AD7280AWBSTZ datasheet(7/48 Pages) AD

Teilenummer	AD7280AWBSTZ

Bauteilbeschribung	Lithium Ion Battery Monitoring System Cell balancing interface

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Hersteller	AD [Analog Devices]

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AD7280A

Rev. 0 | Page 7 of 48

ABSOLUTE MAXIMUM RATINGS

TA = 25°C, unless otherwise noted.

Table 4.

Parameter

Rating

VDD to VSS, AGND

−0.3 V to +33 V

VSS to AGND, DGND

−0.3 V to +0.3 V

VIN0 to VIN5 Voltage to VSS, AGND

VSS − 0.3 V to VDD + 0.3 V

VIN6 Voltage to VSS, AGND

VDD − 0.3 V to VDD + 1 V

CB1 Output to VSS, AGND

−0.3 V to DVCC + 0.3 V

CBx Output to VIN(x − 1)1

−0.3 V to VIN(x − 1)1 + 7 V

AUX1 to AUX6 Voltage to VSS, AGND

−0.3 V to AVCC + 0.3 V

AUXTERM Voltage to VSS, AGND

−0.3 V to AVCC + 0.3 V

AVCC to VSS, AGND, DGND

−0.3 V to +7 V

DVCC to AVCC

−0.3 V to +0.3 V

DVCC to VSS, DGND

−0.3 V to +7 V

VDRIVE to VSS, AGND

−0.3 V to +7 V

AGND to DGND

−0.3 V to +0.3 V

Digital Input Voltage to VSS, DGND

−0.3 V to VDRIVE + 0.3 V

Digital Output Voltage to VSS, DGND

−0.3 V to VDRIVE + 0.3 V

Input Current to Any Pin Except

Supply Pins2

±10 mA

Operating Temperature Range

−40°C to +105°C

Storage Temperature Range

−65°C to +150°C

Junction Temperature

150°C

Pb-Free Temperature,

Soldering Reflow

260(+0)°C

ESD

2 kV

1 x = 2 to 6.

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.

To conform with IPC 2221 industrial standards, it is advisable

to use conformal coating on the high voltage pins.

THERMAL RESISTANCE

θJA is specified for the worst-case conditions, that is, a device

soldered in a circuit board for surface-mount packages.

Table 5. Thermal Resistance

Package Type

θJA

θJC

Unit

48-Lead LQFP (ST-48)

76.2

17

°C/W

ESD CAUTION

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