AD7194BCPZ-REEL7 datasheet(5/55 Pages) AD

номер детали	AD7194BCPZ-REEL7

подробное описание детали	24-Bit Sigma-Delta ADC with PGA

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AD7194

Data Sheet

Rev. B | Page 4 of 54

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments1

Normal Mode Rejection2

Sinc4 Filter

Internal Clock

@ 50 Hz, 60 Hz

100

dB

10 Hz output data rate, 50 Hz ± 1 Hz,

60 Hz ± 1 Hz

74

dB

50 Hz output data rate, REJ606 = 1,

50 Hz ± 1 Hz, 60 Hz ± 1 Hz

@ 50 Hz

96

dB

50 Hz output data rate, 50 Hz ± 1 Hz

@ 60 Hz

97

dB

60 Hz output data rate, 60 Hz ± 1 Hz

External Clock

@ 50 Hz, 60 Hz

120

dB

10 Hz output data rate, 50 Hz ± 1 Hz,

60 Hz ± 1 Hz

82

dB

50 Hz output data rate, REJ606 = 1,

50 Hz ± 1 Hz, 60 Hz ± 1 Hz

@ 50 Hz

120

dB

50 Hz output data rate, 50 Hz ± 1 Hz

@ 60 Hz

120

dB

60 Hz output data rate, 60 Hz ± 1 Hz

Sinc3 Filter

Internal Clock

@ 50 Hz, 60 Hz

75

dB

10 Hz output data rate, 50 Hz ± 1 Hz,

60 Hz ± 1 Hz

60

dB

50 Hz output data rate, REJ606 = 1,

50 Hz ± 1 Hz, 60 Hz ± 1 Hz

@ 50 Hz

70

dB

50 Hz output data rate, 50 Hz ± 1 Hz

@ 60 Hz

70

dB

60 Hz output data rate, 60 Hz ± 1 Hz

External Clock

@ 50 Hz, 60 Hz

100

dB

10 Hz output data rate, 50 Hz ± 1 Hz,

60 Hz ± 1 Hz

@ 50 Hz

67

dB

50 Hz output data rate, REJ606 = 1,

50 Hz ± 1 Hz, 60 Hz ± 1 Hz

@ 50 Hz

95

dB

50 Hz output data rate, 50 Hz ± 1 Hz

@ 60 Hz

95

dB

60 Hz output data rate, 60 Hz ± 1 Hz

Fast Settling

Internal Clock

@ 50 Hz

26

dB

FS[9:0]3 = 6, average by 16, 50 Hz ± 0.5 Hz

@ 60 Hz

26

dB

FS[9:0]3 = 5, average by 16, 60 Hz ± 0.5 Hz

External Clock

@ 50 Hz

40

dB

FS[9:0]3 = 6, average by 16, 50 Hz ± 0.5 Hz

@ 60 Hz

40

dB

FS[9:0]3 = 5, average by 16, 60 Hz ± 0.5 Hz

ANALOG INPUTS

Differential Input

Voltage Ranges

±VREF/gain

V

VREF = REFINx(+) − REFINx(−),

gain = 1 to 128

−(AVDD − 1.25 V)/gain

+(AVDD − 1.25 V)/gain

V

Gain > 1

Absolute AIN Voltage

Limits2

Unbuffered Mode

AGND − 0.05

AVDD + 0.05

V

Buffered Mode

AGND + 0.25

AVDD − 0.25

V

Analog Input Current

Buffered Mode

Input Current2

−2

+2

nA

Gain = 1

−3

+3

nA

Gain > 1

Input Current Drift

±5

pA/°C

Unbuffered Mode

Input Current

±3.5

µA/V

Gain = 1, input current varies with input

voltage

±1

µA/V

Gain > 1

Input Current Drift

±0.05

nA/V/°C

External clock

±1.6

nA/V/°C

Internal clock

Аналогичный номер детали - AD7194BCPZ-REEL7

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Analog Devices	AD7194BCPZ-REEL7	1,002Kb / 56P	8-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA REV. 0

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Аналогичное описание - AD7194BCPZ-REEL7

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