General Description
The MAX4399 audio/video switch is ideal for digital settop box applications. The MAX4399 provides video and audio routing from the MPEG decoder source to the TV, VCR, and AUX SCART (peritelevision) connectors. In addition, the TV audio channel features clickless switching and programmable volume control from -56dB to +6dB in 2dB steps. The device can mix an auxiliary audio tone into the TV audio channel and can mix the stereo audio signal into a mono audio signal.
FEATUREs
✦ Low -86dB Video Signal-to-Noise Ratio
✦ 150Ω Driver on All Video Outputs, Including the
RF Modulator
✦ Full CVBS Loop-Through on AUX SCART
✦ Programmable Audio Gain Control of -56dB to
+6dB (TV Audio Outputs)
✦ Clickless Audio Switching (TV Audio Outputs)
✦ Programmable Clamp or Bias on Red/Chroma
Video Inputs
✦ Programmable Video Gain of +6dB, ±1dB on RGB
Outputs
✦ +5V and +12V Standard Supply Voltages
✦ 27MHz -3dB Large-Signal Bandwidth on All Video
Drivers
✦ Supports Three SCART Connectors
APPLICATIONs
Satellite Receivers
Satellite Set-Top Boxes
Cable Set-Top Boxes
Terrestrial Set-Top Boxes
Game Consoles
TVs
Digital Television (DTV)
VCRs
DVD Players
DVD+R/W Players