LC78845Q Datasheet | SANYO

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 k Hz to 44.1-k Hz sampled data. - Passes 44.1-k Hz 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 pulse width DATAI setup time DATAI hold time LRCKI hold time LRCKI setup time Symbol t BKW t DS t DH t LH t LS Conditions min 50 20 20 25 25 typ max Unit ns ns ns ns ns 2. Audio data output Parameter BCLKO pulse width DATAO output delay time DATAO setup time DATAO hold time LRCKO output delay time LRCKO setup time LRCKO hold time WCLKO setup time WCLKO hold time Symbol t BWO t DAD t DSO t DHO t LRD t LSO t LHO t WSO t WHO 50 50 50 50 50 50 25 Conditions min 100 25 typ max Unit ns ns ns ns ns ns ns ns ns No. 5236-2/10 LC78845Q 3. Serial input (CCB = low) Parameter CL pulse width DI setup time DI hold...