
160
192
224
256
Rev. E | Page 14 of 32
60
SS = 1205 UNITS
V
= 4.5V
DD
T
= 25°C
A

48
36
24
12
0
40.0 42.5
45.0 47.5 50.0 52.5 55.0 57.5 60.0 62.5
WIPER RESISTANCE (Ω)
Figure 12. 10 kΩ Wiper-Contact-Resistance Histogram
1.0
0.5
T
= +25°C
A
T
= –40°C
A
0
–0.5
T
= +85°C
A
–1.0
0
32
64
96
128
160
192
DIGITAL INPUT CODE (Decimal)
Figure 13. Potentiometer Divider Nonlinearity Error vs. Code
60
SS = 184 UNITS
V
= 4.5V
DD
T
= 25°C
A
48
36
24
12
0
35
37
39
41
43
45
47
49
WIPER RESISTANCE (Ω)
Figure 14. 50 kΩ Wiper-Contact-Resistance Histogram
65.0
V
= 5V
DD
224
256
51
53
55