LA74303FN Datasheet, PDF (1/18 Pages) Sanyo Semicon Device – Monolithic Linear IC Audio Interface for DSC

Ordering number : ENA1181
LA74303FN ^{Monolithic Linear IC}
Audio Interface for DSC
Overview
The LA74303FN is a SPEAKER AMP and MIC AMP built-in audio interface for DSC.
Functions
• Three-wire type SERIAL communication, MIC AMP
• MIC power supply incorporated (with buit-in pull-up resistor), ALC AMP
• PB input method: Compatible with analog or digital (ΔΣ) signal input
• 3rd order LPF(compatible with REC/PB changeover, fc=4kHz or 11kHz selectable)
• SPEAKER AMP (compatible with BEEP input MIX)
• Electronic VOLUME (compatible with SERIAL communication control)
• LINE output (with SERIAL MUTE), compatible with STANDBY control
Specifications
Maximum Ratings at Ta=25°C
Parameter
Symbol
Conditions
Maximum supply voltage 1
Maximum supply voltage 2
Allowable power dissipation
VCCA max
VCCSP 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
5.0
V
500
mW
-15 to +85
°C
-55 to +150
°C
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the performance, characteristics, and functions of the described products in the independent state, and are not
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equipment.
52808 TI IM 20060710-S00001 No.A1181-1/18