BU9253AS Rohm Semiconductor, BU9253AS Datasheet - Page 11

• Manufacturer Part Number: BU9253AS
• Description: IC KARAOKE ECHO SGL CHIP SDIP18
• Manufacturer: Rohm Semiconductor
• Type: Echo ICr

Specifications of BU9253AS

• Applications: Karaoke
• Mounting Type: Through Hole
• Package / Case: 18-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

●Timing chart
・
・Auto mute circuit
＜BU9262AFS＞
Output/ input LPF circuit
internal resistor.
This is the LPF circuit connected to the ADC input unit and the DAC output unit. Delay time setting can be select by
Delay output is muted during power on and delay time switching.
・Serial interface specification
・Serial timing
SI
SCK
SLT
SCK
SI
SLT
48.0msec or below
96.0msec or below
S1
S2
*Internal resistance precision is ±30%.
Note: In Pin 11, is an external capacity connection
Delay amount
(注)11ピンでは外付け容量結合になります
D0
Fig.33 Serial interface specification
R1
R2
D1
twCK
Fig.32 Input LPF / Output LPF circuit
Pins 11, 19
Fig.34 Serial timing
tdsu
11、19ピン
twCK
th
D12 D13 D14 D15
Switch
R1
R2
11/16
S1
S2
Pins 12, 20
12、20ピン
tdsu
Resistance value
R1
R2
twLT
Pins 13, 21
11.3kΩ*
13、21ピン
4.8kΩ*