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BU9253FS Datasheet(PDF) 2 Page - Rohm |
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BU9253FS Datasheet(HTML) 2 Page - Rohm |
2 / 6 page 2 Multimedia ICs BU9253AS / BU9253FS / BU9255FS •Pin descriptions BU9253FS / BU9255FS BU9253AS Pin No. Pin name Function 1 GND 2 ECHO VR 3 BIAS 4 DAINT IN 5 DAINT OUT 6 DALPF IN 7 DALPF OUT 8 MIX OUT 9 MIX IN 10 ADLPF IN 11 ADLPF OUT 12 ADINT OUT 13 ADINT IN 14 VCC 15 MUTE 16 CR Analog DC bias DA integrator input Echo level DC control DA integrator output DA LPF input DA LPF output Source sound and echo sound mixing output Mixing amplifier source sound input AD LPF input AD LPF output AD integrator output AD integrator input Vcc Mute control Oscillator output Ground •Absolute maximum ratings (Ta = 25°C) Parameter Symbol Limits Unit Applied voltage VCC 7V Power dissipation Pd 500∗1 600∗2 BU9253FS BU9253AS 500∗1 BU9255FS mW Operating temperature Topr – 10 ~ + 70 °C Storage temperature Topr – 55 ~ + 125 °C Input voltage VIN – 0.3 ~ VCC + 0.3 V ∗1 Reduced by 5.0mW for each increase in Ta of 1°C over 25°C. ∗2 Reduced by 6.0mW for each increase in Ta of 1°C over 25°C. •Recommended operating conditions (Ta = 25°C) Parameter Power supply voltage VCC 4.0 5.5 V 5.0 Symbol Min. Typ. Max. Unit Pin No. Pin name Function 1 GND 2 ECHO VR 3 N.C. 4 BIAS 5 DAINT IN 6 DAINT OUT 7 DALPF IN 8 DALPF OUT 9 MIX OUT 10 MIX IN 11 ADLPF IN 12 ADLPF OUT 13 ADINT OUT 14 ADINT IN 15 VCC 16 17 18 N.C. MUTE CR Ground Echo level DC control Internally Analog DC bias DA integrator input DA integrator output DA LPF input DA LPF output Source sound and echo sound mixing output Mixing amplifier source sound input AD LPF input AD LPF output AD integrator output AD integrator input Vcc Internally Mute control Oscillator output |
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