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BU9262FAS-E2 Datasheet(PDF) 10 Page - Rohm |
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BU9262FAS-E2 Datasheet(HTML) 10 Page - Rohm |
10 / 17 page 10/16 ・ Delay time control circuit This circuit controls delay time. -8 delay time can be selected by register. D0 D1 D2 Delay time (Sampling frequency) LPF cutoff frequency L L L 9.2msec (2MHz / 6) H L L 15.4msec (2MHz / 6) L H L 21.1msec (2MHz / 6) H H L 30.0msec (2MHz / 6) L L H 48.0msec (2MHz / 6) 7kHz H L H 96.0msec (2MHz / 12) L H H 144.0msec (2MHz / 18) H H H 192.0msec (2MHz / 24) 3kHz ・ Delay signal volume circuit This is the delay signal volume circuit. 8 volume setting can be selected by register. D8 D9 D10 DLYVOL L L L +3dB H L L 0dB L H L -3dB H H L -6dB L L H -9dB H L H -12dB L H H -15dB H H H -∞dB ・ Feedback volume circuit This is the feedback volume circuit. 8 feedback volume setting can be selected by register. D11 D12 D13 FBVOL L L L -3dB H L L -5dB L H L -7dB H H L -9dB L L H -11dB H L H -13dB L H H -15dB H H H -∞dB ・ Input mixer・selector circuit This mixes MIC IN, LCIN, RCIN, VOIN signals, and selects the output path by selector. LCIN RCIN - MRCIN ISEL OSEL #2 OSEL #3 FBVOL VOIN ADC ディレイ DAC OSEL #1 - DLY VOL DOSW LCOUT RCOUT DSIG + + + + + + Fig.31 Input mixer selector circuit Delay |
Similar Part No. - BU9262FAS-E2 |
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Similar Description - BU9262FAS-E2 |
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