AUDIO LSI

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MS0375-J-00 -2- 2005/01 www.DataSheet4U.com ASAHI KASEI [AK2347] ƒuƒ• bƒN•} EXTINO EXTIN 5 + TXA2 fc = 300Hz TX/RX _HPF 6 TXSW2,1 LIMLV 7 LMT 8 TXINO 3 TC 4 + TXA1 VR1 (HPF) -6 to +4.5/1.5dB EM PreEmphasis TXIN RXINO 23 24 RXIN 22 FILTERO Compressor Adder Scrambler/ Descrambler Limiter VR2 -9.6 to +3.0 /0.2dB Splatter fc = 2.55kHz /3.0kHz SMF MOD TXRX + RXA1 RXLPF HPF VR3 TXRX PCONT DeEmphasis Expander EM TC 21 VR4 -18,-4.5 to +4.5 /0.25dB SMF RXOUT -4 to +3.5/0.5dB RXSW FILSW2,1 3.6864MHz / 3.579545MHz 14 XIN DINO 20 19 + DTA1 Sub-Audio Programmable LPF Power ON Power ON at Mode 1,2,3,4 at Mode 2,4 Power ON at Mode 3,4 Power ON at Mode 2,3,4 OSC 15 DIN SASW -6 to +6/ 0.5dB VR5 SASW 17 18 RSAOUT TSAOUT Control Register 16 9 AGNDIN AGND XOUT 10 SDATA 11 12 13 1 + + 2 TEST MS0375-J-00 -3- VSS 2005/01 AGND SCLK + CSN VDD ASAHI KASEI [AK2347] ‰ñ˜H• ¬ ƒuƒ• bƒN TXA1 VR1 (HPF) Compressor www.DataSheet4U.com Pre-emphasis ‹@ ” MMCiSCF‰HmC–hŽtB½‚Ì^ƒ‹ •—‘ •º ¹‰ ƒQ Ì‚†• ’ãŒÑ‚æ ¨ ®•² “ƒ Ì‚ ˜ñ 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