LA74302FN Datasheet, PDF (1/12 Pages) Sanyo Semicon Device – Monolithic Linear IC Audio Interface for DSC

Ordering number : ENA1180
LA74302FN ^{Monolithic Linear IC}
Audio Interface for DSC
Overview
The LA74302FN is a SPEAKER AMP and MIC AMP built-in audio interface for DSC.
Functions
• Three-wire type SERIAL communications, MIC AMP
• MIC power supply provided
• ALC (ALC LEVEL: level changeover in three stages possible)
• REC/PB LPF (fc=4kHz: 3rd order)
• LINE output (with SERIAL MUTE)
• SPEAKER AMP (compatible with BEEP input MIX)
• With serial communications control electronic VOLUME
Specifications
Maximum Ratings at Ta=25°C
Parameter
Symbol
Conditions
Maximum supply voltage
Allowable power dissipation
VCC max
Pd max
Ta≤85°C *
Operating temperature
Topr
Storage temperature
Tstg
* Substrate mounting condition (30mm × 50mm × 0.8mm: glass epoxy) 2S2P
Ratings
Unit
5.0
V
500
mW
-15 to +85
°C
-55 to +150
°C
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Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
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customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
52808 TI IM 20060727-S00005 No.A1180-1/12