LA74309TT - Monolithic Linear IC Microphone Amplifier
Pin No.
1 2 3 4 5 6 7 8 9 10 GND ALC input STANDBY CTL MIC output MIC input Ripple removal for VREF Internal MIC power supply ALC DET REC output VCC Pin Description www.DataSheet4U.com Equivalent Circuit Block Diagram & Application Circuit REC OUT VCC3.3V 0.47µF 4.7µF 10 9 8 2.2kΩ 7 6 VREF
Ordering number : ENA0903 www.DataSheet4U.com Monolithic Linear IC LA74309TT Overview Microphone Amplifier for Digital Still Camera LA74309TT is a microphone amplifier for digital still cameras that have mono audio recording.
The analog signal processing for the recording of the digital still camera or other equipment can be easily composed, because the MIC power supply and the ALC circuit are built-in.
Moreover, the regulator is built-in, therefore external regulator IC is unnecessary.
Fe
LA74309TT Features
* Microphone (MIC) amplifier (+20dB)
* MIC power supply with built-in pull-up resistor
* Automatic level control (ALC) amplifier (output level=-1dBV≈2.5Vpp)
* 3rd order LPF (fc=11kHz)
* 3.3V regulator (internal supply voltage: VCCA≈3.0V)
* Standby cont
