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LC78845Q

Sample Rate Converter for Digital Audio

SANYO -> Panasonic 

Ordering number : EN*5236

CMOS LSI

LC78845Q

Sample Rate Converter for Digital Audio

Preliminary

Overview

The LC78845Q is a synchronous sample rate converter for

digital audio signals.

Features

• Converts data sampled at 32 or 48 kHz to 44.1-kHz

sampled data.

• Passes 44.1-kHz sampled data trough without change.

• Supports 384fs and 512fs system clock rates.

• 8× oversampling filters

• Soft muting function

• Built-in PLL circuit

Package Dimensions

unit: mm

3156-QFP48E

[LC78845Q]

Specifications

Absolute Maximum Ratings at Ta = 25°C

Parameter

Maximum supply voltage

I/O voltages

Operating temperature

Storage temperature

Symbol

VDD max

VI, VO

Topr

Tstg

Conditions

DC Characteristics

Parameter

Input voltage range

Input high-level voltage

Input low-level voltage

Output high-level voltage

Output low-level voltage

Symbol

VIN

VIH

VIL

VOH

VOL

Conditions

Ta = –30 to +70°C

IOH = –1 µA

IOL = 1 µA

This LSI can easily use CCB that is SANYO’s original bus format.

SANYO: QIP48E

Ratings

Unit

–0.3 to +7.0

V

–0.3 to VDD + 0.3

V

–30 to +70

°C

–55 to +125

°C

min

0

0.7 VDD

VDD – 0.05

typ

max

Unit

VDD

V

V

0.3 VDD

V

V

VSS + 0.05

V

• CCB is a trademark of SANYO ELECTRIC CO., LTD.

• CCB is SANYO’s original bus format and all the bus

addresses are controlled by SANYO.

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-0005 JAPAN

22896HA (OT) No. 5236-1/10

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