AD7191BRUZ datasheet(5/20 Pages) AD

Il numero della parte	AD7191BRUZ

Spiegazioni elettronici	Pin-Programmable, Ultralow Noise, 24-Bit, Sigma-Delta ADC for Bridge Sensors

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Produttore elettronici	AD [Analog Devices]

Homepage	http://www.analog.com

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AD7191

Rev. A | Page 5 of 20

Parameter1

AD7191B

Unit

Test Conditions/Comments

Floating-State Leakage Current

±10

μA max

Floating-State Output Capacitance

10

pF typ

Data Output Coding

Offset binary

POWER REQUIREMENTS3

Power Supply Voltage

AVDD

− AGND

3/5.25

V min/V max

DVDD

− DGND

2.7/5.25

V min/V max

Power Supply Currents

AIDD Current

0.85

mA max

0.75 mA typical, gain = 1.

3.6

mA max

3 mA typical, gain = 8.

5

mA max

4 mA typical, gain = 64 or 128.

DIDD Current

0.4

mA max

0.35 mA typical, DVDD = 3 V.

0.6

mA max

0.5 mA typical, DVDD = 5 V.

1.5

mA typ

External crystal used.

IDD (Power-Down Mode)

3

μA max

1 Temperature range: −40°C to +105°C.

2 Specification is not production tested but is supported by characterization data at initial product release.

3 Digital inputs equal to DVDD or DGND.

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