AD5241(RevB) 查看數據表（PDF） - Analog Devices

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AD5241
(Rev.:RevB)

I2C® Compatible 256-Position Digital Potentiometers

Analog Devices 

Typical Performance Characteristics–AD5241/AD5242

1.0

VDD = +2.7V

VDD = +5.5V

VDD = ؎2.7V

0.5

VDD/VSS = +2.7V/0V

0

0.50

0.25

0

VDD/VSS = ؎2.7V

VDD/VSS = +2.7V/0V, +5.5V/0V

VDD = +2.7V

VDD = +5.5V

VDD = ؎2.7V

–0.5

VDD/VSS = +5.5V/0V, ؎2.7V

–0.25

–1.0

0

32

64

96 128 160 192 224 256

CODE – Decimal

TPC 1. RDNL vs. Code

–0.50

0

32

64

96 128 160 192 224 256

CODE – Decimal

TPC 4. INL vs. Code

1.0

0.5

0

–0.5

VDD/VSS = +2.7V/0V

VDD = +2.7V

VDD = +5.5V

VDD = ؎2.7V

VDD/VSS = +5.5V/0V, ؎2.7V

10000

1000

100

10

1M⍀

VDD = 2.7V

TA = 25؇C

100k⍀

10k⍀

–1.0

0

32

64

96 128 160 192 224 256

CODE – Decimal

TPC 2. RINL vs. Code

0.25

0.13

0

VDD = +2.7V

VDD = +5.5V

VDD = ؎2.7V

VDD/VSS = +2.7V/0V, +5.5V/0V, ؎2.7V

1

–40

–20

0

20

40

60

80

TEMPERATURE – ؇C

TPC 5. Nominal Resistance vs. Temperature

10000

1000

100

VDD = 5V

VDD = 3V

–0.13

–0.25

0

32

64

96 128 160 192 224 256

CODE – Decimal

TPC 3. DNL vs. Code

10

VDD = 2.5V

1

0

1

2

3

4

5

INPUT LOGIC VOLTAGE – V

TPC 6. Supply Current vs. Input Logic Voltage

REV. B

–7–

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