AD7631BCPZRL datasheet(7/32 Pages) AD

Part #	AD7631BCPZRL

Description	18-Bit, 250 kSPS, Differential Programmable Input PulSAR짰 ADC

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Manufacturer	AD [Analog Devices]

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AD7631

Rev. A | Page 7 of 32

ABSOLUTE MAXIMUM RATINGS

Table 5.

Parameter

Rating

Analog Inputs/Outputs

IN+1, IN−1 to AGND

VEE − 0.3 V to VCC + 0.3 V

REF, REFBUFIN, TEMP,

REFGND to AGND

AVDD + 0.3 V to

AGND − 0.3 V

Ground Voltage Differences

AGND, DGND, OGND

±0.3 V

Supply Voltages

AVDD, DVDD, OVDD

−0.3 V to +7 V

AVDD to DVDD, AVDD to OVDD

±7 V

DVDD to OVDD

±7 V

VCC to AGND, DGND

–0.3 V to +16.5 V

VEE to GND

+0.3 V to −16.5 V

Digital Inputs

−0.3 V to OVDD + 0 .3 V

PDREF, PDBUF

±20 mA

Internal Power Dissipation2

700 mW

Internal Power Dissipation3

2.5 W

Junction Temperature

125°C

Storage Temperature Range

−65°C to +125°C

Stresses above those listed under Absolute Maximum Ratings

may cause permanent damage to the device. This is a stress

rating only; functional operation of the device at these or any

other conditions above those indicated in the operational

section of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect

device reliability.

ESD CAUTION

1 See the Analog Inputs section.

2 Specification is for the device in free air: 48-lead LFQP; θJA = 91°C/W and θJC = 30°C/W.

3 Specification is for the device in free air: 48-lead LFCSP; θJA = 26°C/W.

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