CXD2309Q Ver la hoja de datos (PDF) - Sony Semiconductor

Número de pieza

componentes Descripción

Fabricante

CXD2309Q

10-bit 85MSPS 3-Channel D/A Converter

Sony Semiconductor 

CXD2309Q

Latch Up Prevention

The CX2309Q is a CMOS IC which requires latch up precautions. Latch up is mainly generated by the lag in

the voltage rising time of AVDD (Pin 39, 40 and 41) and DVDD (Pin 48), when power supply is ON.

1. Correct usage

a. When analog and digital supplies are from different sources

AVDD

DVDD

39 40 41

AVDD

48

DVDD

+5V

+5V

C

CXD2309Q

C

DIGITAL IC

AVSS

AVSS

43 45 47

DVSS

34

b. When analog and digital supplies are from a common source

(i)

DVDD

+5V

C

AVSS

39 40 41

AVDD

48

DVDD

CXD2309Q

C

AVSS

43 45 47

DVSS

34

(ii)

DVDD

+5V

C

AVSS

39 40 41

AVDD

48

DVDD

CXD2309Q

C

AVSS

43 3435 47

DVSS

314

—11—

DIGITAL IC

DIGITAL IC

Share Link: