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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.

Package Dimensions

unit: mm

3156-QFP48E

[LC78845Q]

Features

鈥?Converts data sampled at 32 or 48 kHz to 44.1-kHz

sampled data.

鈥?Passes 44.1-kHz sampled data trough without change.

鈥?Supports 384fs and 512fs system clock rates.

鈥?8脳 oversampling filters

鈥?Soft muting function

鈥?Built-in PLL circuit

SANYO: QIP48E

Specifications

Absolute Maximum Ratings

at Ta = 25擄C

Parameter

Maximum supply voltage

I/O voltages

Operating temperature

Storage temperature

Symbol

V

DD

max

V

I

, V

O

Topr

Tstg

Conditions

Ratings

鈥?.3 to +7.0

鈥?.3 to V

DD

+ 0.3

鈥?0 to +70

鈥?5 to +125

Unit

V

V

擄C

擄C

DC Characteristics

Parameter

Input voltage range

Input high-level voltage

Input low-level voltage

Output high-level voltage

Output low-level voltage

Symbol

V

IN

V

IH

V

IL

V

OH

V

OL

I

OH

= 鈥? 碌A(chǔ)

I

OL

= 1 碌A(chǔ)

V

DD

鈥?0.05

V

SS

+ 0.05

Ta = 鈥?0 to +70擄C

Conditions

min

0

0.7 V

DD

0.3 V

DD

typ

max

V

DD

Unit

V

V

V

V

V

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

鈥?CCB is a trademark of SANYO ELECTRIC CO., LTD.

鈥?CCB is SANYO鈥檚 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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