MAX17823B datasheet(3/121 Pages) MAXIM

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MAX17823B

12-Channel High-Voltage Data Acquisition System

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Maxim Integrated | 3

Absolute Maximum Ratings

HV to AGND ...................................................................................................................................................... -0.3 to +80V

DCIN, SWn, VBLKP, Cn to AGND ......................................................................................... -0.3V to min (VHV + 0.3V, 72V)

Cn to Cn-1 ........................................................................................................................................................-72V to +72V

SWn to SWn-1 .................................................................................................................................................-0.3V to +16V

VAA to AGND .....................................................................................................................................................-0.3v to +4V

VDDL1 to GNDL1 ..............................................................................................................................................-0.3V to +4V

VDDL2 to GNDL2 ..............................................................................................................................................-0.3V to +6V

VDDL3 to GNDL3 ..............................................................................................................................................-0.3V to +6V

VAA to VDDL1, VDDL2, VDDL3 ....................................................................................................................-0.3V to + 0.3V

AGND to GNDL1, GNDL2, GNDL3................................................................................................................-0.3V to + 0.3V

AUXIN1, AUXIN2, THRM to AGND..........................................................................................................-0.3V to VAA + 0.3V

SHDNL to AGND .....................................................................................................................................-0.3 to VDCIN + 0.3V

CTG to AGND....................................................................................................................................................-0.3V to +6V

RXLP, RXLN, RXUP, RXUN to AGND..............................................................................................................-30V to +30V

TXLP, TXLN to GNDL2......................................................................................................................................-0.3V to +6V

TXUP, TXUN to GNDL3.....................................................................................................................................-0.3V to +6V

CPP to AGND ..................................................................................................................................... VDCIN - 1V to VHV + 1V

CPN to AGND.......................................................................................................................................-0.3V to VDCIN + 0.3V

GPIO0, GPIO1, GPIO2, GPIO3 to GNDL1............................................................................................ -0.3V to VDDL1 + 0.3V

Maximum Continuous Current into Any Pin (see Note 1) ............................................................................................±20mA

Maximum Continuous Current into SWn Pin (see Note 2).........................................................................................±400mA

Maximum Average Power for ESD Diodes (see Note 3) ......................................................................................... 14.4W/√τ

Package Continuous Power (see Note 4) ................................................................................................................2000mW

Operating Temperature Range ...................................................................................................................... -40° to +105°C

Junction-to-Ambient Thermal Resistance (θJA)..........................................................................................................42.93°C

Junction-to-Case Thermal Resistance (θJC) ................................................................................................................8.63°C

Storage Temperature Range ......................................................................................................................... -55° to +150°C

Junction Temperature (continuous)..............................................................................................................................150°C

Soldering Lead Temperature (10s maximum) ..............................................................................................................300°C

Note 1: Balancing switches disabled.

Note 2: One balancing switch enabled, 60s maximum.

Note 3: Average power for time period τ where τ is the time constant (in µs) of the transient diode current during hot-plug

event. For, example, if τ is 330µs, the maximum average power is 0.793W. Peak current must never exceed 2A.

Actual average power during hot-plug must be calculated from the diode current waveform for the application circuit

and compared to the maximum rating.

Note 4: Multi-layer board. For TA > 70ºC derate 25mW/ºC.

Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and

functional operation of the device at these or any other beyond those indicated in the operational sections of the specifications is not implied.

Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

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