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AD5203 Datasheet(PDF) 4 Page - Analog Devices

Part No. AD5203
Description  4-Channel, 64-Position Digital Potentiometer
Download  12 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD5203 Datasheet(HTML) 4 Page - Analog Devices

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AD5203
–4–
REV. 0
PIN FUNCTION DESCRIPTIONS
Pin
No.
Name
Description
1
AGND2
Analog Ground #2*
2
B2
B Terminal RDAC #2
3
A2
A Terminal RDAC #2
4
W2
Wiper RDAC #2, addr = 012
5
AGND4
Analog Ground #4*
6
B4
B Terminal RDAC #4
7
A4
A Terminal RDAC #4
8
W4
Wiper RDAC #4, addr = 112
9
DGND
Digital Ground*
10
SHDN
Active Low Input. Terminal A open circuit.
Shutdown controls Variable Resistors #1
through #4.
11
CS
Chip Select Input, Active Low. When
CS
returns high data in the serial input register
is decoded based on the address bits and
loaded into the target DAC register.
12
SDI
Serial Data Input
13
SDO
Serial Data Output. Open drain transistor
requires pull-up resistor.
14
CLK
Serial Clock Input, positive edge triggered.
15
RS
Active low reset to midscale; sets RDAC
registers to 20H.
16
VDD
Positive power supply, specified for opera-
tion at both +3 V and +5 V.
17
AGND3
Analog Ground #3*
18
W3
Wiper RDAC #3, addr =102
19
A3
A Terminal RDAC #3
20
B3
B Terminal RDAC #3
21
AGND1
Analog Ground #1*
22
W1
Wiper RDAC #1, addr = 002
23
A1
A Terminal RDAC #1
24
B1
B Terminal RDAC #1
*All AGNDs must be connected to DGND voltage potential.
ORDERING GUIDE
Model
k
Temperature Range
Package Descriptions
Package Options
AD5203AN10
10
–40
°C to +85°C
24-Lead Narrow Body Plastic DIP
N-24
AD5203AR10
10
–40
°C to +85°C
24-Lead Wide Body (SOIC)
SOL-24
AD5203ARU10
10
–40
°C to +85°C
24-Lead Thin Surface Mount Package (TSSOP)
RU-24
AD5203AN100
100
–40
°C to +85°C
24-Lead Narrow Body Plastic DIP
N-24
AD5203AR100
100
–40
°C to +85°C
24-Lead Wide Body (SOIC)
SOL-24
AD5203ARU100
100
–40
°C to +85°C
24-Lead Thin Surface Mount Package (TSSOP)
RU-24
PIN CONFIGURATION
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
AD5203
SDI
CS
SHDN
DGND
W4
AGND2
B2
A2
W2
A4
B4
AGND4
SDO
CLK
RS
VDD
AGND3
B1
A1
W1
AGND1
W3
A3
B3
(Not to Scale)


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