BU9253FS Просмотр технического описания (PDF) - ROHM Semiconductor

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производитель

BU9253FS

Karaoke/Surround Digital Echo

ROHM Semiconductor 

・Output/ input LPF circuit

This is the LPF circuit connected to the ADC input unit and the DAC output unit. Delay time setting can be select by

internal resistor.

Delay amount

Switch

Resistance value

48.0msec or below

S1

4.8kΩ*

96.0msec or below

S2

11.3kΩ*

*Internal resistance precision is ±30%.

Pin1s11、11,91ピ9ン

Pi1n2s、1220ピ, 2ン0 P1i3n、s211ピ3,ン21

R1

R2

S1

R1

R1

R2

R2

S2

N(o注te)1:1IピnンPでinは1外1,付isけa容n量e結x合teにrnなaりl cまaすpacity connection

Fig.32 Input LPF / Output LPF circuit

・Auto mute circuit

Delay output is muted during power on and delay time switching.

●Timing chart

＜BU9262AFS＞

・Serial interface specification

SI

D0 D1

D12 D13 D14 D15

SCK

SLT

・Serial timing

Fig.33 Serial interface specification

SCK

SI

twCK

tdsu

twCK

th

tdsu

twLT

SLT

Fig.34 Serial timing

11/16

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