AD5241(RevB) 查看數據表（PDF） - Analog Devices
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AD5241 Datasheet PDF : 16 Pages
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AD5241 PIN CONFIGURATION
A1 1
14 O1
W1 2
13 NC
B1 3 AD5241 12 O2
VDD 4 TOP VIEW 11 VSS
SHDN
(Not to Scale)
5
10 DGND
SCL 6
9 AD1
SDA 7
8 AD0
NC = NO CONNECT
AD5241/AD5242
AD5242 PIN CONFIGURATION
O1 1
16 A2
A1 2
15 W2
W1 3
14 B2
B1 4 AD5242 13 O2
TOP VIEW
VDD 5 (Not to Scale) 12 VSS
SHDN 6
11 DGND
SCL 7
10 AD1
SDA 8
9 AD0
AD5241 PIN FUNCTION DESCRIPTIONS
Pin Mnemonic Description
1
A1
2
W1
3
B1
4
VDD
5 SHDN
6 SCL
7 SDA
8 AD0
9 AD1
10 DGND
11 VSS
12 O2
13 NC
14 O1
Resistor Terminal A1
Wiper Terminal W1
Resistor Terminal B1
Positive power supply, specified for opera-
tion from 2.2 V to 5.5 V.
Active low, asynchronous connection of
Wiper W to Terminal B, and open circuit
of Terminal A. RDAC register contents
unchanged. SHDN should tie to VDD if
not used.
Serial Clock Input
Serial Data Input/Output
Programmable address bit for multiple
package decoding. Bits AD0 and AD1
provide four possible addresses.
Programmable address bit for multiple
package decoding. Bits AD0 and AD1
provide four possible addresses.
Common Ground
Negative power supply, specified for
operation from 0 V to –2.7 V.
Logic Output Terminal O2
No Connect
Logic Output Terminal O1
AD5242 PIN FUNCTION DESCRIPTIONS
Pin Mnemonic Description
1
O1
2
A1
3
W1
4
B1
5
VDD
6 SHDN
7 SCL
8 SDA
9 AD0
10 AD1
11 DGND
12 VSS
13 O2
14 B2
15 W2
16 A2
Logic Output Terminal O1
Resistor Terminal A1
Wiper Terminal W1
Resistor Terminal B1
Positive power supply, specified for opera-
tion from 2.2 V to 5.5 V.
Active low, asynchronous connection of
Wiper W to Terminal B, and open circuit
of Terminal A. RDAC register contents
unchanged. SHDN should tie to VDD if
not used.
Serial Clock Input
Serial Data Input/Output
Programmable address bit for multiple
package decoding. Bits AD0 and AD1
provide four possible addresses.
Programmable address bit for multiple
package decoding. Bits AD0 and AD1
provide four possible addresses.
Common Ground
Negative power supply, specified for
operation from 0 V to –2.7 V.
Logic Output Terminal O2
Resistor Terminal B2
Wiper Terminal W2
Resistor Terminal A2
REV. B
–5–
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