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5102ALP

16-Bit, 20 KHz A/D Converter

MAXWELL TECHNOLOGIES 

16-Bit, 20 KHz A/D Converter

+VDIG

+VANA

5102ALP LPTTM BLOCK DIAGRAM

Current

Sense

5102ALP

+LPTV

AIN 1

AIN 2

VREF

-LPTV

Switch

Timer

5102A

Control Logic

LPTBIT

LPTSTATUS

Switch

-VDIG

-VANA

Current

Sense

LATCH-UP PROTECTION CIRCUIT (LPT) PIN DESCRIPTION

PIN

PIN

NAME

FUNCTION

18 LPTBIT The LPT circuit will crowbar the power supplies to the SEI5102ALPRP for as long as a logi-

cal high is applied. Used to verify operation of the LPT. Normally a logical low or ground is

applied to this input.

26 -LPTV Negative power supply. VA- and VD- are connected and can be measured on this pin. Nor-

mally -5V.

27 +LPTV Positive power supply. VA+ and VD+ are connected and can be measured on this pin. Nor-

mally +5V.

01.17.05 REV 3 All data sheets are subject to change without notice 7

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