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ASAHI KASEI
[AK2347]
AK2347
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• ƒsƒ“”z’u (Top view)
AGNDIN AGND TXINO TXIN EXTIN EXTINO LIMLV MOD VSS SDATA SCLK CSN
1 2 3 4 5 6 7 8 9 10 11 12
24 23 22 21 20 19 18 17 16 15 14 13
RXIN RXINO FILTERO RXOUT DINO DIN RSAOUT TSAOUT VDD XOUT XIN TEST
MS0375-J-00 -1-
2005/01
ASAHI KASEI
[AK2347]
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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
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