AD5282BRU200-REEL7

更新时间： 2024-01-21 10:17:28

品牌	Logo	应用领域
亚德诺 - ADI		数字电位计
页数	文件大小	规格书
28页	964K
描述
Single/Dual,15 V/5 V,256-Position I2C-Compatible Digital Potentiometer

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AD5282BRU200-REEL7 数据手册

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AD5ꢀ80/AD5ꢀ8ꢀ

S-ECIFICATIONS

ELECTRICAL CHARACTERISTICS

V_DD= +15 V, V_SS= 0 V or V_DD= +5 V, V_SS= −5 V; V_LOGIC= 5 V, V_A= +V_DD, V_B= 0 V; −40°C < T_A< +85°C, unless otherwise noted.

Table 1.

Parameter

Symbol

Conditions

Min

Typ¹

Max

Unit

DC CHARACTERISTICS–RHEOSTAT MODE

Resistor Differential NL²

Resistor Nonlinearity²

Nominal Resistor Tolerance³

R-DNL

R-INL

ΔR_AB

R_WB, V_A= NC

T_A= 25°C

−1

−30

1ꢀ/

+30

LSB

Resistance Temperature

Coefficient

(∆R_ABꢀR_AB)ꢀ∆T x 10⁶

V_AB= V_DD, wiper = no connect

ppmꢀ°C

Wiper Resistance

R_W

I_W= V_DDꢀR, V_DD= 3 V or 5 V

150

DC CHARACTERISTICS–POTENTIOMETER DIVIDER MODE (specifications apply to all VRs)

Resolution

Bits

Integral Nonlinearity^/

Differential Nonlinearity^/

INL

−1

1ꢀ/

LSB

DNL

LSB

Voltage Divider Temperature

Coefficient

(∆V_WꢀV_W)ꢀ∆T x 10⁶

Code = 0x80

ppmꢀ°C

Full-Scale Error

Zero-Scale Error

RESISTOR TERMINALS

Voltage Range⁵

V_WFSE

V_WZSE

Code = 0xFF

Code = 0x00

−2

−1

LSB

V_A, V_B, V_W

C_A, C_B

V_SS

V_DD

Capacitance A, B⁶

f = 5 MHz, measured to GND,

Code = 0x80

f = 1 MHz, measured to GND,

Code = 0x80

Capacitance W⁶

C_W

Common-Mode Leakage

Shutdown Current

I_CM

V_A= V_B= V_W

μA

I_SHDN

DIGITAL INPUTS AND OUTPUTS

Input Logic High

V_IH

V_IL

V_IH

V_IL

I_IL

0.7 × V_L

V_L+ 0.5

0.3 × V_L

Input Logic Low

Output Logic High (O₁, O₂)

Output Logic Low (O₁, O₂)

Input Current

/.9

0./

V_IN= 0 V or 5 V

μA

Input Capacitance⁶

C_IL

POWER SUPPLIES

Logic Supply

V_LOGIC

V_{DD RANGE}

V_{DDꢀSS RANGE}

I_LOGIC

2.7

/.5

V_DD

16.5

5.5

Power Single-Supply Range

Power Dual-Supply Range

Logic Supply Current

Positive Supply Current

Negative Supply Current

Power Dissipation⁷

V_SS= 0 V

V_LOGIC= 5 V

μA

I_DD

V_IH= 5 V or V_IL= 0 V

0.1

0.2

I_SS

P_DISS

V_IH= 5 V or V_IL= 0 V, V_DD= +5 V, V_SS= −5

0.3

Power Supply Sensitivity

DYNAMIC CHARACTERISTICS^{6, 8, 9}

Bandwidth −3 dB

PSS

0.002

0.01

%ꢀ%

BW_20K

BW_50K

BW_200K

R_AB= 20 kΩ, Code = 0x80

R_AB= 50 kΩ, Code = 0x80

R_AB= 200 kΩ, Code = 0x80

310

150

kHz

Rev. C | Page 3 of 28

1 234 5 6 7...28

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