AD8402ARZ100 Analog Devices Inc, AD8402ARZ100 Datasheet - Page 14
AD8402ARZ100
Manufacturer Part Number
AD8402ARZ100
Description
IC POT DIG DUAL 100K 8BIT 14SOIC
Manufacturer
Analog Devices Inc
Datasheet
1.AD8400ARZ1.pdf
(32 pages)
Specifications of AD8402ARZ100
Taps
256
Resistance (ohms)
100K
Number Of Circuits
2
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
14-SOIC (3.9mm Width), 14-SOL
Resistance In Ohms
100K
End To End Resistance
100kohm
Track Taper
Linear
No. Of Steps
256
Resistance Tolerance
± 30%
Supply Voltage Range
2.7V To 5.5V
Control Interface
Serial, SPI
No. Of Pots
Dual
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD8402ARZ100
Manufacturer:
TI
Quantity:
4 149
Part Number:
AD8402ARZ100
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD8400/AD8402/AD8403
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 11. Resistance Step Position Nonlinearity Error vs. Code
–0.5
–1.0
1.0
0.5
10
8
6
4
2
0
0
5
4
3
2
1
0
Figure 10. Resistance Linearity vs. Conduction Current
0
0
Figure 9. Wiper to End Terminal Resistance vs. Code
0
32
32
1
80
V
R
DD
R
AB
H
WB
40
64
64
DIGITAL INPUT CODE (Decimal)
= 3V OR 5V
= 10kΩ
H
T
2
A
FF
= –40°C
I
H
96
96
WB
CODE (Decimal)
20
CURRENT (mA)
H
3
128
05
128
H
CODE = 10
4
T
160
160
A
T
A
= +85°C
= +25°C
H
5
192
192
R
WA
T
V
V
A
DD
DD
224
224
= 25°C
6
= 5V
= 5V
256
256
7
Rev. E | Page 14 of 32
–0.5
–1.0
Figure 13. Potentiometer Divider Nonlinearity Error vs. Code
1.0
0.5
60
48
36
24
12
60
48
36
24
12
0
0
0
Figure 12. 10 kΩ Wiper-Contact-Resistance Histogram
Figure 14. 50 kΩ Wiper-Contact-Resistance Histogram
0
40.0 42.5
SS = 184 UNITS
V
T
35
SS = 1205 UNITS
V
T
DD
A
A
DD
= 25°C
= 25°C
32
= 4.5V
= 4.5V
37
45.0 47.5 50.0 52.5 55.0 57.5 60.0 62.5
39
64
DIGITAL INPUT CODE (Decimal)
T
A
= +25°C
41
WIPER RESISTANCE (Ω)
WIPER RESISTANCE (Ω)
96
43
T
128
T
A
45
A
= +85°C
= –40°C
47
160
49
192
51
V
DD
224
53
= 5V
65.0
55
256