ROHM Semiconductor BA7760F
The BA7760 and BA7760F are dual microphone amplifiers designed for audio signal amplification. These are low noise amplifiers with a low -122dBV (typically) equivalent input noise voltage. Each IC has an internal mixer buffer amplifier for the mixing of signals from two channels.| Part No. | BA7760F |
|---|---|
| Datasheet | BA7760F Download |
| Manufacturer |  ROHM Semiconductor |
| Description | Microphone Amplifier |
| Buy | Stock & Price |
APPLICATIONS
● Audio equipment with karaoke features, VCRs, LDs, etc.FEATURES
● 1) Internal 2-channel low noise microphone amplifier. 2) Internal mixer buffer amplifier with mute function. 3) Available in 2 types of packages: DIP 14-pin or SOP 14-pin.●Absolute maximum ratings (Ta = 25°C) Parameter Applied voltage Power dissipation BA7760 BA7760F Symbol VCC Pd Topr Tstg Limits 15 600∗1 450∗2 – 25 ~ + 75 – 55 ~ + 125 Unit V mW °C °C Operating temperature Storage temperature ∗1 Unmounted. Reduced by – 6.0mW for each increase in Ta of 1°C over 25°C. ∗2 Unmounted. Reduced by – 4.5mW for each increase in Ta of 1°C over 25°C.
●Recommended operating conditions Parameter Power supply voltage Symbol VCC Limits 6 ~ 14 Unit V 1 Multimedia ICs BA7760 / BA7760F
●Block diagram 3 MIC IN Ch1 ( + ) 1 RIPPLE FILTER 4 MIC IN Ch1 ( – ) 6 MIC OUT Ch1 5 FILTER Ch1 7 MIX IN 2 GND MUTE CTRL 13 – MIX BF + + – MIC AMP CH 1 MIC AMP CH 2 + – FILTER Ch2 10 MIC IN Ch2 ( – ) 11 MIC IN Ch2 ( + ) 12 MIX OUT 8
●Pin descriptions Pin No.
