STV6437B数据手册ST中文资料规格书

描述 Description

The STV6437B is a fully integrated solution for filtering and buffering standard- and high-definition signals, and buffering stereo audio signals from the MPEG decoder of a digital receiver, Blu-ray or DVD player, or iDTV plug-in.
The STV6437B is an assortment of switches and low-pass filters (three HD/SD filters and one SD filter) with output buffers and a dual audio amplifier that operates with either differential or single-ended inputs.

特性 Features

• I2C bus control
• Video section:
• Selectable 7-MHz/30-MHz, low-pass filters, plus bypass, on three encoder video inputs
• 7-MHz low-pass filters on six encoder video inputs
• DC-coupled inputs
• Each output is capable of driving an AC- or DC-coupled, 150-Ω video load at 3 V pp and CVBS output can drive a dual 75-Ω video load
• Selectable gain of 6 or 12 dB for each channel
• Selective video output muting
• Audio section:
• Stereo sound capability
• Differential or single-ended audio inputs
• Audio outputs drive 2-kΩ loads at 3 V RMS
• Selectable audio gain of 0 to 28 dB
• Audio output muting
• 9 V to 12 V single supply operation
• Click-noise suppression management
• Pop-noise suppression management
• Low power mode
• Audio/video standby function
• 应用
• Set-top boxes (IP, cable, satellite, terrestrial)
• Integrated digital TV plug-in
• Blu-ray and DVD players