BU9253AS Datasheet, PDF (3/6 Pages) Rohm – KARAOKE echo IC

Multimedia ICs
BU9253AS / BU9253FS / BU9255FS
•Electrical characteristics (Ta = 25°C, VCC = 5.0V, fCLK = 375kHz, f = 1kHz, VI = - 10dBV, pin 2 = VCC, pin 15 = VCC,
distortion = 400Hz ~ 30kHz filter, output noise voltage : DIN-AUDIO)
*Pin No. are for BU9253FS , BU9255FS and BU9253AS
Parameter
Current consumption
Voltage gain 1
Voltage gain 2
Output distortion 1
Output distortion 2
Output noise voltage 1
Output noise voltage 2
Max. output voltage 1
Max. output voltage 2
Mute control
Oscillation frequency
Symbol
ICC
GV1
Min.
—
– 5.6
Typ.
6
– 3.5
Max.
12
– 1.4
GV2
THD1
THD2
VNO1
VNO2
VOM1
VOM2
VH
VM
VL
fC
–1
0
1
—
1.5
3
—
0.02
0.1
— – 80 – 60
— – 90 – 80
1.4
1.7
—
1.4
1.7
—
3.8
—
5.0
1.6
—
2.8
0
—
0.7
—
375
—
Unit
Conditions
mA No signal
Delay total gain
dB
IN1→OUT
dB
Through total gain
IN2→OUT, pin2 = ground
% Delay side
% Through, pin2 = ground
dBV Delay, Rg = 1kΩ
dBV
Through side
Rg = 1kΩ, pin2 = ground
Vrms _{Delay, THD = 10%}
Vrms
Through side, THD = 1%
Pin 2 = ground
V H mode hold voltage, pin 15 DC
V M mode hold voltage, pin 15 DC
V L mode hold voltage, pin 15 DC
kHz
3