AD8403AR1 Analog Devices Inc, AD8403AR1 Datasheet - Page 15
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
–10
70
60
50
40
30
20
10
10
60
48
36
24
12
8
6
4
2
0
0
Figure 15. 100 kΩ Wiper-Contact-Resistance Histogram
0
–75
0
R
Figure 17. ΔV
40.0 42.5
SS = 184 UNITS
V
T
Figure 16. Nominal Resistance vs. Temperature
AB
DD
A
= 25°C
= 10kΩ
–50
32
= 4.5V
45.0 47.5 50.0 52.5 55.0 57.5 60.0 62.5
–25
64
WB
/ΔT Potentiometer Mode Tempco
WIPER RESISTANCE (Ω)
TEMPERATURE (°C)
96
0
CODE (Decimal)
R
R
CODE = 80
128
25
AB
WB
(END-TO-END)
(WIPER-TO-END)
160
50
H
V
T
V
V
A
DD
A
B
192
75
= –40°C/+85°C
= 2V
= 0V
= 5V
100
224
65.0
256
125
Rev. E | Page 15 of 32
(20mV/DIV)
Figure 19. One Position Step Change at Half-Scale (Code 7F
(5V/DIV)
–100
700
600
500
400
300
200
100
–12
–18
–24
–30
–36
–42
–48
–54
–6
R
CS
0
6
0
W
10
0
T
A
Figure 20. 10 kΩ Gain vs. Frequency vs. Code
Figure 18. ΔR
= 25°C
32
5V
20mV
100
64
AD8400/AD8402/AD8403
WB
(See Figure 43)
/ΔT Rheostat Mode Tempco
96
FREQUENCY (Hz)
CODE (Decimal)
1k
TIME 500ns/DIV
128
10k
160
CODE = FF
80
40
20
10
08
04
02
01
V
T
V
R
DD
A
A
WB
= –40°C/+85°C
= NO CONNECT
192
= 5V
MEASURED
100k
224
500ns
H
to 80
256
1M
H
)