AD7779ACPZ datasheet(24/101 Pages) AD

24 / 101 page

Data Sheet

AD7779

Rev. A | Page 23 of 100

ODR (kHz)

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

VREF = 2.5V

VIN = 0dBFS

TEMPERATURE = 25°C

Figure 38. SNR vs. ODR at 8 kSPS, High Resolution Mode

PGA GAIN

Figure 39. Dynamic Range vs. PGA Gain, High Resolution Mode, ODR = 8 kSPS

–60

–50

–40

–30

–20

–10

PGA GAIN

CH 0

CH 1

CH 2

CH 3

CH 4

CH 5

CH 6

CH 7

AVDD1x = 3.3V

VREF = 2.5V

TEMPERATURE = 25°C

VIN = 0V

Figure 40. Offset Error vs. PGA Gain, High Resolution Mode

0.5

ODR (kHz)

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

VREF = 2.5V

TEMPERATURE = 25°C

VIN = 0dBFS

Figure 41. SNR vs. ODR at 2 kSPS, Low Power Mode

PGA GAIN

Figure 42. Dynamic Range vs. PGA Gain, Low Power Mode, ODR = 2 kSPS

–70

–60

–50

–40

–30

–20

–10

PGA GAIN

CH 0

CH 1

CH 2

CH 3

CH 4

CH 5

CH 6

CH 7

VREF = 2.5V

TEMPERATURE = 25°C

VIN = 0V

AVDD1x = 3.3V

Figure 43. Offset Error vs. PGA Gain, Low Power Mode

AD7779ACPZ Datasheet(PDF) 24 Page - Analog Devices

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