AD8400ARZ1 Analog Devices Inc, AD8400ARZ1 Datasheet - Page 15

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

AD8400ARZ1

Manufacturer Part Number
AD8400ARZ1
Description
IC DGTL POT 8BIT 1K 1CH 8-SOIC
Manufacturer
Analog Devices Inc
Datasheet

Specifications of AD8400ARZ1

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
End To End Resistance
1kohm
Track Taper
Linear
No. Of Steps
256
Resistance Tolerance
± 33%
Supply Voltage Range
2.7V To 5.5V
Control Interface
Serial, SPI
No. Of Pots
Single
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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–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
)

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