AD7779 datasheet(27/97 Pages) AD

27 / 97 page

Data Sheet

AD7779

Rev. 0 | Page 27 of 97

–120

–100

–80

–60

–40

–20

FREQUENCY (Hz)

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

Figure 68. Filter Profiles at 8 kSPS, High Resolution Mode

2.0

2.2

2.4

2.6

2.8

3.0

3.2

3.4

3.6

SUPPLY VOLTAGE (V)

AVDD1

AVDD2

AVDD4

IOVDD

ALL CHANNELS ENABLED

Figure 69. Supply Current vs. Supply Voltage at 8 kSPS, High Resolution Mode

TEMPERATURE (°C)

–40

–20

100

120

AVDD1

AVDD2

AVDD4

IOVDD

ALL CHANNELS ENABLED

Figure 70. Supply Current vs. Temperature at 8 kSPS, High Resolution Mode

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

FREQUENCY (Hz)

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

Figure 71. Filter Profiles at 2 kSPS, Low Power Mode

2.0

2.2

2.4

2.6

2.8

3.0

3.2

3.4

3.6

SUPPLY VOLTAGE (V)

AVDD1

AVDD2

AVDD4

IOVDD

ALL CHANNELS ENABLED

Figure 72. Supply Current vs. Supply Voltage at 2 kSPS, Low Power Mode

TEMPERATURE (°C)

–40

–20

100

120

AVDD1

AVDD2

AVDD4

IOVDD

ALL CHANNELS ENABLED

Figure 73. Supply Current vs. Temperature at 2 kSPS, Low Power Mode

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