7545ARPFS datasheet(2/9 Pages) MAXWELL

2 / 9 page

All data sheets are subject to change without notice

12-Bit Buffered Multiplying

Digital to Analog Converter

7545A

02.05.02 Rev 4

TABLE 1. 7545A PINOUT DESCRIPTION

SYMBOL

DESCRIPTION

OUT 1

Output Current

AGND

Analog Ground

DGND

Digital Ground

DB 11

Data Bit 11 (MSB)

DB 10

Data Bit 10

DB 9

Data Bit 9

DB 8

Data Bit 8

DB 7

Data Bit 7

DB 6

Data Bit 6

DB 5

Data Bit 5

DB 4

Data Bit 4

DB 3

Data Bit 3

DB 2

Data Bit 2

DB 1

Data Bit 1

DB 0

Data Bit 0 (LSB)

Chip Select (Active Low)

Write (Active Low)

Digital Supply Voltage

REF

Reference Input

RFB

Feedback Resistance

TABLE 2. 7545A ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

MIN

MAX

UNIT

DD to DGND

-0.3

Digital Input Voltage to DGND

-0.3

DD + 0.3

RFB, VREF to DGND

PIN1 to DGND

-0.3

DD + 0.3

AGND to DGND

-0.3

DD + 0.3

Power Dissipation to 75 °CP

450

Thermal Impedance — Flat Package

6.08

°C/W

Thermal Impedance — DIP Package

6.04

°C/W

Operating Temperature

-55

125

°C

Storage Temperature Range

-65

150

°C

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