AD5258 查看數據表（PDF） - Analog Devices

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AD5258

Nonvolatile, I2C-Compatible 64-Position, Digital Potentiometer

Analog Devices 

AD5258

Parameter

POWER SUPPLIES

Power Supply Range

Positive Supply Current

Logic Supply

Logic Supply Current

Programming Mode Current (EEPROM)

Power Dissipation

Power Supply Rejection Ratio

DYNAMIC CHARACTERISTICS

Bandwidth −3 dB

Symbol

VDD

IDD

VLOGIC

ILOGIC

ILOGIC(PROG)

PDISS

PSRR

BW

Total Harmonic Distortion

THDW

VW Settling Time

tS

Resistor Noise Voltage Density

eN_WB

1 Typical values represent average readings at 25°C and VDD = 5 V.

Conditions

Min

2.7

2.7

VIH = 5 V or VIL = 0 V

VIH = 5 V or VIL = 0 V

VIH = 5 V or VIL = 0 V, VDD = 5 V

VDD = +5 V ± 10%, Code = 0x20

Code = 0x20

RAB = 1 kΩ

RAB = 10 kΩ

RAB = 50 kΩ

RAB = 100 kΩ

RAB = 10 kΩ, VA = 1 V rms, VB = 0,

f = 1 kHz

RAB = 10 kΩ, VAB = 5 V,

±1 LSB error band

RWB = 5 kΩ, f = 1 kHz

Typ1 Max Unit

5.5

V

0.5

2

µA

5.5

V

3.5

6

µA

35

mA

20

40

µW

±0.01 ±0.06 %/%

18000

1000

190

100

0.1

500

9

kHz

kHz

kHz

kHz

%

ns

nV/√Hz

Rev. 0 | Page 4 of 24

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