LV4920H

Ordering number : ENA0989 Bi-CMOS IC LV4920H Overview Class-D Audio Power Amplifier Power Cell BTL 15W×2CH, 10W×2CH The LV4920H is a 2-channel BTL full-bridge driver for digital power amplifiers. It requires a PWM modulator IC in the previous stage. This IC is a power cell that takes in PWM signals as an input and is used to form a digital amplifier system for TVs, amusement equipment, and other such systems. Application • TV sets (PDP/LCD) • Amusement equipment (pinball or pinball-slot-machines) • Home audio equipment (mini-/micro-audio systems) • Home theater equipment Features • BTL output, class D amplifier system • High-efficiency class D amplifier • Muting function reduces impulse noise at power on/off • Full complement of built-in protection circuits: overcurrent protection, thermal protection, and low power supply voltage protection circuits • Built-in bootstrap diodes Specification • Output 1=10W/ch, THD+N=10%, 8Ω Load, 1kHz, AES17, VD=13V • Output 2=15W/ch, THD+N=10%, 8Ω Load, 1kHz, AES17, VD=16V • High efficiency 85% or larger (Condition: 8Ω Load) • THD+N