AD7321_15 datasheet(9/37 Pages) AD

部件名	AD7321

功能描述	500 kSPS, 2-Channel, Software-Selectable, True Bipolar Input, 12-Bit Plus Sign ADC

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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9 / 37 page

AD7321

Data Sheet

Rev. B | Page 8 of 36

ABSOLUTE MAXIMUM RATINGS

TA = 25°C, unless otherwise noted.

Table 4.

Parameter

Rating

VDD to AGND, DGND

−0.3 V to +16.5 V

VSS to AGND, DGND

+0.3 V to −16.5 V

VDD to VCC

VCC − 0.3 V to 16.5 V

VCC to AGND, DGND

−0.3 V to +7 V

VDRIVE to AGND, DGND

−0.3 V to +7 V

AGND to DGND

−0.3 V to +0.3 V

Analog Input Voltage to AGND1

VSS − 0.3 V to VDD + 0.3 V

Digital Input Voltage to DGND

−0.3 V to +7 V

Digital Output Voltage to GND

−0.3 V to VDRIVE + 0.3 V

REFIN to AGND

−0.3 V to VCC + 0.3 V

Input Current to Any Pin

Except Supplies2

±10 mA

Operating Temperature Range

−40°C to +85°C

Storage Temperature Range

−65°C to +150°C

Junction Temperature

150°C

TSSOP Package

θJA Thermal Impedance

113.5°C/W

θJC Thermal Impedance

30°C/W

Pb-Free Temperature, Soldering

Reflow

260(0)°C

ESD

2.5 kV

1

If the analog inputs are driven from alternative VDD and VSS supply circuitry,

Schottky diodes should be placed in series with the VDD and VSS supplies of

the AD7321. See the Application Hints section.

2

Transient currents of up to 100 mA do not cause SCR latch-up.

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

类似零件编号 - AD7321_15

制造商	部件名	数据表	功能描述
Analog Devices	AD7321	697Kb / 37P	2-Channel, Software-Selectable, True Bipolar Input, 12-Bit Plus Sign ADC

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类似说明 - AD7321_15

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