7872RPFI datasheet(2/11 Pages) MAXWELL

Part #	7872RPFI

Description	14-Bit A/D Converter

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Manufacturer	MAXWELL [Maxwell Technologies]

Direct Link	http://www.maxwell.com

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14-Bit A/D Converter

7872

5.21.02 Rev 4

TABLE 1. 7872 PIN DESCRIPTION

SIGNAL

DESCRIPTION

1

CONTROL

Control Function

2CONVST

Convert Start

3

CLK

Clock Input

4SSTRB

Serial Strobe

5

SCLK

Serial Clock

6

SDATA

Serial Data

7

NC

Non Connect

8

DGND

Digital Ground

9V

DD

Positive Supply

10

NC

No Connect

11

C

REF

Reference Capacitor

12

AGND

Analog Ground

13

REF

OUT

Voltage Reference Output

14

V

IN

Analog Input

15

V

SS

Negative Supply

16

V

DD

Positive Supply

TABLE 2. 7872 ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

MIN

MAX

UNIT

Positive Supply Voltage; Relative to GND

V

DD

-0.3

7.0

V

Negative Supply Voltage; Relative to GND

V

SS

0.3

7.0

V

AGND to DGND; Relative to GND

--

-0.3

V

DD +0.3

V

REF

OUT, CREF to AGND

--

0

V

DD

V

IN to AGND

--

V

SS -0.3

V

DD +0.3

V

Digital Input Voltage

V

IN

-0.3

V

DD +0.3

V

Digital Output Voltage

V

OUT

-0.3

V

DD +0.3

V

Thermal Impedance

Θ

JC

--

2.44

°C/W

Storage Temperature Range

T

S

-65

150

°C

Operating Temperature Range

T

A

-55

125

°C

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