AD8403AR1 Analog Devices Inc, AD8403AR1 Datasheet - Page 19
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
TEST CIRCUITS
Figure 37. Potentiometer Divider Nonlinearity Error (INL, DNL)
V
V+
MS2
~
Figure 40. Power Supply Sensitivity (PSS, PSRR)
Figure 38. Resistor Position Nonlinearity Error
V
DD
V+
(Rheostat Operations; R-INL, R-DNL)
B
V
A
NO CONNECT
A
W
A
DUT
B
Figure 39. Wiper Resistance
W
DUT
DUT
A
B
A
B
V
MS
W
W
V
W
V
MS1
V
MS
V+ = V
PSRR (dB) = 20LOG
PSS (%/%) =
I
W
V+ = V
1LSB = V+/256
= V
V
I
R
W
MS
DD
DD
W
DD
= [V
/R
± 10%
NOMINAL
MS1
ΔV
ΔV
MS
DD
– V
%
%
MS2
(
ΔV
ΔV
]/I
MS
DD
W
)
Rev. E | Page 19 of 32
OFFSET
OFFSET
OFFSET
GND
Figure 42. Noninverting Programmable Gain
GND
GND
Figure 41. Inverting Programmable Gain
Figure 44. Incremental On Resistance
V
IN
DUT
Figure 43. Gain vs. Frequency
~
B
W
A
~
DUT
V IN
AD8400/AD8402/AD8403
V
2.5V
2.5V DC
2.5V
IN
DUT
I
~
SW
B
A
A
CODE =
W
W
R
V
DUT
SW
BIAS
W
B
=
OP279
OP279
OP42
0.1V
B
I
SW
–15V
+15V
+
–
H
0.1V
A = NC
5V
5V
V
V
OUT
OUT
V
OUT