Datasheet > AD5253BRU1

AD5253BRU1

更新时间： 2022-12-12 22:39:53

品牌	Logo	应用领域
亚德诺 - ADI		电位器存储
页数	文件大小	规格书
28页	919K
描述
Quad 64-/256-Position I2C Nonvolatile Memory Digital Potentiometers

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AD5253BRU1 数据手册

AD5253/AD5254

Parameter

Symbol

Conditions

Min

Typ¹

Max

Unit

DIGITAL INPUTS AND OUTPUTS (continued)

A0 Leakage Current

Input Leakage Current (Other

than WP and A0)

Input Capacitance⁵

I_A0

A0 = GND

µA

I_I

C_I

V_IN= 0 V or V_DD

µA

POWER SUPPLIES

Single-Supply Power Range

Dual-Supply Power Range

Positive Supply Current

Negative Supply Current

V_DD

V_DD/V_SS

I_DD

V_SS= 0 V

2.7

2.25

5.5

2.75

–15

µA

V_IH= V_DDor V_IL= GND

V_IH= V_DDor V_IL= GND, V_DD= +2.5 V,

V_SS= –2.5 V

–5

I_SS

EEMEM Data Storing Mode

Current

I_{DD_STORE}

V_IH= V_DDor V_IL= GND

0.075 mW

0.025 %/%

EEMEM Data Restoring Mode

Current⁶

I_{DD_RESTORE}

P_DISS

PSS

V_IH= V_DDor V_IL= GND

V_IH= V_DD= 5 V or V_IL= GND

∆V_DD= 5 V 10%

2.5

Power Dissipation⁷

Power Supply Sensitivity

−0.025 0.01

∆V_DD= 3 V 10%

–0.04

0.02

0.04

%/%

DYNAMIC CHARACTERISTICS^{5, 8}

Bandwidth –3 dB

Total Harmonic Distortion

V_WSettling Time

THD

t_S

R_AB= 1 kΩ

V_A=1 V rms, V_B= 0 V, f = 1 kHz

V_A= V_DD, V_B= 0 V

R_WB= 500 Ω, f = 1 kHz. Thermal noise

only.

MHz

µs

0.05

0.2

Resistor Noise Voltage

e_{N_WB}

nV/√Hz

Digital Crosstalk

Analog Coupling

C_T

V_A= V_DD, V_B= 0 V, measure V_Wwith

adjacent RDAC making full-scale change

Signal input at A0 and measure the

output at W1, f = 1 kHz

–80

–72

C_AT

Rev. 0 | Page 4 of 28

1 2 345 6 7...28

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