AD5241BRUZ1M 查看數據表（PDF） - Analog Devices

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AD5241BRUZ1M

I2C-Compatible, 256-Position Digital Potentiometers

Analog Devices 

AD5241/AD5242

SPECIFICATIONS

10 kΩ, 100 kΩ, 1 MΩ VERSION

VDD = 2.7 V to 5.5 V, VA = VDD, VB = 0 V, −40°C < TA < +105°C, unless otherwise noted.

Table 1.

Parameter

DC CHARACTERISTICS, RHEOSTAT MODE

(SPECIFICATIONS APPLY TO ALL VRs)

Resolution

Resistor Differential Nonlinearity2

Resistor Integral Nonlinearity2

Nominal Resistor Tolerance

Resistance Temperature Coefficient

Wiper Resistance

DC CHARACTERISTICS, POTENTIOMETER DIVIDER

MODE (SPECIFICATIONS APPLY TO ALL VRs)

Resolution

Differential Nonlinearity3

Integral Nonlinearity3

Voltage Divider Temperature Coefficient

Full-Scale Error

Zero-Scale Error

RESISTOR TERMINALS

Voltage Range4

Capacitance (A, B)5

Capacitance (W)5

Common-Mode Leakage

DIGITAL INPUTS

Input Logic High (SDA and SCL)

Input Logic Low (SDA and SCL)

Input Logic High (AD0 and AD1)

Input Logic Low (AD0 and AD1)

Input Logic High

Input Logic Low

Input Current

Input Capacitance5

DIGITAL OUTPUT

Output Logic Low (SDA)

Output Logic Low (O1 and O2)

Output Logic High (O1 and O2)

Three-State Leakage Current (SDA)

Output Capacitance5

POWER SUPPLIES

Power Single-Supply Range

Power Dual-Supply Range

Positive Supply Current

Negative Supply Current

Power Dissipation6

Power Supply Sensitivity

Symbol

Conditions

N

R-DNL

R-INL

ΔRAB/RAB

(ΔRAB/RAB)/

ΔT × 106

RW

RWB, VA = no connect

RWB, VA = no connect

TA = 25°C, RAB = 10 kΩ

TA = 25°C,

RAB = 100 kΩ/1 MΩ

VAB = VDD, wiper =

no connect

IW = VDD/R

N

DNL

INL

(ΔVW/VW)/∆T × 106

VWFSE

VWZSE

Code = 0x80

Code = 0xFF

Code = 0x00

VA, VB, VW

CA, CB

CW

ICM

f = 1 MHz, measured

to GND, code = 0x80

f = 1 MHz, measured

to GND, code = 0x80

VA = VB = VW

VIH

VIL

VIH

VDD = 5 V

VIL

VDD = 5 V

VIH

VDD = 3 V

VIL

VDD = 3 V

IIL

VIH = 5 V or VIL = GND

CIL

VOL

IOL = 3 mA

VOL

IOL = 6 mA

VOL

ISINK = 1.6 mA

VOH

ISOURCE = 40 μA

IOZ

VIH = 5 V or VIL = GND

COZ

VDD RANGE

VDD/VSS RANGE

IDD

ISS

PDISS

PSS

VSS = 0 V

VIH = 5 V or VIL = GND

VSS = −2.5 V, VDD = +2.5 V

VIH = 5 V or VIL = GND,

VDD = 5 V

Min

Typ1 Max

Unit

8

−1

±0.4 +1

−2

±0.5 +2

−30

+30

−30

+50

30

60

120

Bits

LSB

LSB

%

%

ppm/°C

Ω

8

−1

±0.4 +1

−2

±0.5 +2

5

−1

−0.5 0

0

0.5

1

Bits

LSB

LSB

ppm/°C

LSB

LSB

VSS

VDD

V

45

pF

60

pF

1

nA

0.7 × VDD

−0.5

2.4

0

2.1

0

3

4

3

VDD + 0.5 V V

+0.3 × VDD V

VDD

V

0.8

V

VDD

V

0.6

V

1

μA

pF

0.4

V

0.6

V

0.4

V

V

±1

μA

8

pF

2.7

5.5

V

±2.3

±2.7

V

0.1

50

μA

+0.1 −50

μA

0.5

250

μW

−0.01 +0.002 +0.01

%/%

Rev. C | Page 3 of 20

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