AD5231 datasheet(18/20 Pages) AD

18 / 20 page

REV. 0

–18–

AD5232

FREQUENCY– Hz

–60

–30

100k

10k

–6

–36

–42

–48

–54

–24

–12

–18

VDD = +2.7V

VSS = –2.7V

VA = 100mV rms

TA = 25 C

DATA = 80H

DATA = 40H

DATA = 20H

DATA = 10H

DATA = 08H

DATA = 04H

DATA = 02H

DATA = 01H

RAB = 10k

TPC 13. Gain vs. Frequency vs. Code, RAB = 10 kΩ

FREQUENCY – Hz

–60

–30

100k

10k

–6

–36

–42

–48

–54

–24

–12

–18

VDD = +2.7V

VSS = –2.7V

VA = 100mV rms

TA = 25 C

DATA = 80H

DATA = 40H

DATA = 20H

DATA = 10H

DATA = 08H

DATA = 04H

DATA = 02H

DATA = 01H

RAB = 50k

TPC 14. Gain vs. Frequency vs. Code, RAB = 50 kΩ

FREQUENCY – Hz

–60

–30

100k

10k

–6

–36

–42

–48

–54

–24

–12

–18

VDD = +2.7V

VSS = –2.7V

VA = 100mV rms

TA = 25 C

DATA = 80H

DATA = 40H

DATA = 20H

DATA = 10H

DATA = 08H

DATA = 04H

DATA = 02H

DATA = 01H

RAB = 100k

TPC 15. Gain vs. Frequency vs. Code, RAB = 100 kΩ

FREQUENCY – Hz

100k

10k

TA = 25 C

VDD = 5.5V 100mV ac

VSS = 0V,VB = 5V,VA = 0V

MEASURE at VW WITH CODE = 80H

RAB = 100k

RAB = 50k

RAB = 10k

TPC 16. PSRR vs. Frequency

FREQUENCY – kHz

120

100

VDD = VA2 = +2.75V

VSS = VB2 = –2.75V

VIN = +2.5VP

RAB = 100k

RAB = 50k

RAB = 10k

SEE TEST CIRCUIT, FIGURE 22

100

TA = 25 C

TPC 17. Analog Crosstalk vs. Frequency

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