LA74320FN Datasheet Text
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Ordering number : EN- A0905 A
Monolithic Linear IC
LA74320FN
Overview
Audio I/O Interface for Cell Phone
The LA74320FN is an audio I/O interface IC for cell phones that integrates, on a single chip, amplifiers for a stereo speaker, EVR stereo headphone, internal and external microphones, and a receiver speaker.
Features
- INT & EXT MIC amplifiers selectable (MIC power supply built-in)
- ALC amplifier (ALC level: 3 levels selectable)
- Base band/audio source input selector switch
- ALC (through switch, ALC level: 4 levels selectable)
- EVR stereo headphone amplifier
- Stereo speaker amplifier
- Receiver speaker amplifier (mono) standby control
- I2C bus supported (first mode)
Specifications
Maximum Ratings at Ta=25°C
Parameter Supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max Pd max Topr Tstg Ta≤70°C, Mounted on a specified board
- 1 Conditions Ratings 5.5 TBD -20 to +70 -55 to +150 Unit V mW °C °C
- 1: Mounted on a specified board: TBD
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, munication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee...