SAA7705H 데이터 시트보기 (PDF) - Philips Electronics

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SAA7705H

Car radio Digital Signal Processor (DSP)

Philips Electronics 

Philips Semiconductors

Car radio Digital Signal Processor (DSP)

Preliminary specification

SAA7705H

SYMBOL

CDGND

VREFAD

FMRDS

FMMPX

PIN PIN TYPE

77 AP2D

78 AP2D

79 AP2D

80 AP2D

DESCRIPTION

positive reference for analog CD block

common-mode reference voltage SCAD1, SCAD2, SCAD3 and level-ADC

FM RDS analog input

FM multiplex analog input

Table 1 Explanation of pin types

PIN TYPE

AP2D

APVDD

APVSS

VDDE5

VSSE5

VDDI3

VSSI3

SCHMITCD

IBUFU

IBUFD

BD4CR

BT4CR

B4CR

BD4SCI4

DESCRIPTION

analog input/output

analog supply

analog ground

5 V peripheral supply

5 V peripheral ground connection, no connection to the substrate

3.3 V supply to digital core and internal I/O pads

3.3 V ground to digital core and internal I/O pads, no connection to the substrate

CMOS, Schmitt trigger input with active pull-down

CMOS, active pull-up to all VDDE5 pads

CMOS, active pull-down to all VSSE5 pads

bidirectional CMOS I/O buffer, 4 mA, slew rate control

4 mA CMOS 3-state output buffer, slew rate control

4 mA CMOS output buffer, slew rate control

CMOS I/O pad with open-drain output

1999 Aug 16

9

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