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LC78845Q Schematic ( PDF Datasheet ) - Sanyo Semicon Device

Teilenummer LC78845Q
Beschreibung Sample Rate Converter for Digital Audio
Hersteller Sanyo Semicon Device
Logo Sanyo Semicon Device Logo 




Gesamt 10 Seiten
LC78845Q Datasheet, Funktion
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
–0.3 to +7.0
–0.3 to VDD + 0.3
–30 to +70
–55 to +125
Unit
V
V
°C
°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






LC78845Q Datasheet, Funktion
Block Diagram
LC78845Q
Note: 1. BCLKI, LRCKI, DATAI
2. BCLKO, LRCKO, DATAO, WCLKO
3. R, VIN, VCO, UNLK
4. MKSEL, FSEL1, FSEL2, MUTE, STOP
5. CCB, SPSEL, CE, CL, DI
No. 5236-6/10

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