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BU7861KN Datasheet(PDF) 9 Page - Rohm |
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BU7861KN Datasheet(HTML) 9 Page - Rohm |
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9 / 14 page  Technical Note 9/13 www.rohm.com 2010.09 - Rev.A © 2010 ROHM Co., Ltd. All rights reserved. BU7861KN ● Recommended circuits Fig.17 Recommended Circuit PLLLPF FSYNC DSPCLK DSPIN DSPOUT EXTIN EXTOUT RECN RECP HP_L HP_R SPOUT HP_LI HP_RI Sound Source IC 0.01µ CPU 32Ω 8Ω SP amp 100µ 16Ω 100µ + CPU I/F VREF/COMMON TX_VOL DSP I/F RX_TEST1 TX_TEST1 A/D TX_TEST2 Tx_testline Rx_testline MIC_SEL EXTOUT REC_MT RX_VOL RX_TEST2 VIC_MT ST_MT ST_VOL D/A LPF SPRX_VOL SPVIC_MT MEL_MT AIN_L AIN_R MICO MICIN_1 VDD/VSS 16step MEL_VOL SPMEL_MT SPMEL_VOL SDI LRCLK BCLK 8step 32step 32step 16step 32step 32step +6～-8dB 0～-30dB -18～-42dB +6～-54dB +6～-8dB 0～-30dB 0～-45dB SYSCLK + - CSTEP HP_VOL TEST PLL HPL_MT HSJL_MT + - AIN_VOL MIC BIAS MICB_1 MICB_2 MICIN_2 MICIN_C AIN_MT DIG_MT SOUND_MT DTMF/ TONE TONE_MT SMUTE CPU MIC_MT EXTIN_MT HPR_MT HSJR_MT POP 16Ω 16step 0～-28dB + - + - + - + - + - + - + - + - + - + - + - BPF + + + + + HP2_VOL 8step HP2_VOL 8step DSP REC_TST HPR_TST HPL_TST MIC_BIAS Gain=3.2dB Gain=3.2dB +14～0dB +14～0dB |
Similar Part No. - BU7861KN_10 |
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Similar Description - BU7861KN_10 |
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