AD5258BRMZ1-R7 datasheet(13/24 Pages) AD

No de pièce	AD5258BRMZ1-R7

Description	Nonvolatile, I2C-Compatible 64-Position, Digital Potentiometer

PDF	24 Pages

Scroll/Zoom	100%

Fabricant	AD [Analog Devices]

Site Internet	http://www.analog.com

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13 / 24 page

Data Sheet

AD5258

Rev. D | Page 13 of 24

TEST CIRCUITS

Figure 30 through Figure 35 illustrate the test circuits that define the test conditions used in the product specification tables.

VMS

DUT

V+

V+ = VDD

1LSB = V+/2N

Figure 30. Test Circuit for Potentiometer Divider Nonlinearity Error (INL, DNL)

NO CONNECT

VMS

DUT

Figure 31. Test Circuit for Resistor Position Nonlinearity Error

(Rheostat Operation; R-INL, R-DNL)

VMS2

VMS1

DUT

IW = VDD/RNOMINAL

RW = [VMS1 – VMS2]/IW

Figure 32. Test Circuit for Wiper Resistance

DUT

V+

ΔVMS%

ΔVDD%

ΔVDD

VMS

V+ = VDD ± 10%

PSSR (%/%) =

Figure 33. Test Circuit for Power Supply Sensitivity (PSS, PSSR)

+5V

–5V

+2.5V

VOUT

OFFSET

GND

DUT

AD8610

VIN

Figure 34. Test Circuit for Gain vs. Frequency

DUT

ISW

RSW

GND TO VDD

CODE = 0x00

0.1V

Figure 35. Test Circuit for Common-Mode Leakage Current

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