AD5252BRU1-RL7(Rev0) データシートの表示（PDF） - Analog Devices

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AD5252BRU1-RL7
(Rev.:Rev0)

Dual 64-and 256-Position I2C Nonvolatile Memory Digital Potentiometers

Analog Devices 

AD5251/AD5252

ELECTRICAL CHARACTERISTICS

1 kΩ Version. VDD = 3 V ± 10% or 5 V ± 10%; VSS = 0 V or VDD/VSS = ± 2.5 V ± 10%; VA = +VDD, VB = 0 V, –40°C < TA < +85°C, unless

otherwise noted.

Table 1.

Parameter

Symbol

Conditions

Min Typ1 Max Unit

DC CHARACTERISTICS

RHEOSTAT MODE

Resolution

N

AD5251/AD5252

6/8 Bits

Resistor Differential

Nonlinearity2

R-DNL

RWB, RWA = NC, VDD = 5.5 V, AD5251

–0.5 ±0.2 +0.5 LSB

Resistor Nonlinearity2

Nominal Resistor Tolerance

Resistance Temperature

Coefficent

Wiper Resistance

Channel Resistance Matching

DC CHARACTERISTIC

POTENTIOMETER DIVIDER MODE

Differential Nonlinearity3

Integral Nonlinearity3

R-INL

∆RAB/RAB

RWB, RWA = NC, VDD = 5.5 V, AD5252

RWB, RWA = NC, VDD = 2.7 V, AD5251

RWB, RWA = NC, VDD = 2.7 V, AD5252

RWB, RWA = NC, VDD = 5.5 V, AD5251

RWB, RWA = NC, VDD = 5.5 V, AD5252

RWB, RWA = NC, VDD = 2.7 V, AD5251

RWB, RWA = NC, VDD = 2.7 V, AD5252

TA = 25°C

(∆RAB/RAB) × 106/∆T

RW

∆RAB1/∆RAB3

IW = 1 V/R, VDD = 5 V

IW = 1 V/R, VDD = 3 V

DNL

AD5251

AD5252

INL

AD5251

AD5252

–1

–0.75

–1.5

–0.5

–2

–1

–2

–30

±0.25 +1 LSB

±0.3 +0.75 LSB

±0.3 +1.5 LSB

±0.2 +0.5 LSB

±0.5 +2 LSB

+2.5 +4 LSB

+9 +14 LSB

+30 %

650

75 130

200 300

0.15

ppm/°C

Ω

Ω

%

–0.5 ±0.1 +0.5 LSB

–1

±0.25 +1 LSB

–0.5 ±0.2 +0.5 LSB

–2

±0.5 +2 LSB

Voltage Divider Temperature

Coefficent

Full-Scale Error

(∆VW/VW) × 106/∆T

VWFSE

Code = half scale

Code = full scale, VDD = 5.5 V, AD5251

Code = full scale, VDD = 5.5 V, AD5252

Code = full scale, VDD = 2.7 V, AD5251

25

–5

–3 0

–16 –11 0

−6

–4 0

ppm/°C

LSB

LSB

LSB

Zero-Scale Error

VWZSE

RESISTOR TERMINALS

Voltage Range4

Capacitance5 Ax, Bx

Capacitance5 Wx

Common-Mode Leakage

Current

DIGITAL INPUTS and OUTPUTS

Input Logic High

Input Logic Low

Output Logic High (SDA)

Output Logic Low (SDA)

VA, VB, VW

CA, CB

CW

ICM

VIH

VIL

VOH

VOL

Code = full scale, VDD = 2.7 V, AD5252

Code = zero scale, VDD = 5.5 V, AD5251

Code = zero scale, VDD = 5.5 V, AD5252

Code = zero scale, VDD = 2.7 V, AD5251

Code = zero scale, VDD = 2.7 V, AD5252

f = 1 kHz, measured to GND,

Code = half scale

f = 1 kHz, measured to GND,

Code = half scale

VA = VB = VDD/2

VDD = 5 V, VSS = 0 V

VDD/VSS = 2.7 V/0 V or VDD/VSS = ± 2.5 V

VDD = 5V, VSS = 0 V

RPULL-UP = 2.2 kΩ to VDD = 5 V, VSS = 0 V

RPULL-UP = 2.2 kΩ to VDD =5 V, VSS = 0 V

–23 –16 0

LSB

0

3

5

LSB

0

11 16 LSB

0

4

6

LSB

0

15 20 LSB

VSS

VDD

V

85

pF

95

pF

0.01 1

µA

2.4

V

2.1

V

0.8 V

4.9

V

0.4 V

Rev. 0 | Page 3 of 28

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