Ordering number : EN*5236
CMOS LSI
LC78845Q
Sample Rate Converter for Digital Audio
Preliminary Overview
The LC78845Q ...
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
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
SANYO: QIP48E
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 Ratings –0.3 to +7.0 –0.3 to VDD + 0.3 –30 to +70 –55 to +125 Unit V V °C °C
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 IOH = –1 µA IOL = 1 µA VDD – 0.05 VSS + 0.05 Ta = –30 to +70°C Conditions min 0 0.7 VDD 0.3 VDD typ max VDD Unit V V V V V
This LSI can easily use CCB that is SANYO’s original bus format.
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
LC78845Q AC Characteristics 1. Audio data input
Parameter BCLKI...