Pinning; Audio Amplifier Stage With Mp7722; General Description; Features - Hitachi 42LDF30UB Service Manual

Table of Contents

Advertisement

From 45.25MHz to 863.25MHz for CCIR CH)
Including IF AGC with SAW Filter
Bandwidth Switching (7/8 MHz) possible
DC/DC Converter built in for Tuning Voltage
Internal(or External) RF AGC, Antenna Power Optional
2.3.

Pinning:

3. AUDIO AMPLIFIER STAGE WITH MP7722

3.1.

General Description

17MB35 uses a 20W Class D Stereo Single Ended Audio Amplifer for audio.
MP7722 is a stereo 20W Class D Audio Amplif
fully integrated audio amplifiers which dramatically reduces solution size by integrating
the following:
180m
Startup / Shutdown pop elimination
Short circuit protection
Mute / Standby
The MP7722 utilizes a single ended output structure capable of delivering 2 x 20W into
4
speakers. MPS Class D Audio Amplifiers exhibit the high fidelity of a Class A/B
amplifier at efficiencies greater than 90%. The circuit is based on the MPS' proprietary
variable frequency topology that delivers low distortion, fast response time and operates
on a single power supply.
3.2.

Features

2 x 20W Output at VDD = 24V into a 4
THD+N = 0.06% at 1W, 8
93% Efficiency at 20W
ier. It is one of MPS' second generation of
The

Advertisement

Table of Contents
loading

This manual is also suitable for:

42ldf30ua42ldf30u

Table of Contents