LA4725 - Sanyo

LA4725 2-Channel BTL Power Amplifier

Ordering number : EN 5715 * Monolithic Linear IC LA4725 2-Channel BTL Power Amplifier (30 W+30 W) with Standby Switch for Car Stereos Preliminary Overview The LA4725 is a BTL two-channel power IC for car audios developed in pursuit of excellent sound quality. Low-region frequency characteristics have been improved through the use of a new NF capacitorless.

Features

⋅ High power: supports total output of 30 W+30 W. [EIAJ power] (VCC=14.4 V, THD=30 %, RL=4 Ω) ⋅ Less pop noise. ⋅ Designed for excellent sound quality. (fL<10 Hz, fH=130 kHz) ⋅ Any rise time settable by an external capacitor. ⋅ Standby switch circuit on chip. (microcontroller supported) ⋅ Various protectors on chip. (output-to-ground short/ output-to-VCC short/ load short/ overvoltage/ thermal shutdown circuit) ⋅ The LA4725 is pin-compatible with the LA4728. SANYO: SIP14HZ Specifications Maximum Ratings at Ta = 25 ˚C Parameter Maximum supply voltage Surge supply voltage Maximum output curren.