AD8403ARZ1

更新时间： 2024-02-27 13:24:37

品牌	Logo	应用领域
亚德诺 - ADI		电位器
页数	文件大小	规格书
32页	610K
描述
1-/2-/4-Channel Digital Potentiometers

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数据手册

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AD8403ARZ1 数据手册

AD8400/AD8402/AD8403

ELECTRICAL CHARACTERISTICS—1 KΩ VERSION

V_DD= 3 V 10% or 5 V 10%, V_A= V_DD, V_B= 0 V, −40°C ≤ T_A≤ +125°C, unless otherwise noted.

Table 3.

Parameter

Symbol

Conditions

Min

Typ¹

Max

Unit

DC CHARACTERISTICS RHEOSTAT MODE (Specifications Apply to All VRs)

Resistor Differential NL²

Resistor Nonlinearity²

Nominal Resistance³

Resistance Tempco

Wiper Resistance

R-DNL

R-INL

R_AB

ΔR_ABꢀΔT

R_W

R_WB, V_A= no connect

T_A= 25°C, model: AD840XYY1

V_AB= V_DD, wiper = no connect

V_DD= 5V, I_W= V_DDꢀR_AB

−5

−4

0.8

−1

1.6

LSB

kΩ

ppmꢀ°C

1.5

1.2

700

200

0.75

100

R_W

ΔRꢀR_AB

V_DD= 3V, I_W= V_DDꢀR_AB

CH 1 to CH 2, V_AB= V_DD, T_A= 25°C

Nominal Resistance Match

DC CHARACTERISTICS POTENTIOMETER DIVIDER (Specifications Apply to All VRs)

Resolution

Bits

Integral Nonlinearity⁴

Differential Nonlinearity⁴

INL

DNL

−6

−4

−5

−1.5

−2

−12

LSB

ppmꢀ°C

LSB

V_DD= 5 V

V_DD= 3 V, T_A= 25°C

Code = 80H

Code = FF_H

Voltage Divider Temperature Coefficient ΔV_WꢀΔT

Full-Scale Error

Zero-Scale Error

V_WFSE

V_WZSE

−20

Code = 00_H

LSB

RESISTOR TERMINALS

Voltage Range⁵

Capacitance⁶Ax, Bx

Capacitance⁶Wx

Shutdown Supply Current⁷

V_A, V_B, V_W

C_A, C_B

C_W

V_DD

f = 1 MHz, measured to GND, code = 80_H

SHDN

μA

120

0.01

I_{A_SD}

V_A= V_DD, V_B= 0 V,

= 0

Shutdown Wiper Resistance

R_{W_SD}

SHDN

100

= 0, V_DD= 5 V

DIGITAL INPUTS AND OUTPUTS

Input Logic High

Input Logic Low

Input Logic High

Input Logic Low

Output Logic High

Output Logic Low

Input Current

Input Capacitance⁶

V_IH

V_IL

V_IH

V_IL

V_OH

V_OL

I_IL

V_DD= 5 V

V_DD= 3 V

R_L= 2.2 kΩ to V_DD

I_OL= 1.6 mA, V_DD= 5 V

V_IN= 0 V or 5 V, V_DD= 5 V

2.4

μA

0.8

0.6

2.1

V_DD− 0.1

0.4

C_IL

POWER SUPPLIES

Power Supply Range

Supply Current (CMOS)

Supply Current (TTL)⁸

Power Dissipation (CMOS)⁹

Power Supply Sensitivity

V_DDrange

I_DD

P_DISS

PSS

2.7

5.5

V_IH= V_DDor V_IL= 0 V

0.01

0.9

μA

μW

V_IH= 2.4 V or 0.8 V, V_DD= 5.5 V

V_IH= V_DDor V_IL= 0 V, V_DD= 5.5 V

ΔV_DD= 5 V 10%

27.5

0.0035 0.008 %ꢀ%

0.05 0.13 %ꢀ%

ΔV_DD= 3 V 10%

Rev. E | Page 8 of 32

1...5 6 789 10 11...32

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