AD7794 datasheet(6/21 Pages) AD

部件名	AD7794

功能描述	Low Power, 24-Bit Sigma-Delta ADC with In-Amp and Embedded Reference (6 Channel)

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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AD7794

Preliminary Technical Data

REV.PrE 6/04 | Page 6

Parameter

AD7794B

Unit

Test Conditions/Comments

Internal Reference Noise

2

µV RMS

Gain = 1, Update Rate = 16.6 Hz. Includes ADC

Noise.

External REFIN Voltage

2.5

V nom

REFIN = REFIN(+) – REFIN(–)

Reference Voltage Range2

0.1

V min

V DD

V max

Absolute REFIN Voltage Limits2

GND – 30 mV

V min

AVDD + 30 mV

V max

Average Reference Input Current

400

nA/V typ

Average Reference Input Current Drift

±0.03

nA/V/°C typ

Normal Mode Rejection2

Same as for Analog

Inputs

Common Mode Rejection

Same as for Analog

Inputs

Reference Detect Levels

0.3

V min

NOXREF Bit Inactive if VREF < 0.3 V

0.65

V max

NOXREF Bit Active if VREF > 0.65 V

类似零件编号 - AD7794

制造商	部件名	数据表	功能描述
Analog Devices	AD7794	767Kb / 37P	6-Channel, Low Noise, Low Power REV. D
	AD7794BRU	814Kb / 36P	6-Channel, Low Noise, Low Power, 24-/16-Bit 誇-? ADC with On-Chip In-Amp and Reference REV. D
	AD7794BRU-REEL	814Kb / 36P	6-Channel, Low Noise, Low Power, 24-/16-Bit 誇-? ADC with On-Chip In-Amp and Reference REV. D
	AD7794BRUZ-REEL1	814Kb / 36P	6-Channel, Low Noise, Low Power, 24-/16-Bit 誇-? ADC with On-Chip In-Amp and Reference REV. D
	AD7794BRUZ1	814Kb / 36P	6-Channel, Low Noise, Low Power, 24-/16-Bit 誇-? ADC with On-Chip In-Amp and Reference REV. D

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类似说明 - AD7794

制造商	部件名	数据表	功能描述
Analog Devices	AD7792	241Kb / 18P	Low Power, 16/24-Bit Sigma-Delta ADC with Low-Noise In-Amp and Embedded Reference REV.PrF 6/04
	AD7798	499Kb / 17P	Low Power, 24-Bit/16-Bit Sigma-Delta ADC with In-Amp Rev. B
	AD7124-4-EP	272Kb / 17P	4-Channel, Low Noise, Low Power, 24-Bit, Sigma-Delta ADC with PGA and Reference Rev. 0
	ADFS7124-4	3Mb / 93P	4-Channel, Low Noise, Low Power, 24-Bit, Sigma-Delta ADC with PGA and Reference Rev. 0
	ADFS7124-8	2Mb / 93P	8-Channel, Low Noise, Low Power, 24-Bit, Sigma-Delta ADC with PGA and Reference Rev. 0
	AD7124-4	1Mb / 90P	4-Channel, Low Noise, Low Power, 24-Bit, Sigma-Delta ADC with PGA and Reference
	AD7124-8	1Mb / 91P	8-Channel, Low Noise, Low Power, 24-Bit, Sigma-Delta ADC with PGA and Reference
	AD7124-8	1Mb / 93P	8-Channel, Low Noise, Low Power, 24-Bit Sigma-Delta ADC with PGA and Reference
	AD7787	307Kb / 20P	Low Power, 2-Channel 24-Bit Sigma-Delta ADC REV. A
	AD7787	326Kb / 20P	Low Power, 2-Channel 24-Bit Sigma-Delta ADC REV. 0

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AD7794 数据表(PDF) 6 Page - Analog Devices

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AD7794 数据表(PDF) 6 Page - Analog Devices

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