AD8403AR1 Analog Devices Inc, AD8403AR1 Datasheet - Page 14
AD8403AR1
Manufacturer Part Number
AD8403AR1
Description
IC POT DIG QUAD 1K 8BIT 24SOIC
Manufacturer
Analog Devices Inc
Datasheet
1.AD8400ARZ1.pdf
(32 pages)
Specifications of AD8403AR1
Mounting Type
Surface Mount
Package / Case
24-SOIC (7.5mm Width)
Rohs Status
RoHS non-compliant
Taps
256
Resistance (ohms)
1K
Number Of Circuits
4
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
Resistance In Ohms
1.00K
Ic Function
Digital Potentiometer (Pots) IC
For Use With
AD8403EVAL - BOARD EVAL FOR AD8403
Lead Free Status / RoHS Status
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD8403AR1
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
AD8403AR10
Manufacturer:
AD
Quantity:
5 510
Company:
Part Number:
AD8403AR10
Manufacturer:
PANASONIC
Quantity:
5 510
Part Number:
AD8403AR10
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
AD8403AR100*
Manufacturer:
AD
Quantity:
439
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