9240LPRPQE datasheet(2/18 Pages) MAXWELL

Part #	9240LPRPQE

Description	14-Bit, 10 MSPS Monolithic A/D Converter with LPT ASIC

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Manufacturer	MAXWELL [Maxwell Technologies]

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01.10.05 REV 6

All data sheets are subject to change without notice

14-Bit, 10 MSPS Monolithic A/D Converter with LPT ASIC

9240LP

TABLE 1. 9240LP PIN DESCRIPTION

PIN NUMBER

NAME

DESCRIPTION

1

DVSS

Digital Ground

2, 29

AVSS

Analog Ground

3

DVDD

5V Digital Supply

4, 28

AVDD

5V Analog Supply

5

NC

No Connect

6

DRVDD

Digital Output Driver Supply

7

CLK

Clock Input Pin

8

LPTSTATUS

A 0 to 5V square-wave is output during the deci-

sion time and protect time. Normally low.

9

LPTBIT

The LPT circuit will crowbar the power supplies

to the 9240 for as long as a logic high is applied.

Used to verify operation of the LPT. Normally a

logical low or ground is applied to this input.

10

NC

No Connect

11

BIT 14

Least Significant Data Bit (LSB)

12-23

BIT 13-BIT 2

Data Output Bits

24

BIT 1

Most Significant Data Bits (MSB)

25

OTR

Out of Range

26, 27, 30

NC

No Connect

31

SENSE

Reference Select

32

VREF

Reference I/O

33

REFCOM

Reference Common

34, 38

NC

No Connect

35

BIAS 1

1. See Speed/Power programmability section.

Power/Speed Programming

36

CAPB

Noise Reduction Pin

37

CAPT

Noise Reduction Pin

39

CML

Common-Mod Level (Midsupply)

40

LPTVREF

Protected Reference I/O

41

VINA

Analog Input Pin (+)

42

VINB

Analog Input Pin (-)

43

LPTDVDD

Protected 5V Digital Supply

44

LPTAVDD

Protected 5V Analog Supply

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