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AD5262 Datasheet(PDF) 6 Page - Analog Devices

Part # AD5262
Description  1-/2-Channel 15 V Digital Potentiometers
PDF  20 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD5262 Datasheet(HTML) 6 Page - Analog Devices

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REV. 0
–6–
AD5260/AD5262
AD5260 PIN CONFIGURATION
TOP VIEW
(Not to Scale)
1
2
3
4
5
6
7
A
W
B
VDD
SHDN
CLK
SDI
SDO
VL
VSS
AD5260
14
13
12
11
10
9
8
NC
GND
PR
CS
AD5260 PIN FUNCTION DESCRIPTIONS
Pin
Number
Mnemonic
Description
1A
A Terminal
2W
Wiper Terminal
3B
B Terminal
4VDD
Positive power supply, specified
for operation at both 5 V or 15 V.
(Sum of |VDD| + |VSS|
£ 15 V)
5
SHDN
Active low input. Terminal A
open-circuit. Shutdown controls.
Variable Resistors of RDAC.
6
CLK
Serial Clock Input, positive edge
triggered.
7
SDI
Serial Data Input
8
CS
Chip Select Input, Active Low.
When
CS returns high, data will
be loaded into the RDAC register.
9
PR
Active low preset to mid-scale; sets
RDAC registers to 80H.
10
GND
Ground
11
VSS
Negative Power Supply, specified
for operation from 0 V to –5 V.
12
VL
Logic Supply Voltage, needs to be
same voltage as the digital logic
controlling the AD5260.
13
NC
No Connect (Users should not
connect anything other than dummy
pad on this pin)
14
SDO
Serial Data Output, Open Drain
transistor requires pull-up resistor.
AD5262 PIN CONFIGURATION
TOP VIEW
(Not to Scale)
1
2
3
4
5
6
7
8
A2
A1
W1
VDD
SHDN
CLK
SDI
SDO
VL
VSS
AD5262
16
15
14
13
12
11
10
9
GND
PR
CS
B1
B2
W2
AD5262 PIN FUNCTION DESCRIPTIONS
Pin
Number
Mnemonic
Description
1SDO
Serial Data Output, Open Drain
transistor requires pull-up resistor.
2A1A Terminal RDAC #1
3W1
Wiper RDAC #1, address A0 = 02
4B1B Terminal RDAC #1
5VDD
Positive power supply, specified for
operation at both 5 V or 15 V.
(Sum of |VDD|+|VSS|
£ 15 V)
6
SHDN
Active low input. Terminal A
open-circuit. Shutdown controls
Variable Resistors #1 through #2.
7
CLK
Serial Clock Input, positive edge
triggered.
8
SDI
Serial Data Input.
9
CS
Chip Select Input, Active Low.
When
CS returns high, data in
the serial input register is decoded,
based on the address Bit A0, and
loaded into the target RDAC register.
10
PR
Active low preset to mid-scale sets
RDAC registers to 80H.
11
GND
Ground
12
VSS
Negative Power Supply, specified
for operation at both 0 V or –5 V
(Sum of |VDD| + |VSS| <15 V).
13
VL
Logic Supply Voltage, needs to be
same voltage as the digital logic
controlling the AD5262.
14
B2
B Terminal RDAC #2
15
W2
Wiper RDAC #2, address A0 = 12
16
A2
A Terminal RDAC #2



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