AK4703

ASAHI KASEI AKM CONFIDENTIAL [AK4703] www.DataSheet4U.com = Target Spec = AK4703 AV SCART switch GENERAL DESCRIPTION The AK4703 offers the ideal features for digital set-top-box systems. The AK4703 includes the audio switches, video switches, video filters, etc. designed primarily for digital set-top-box systems. The AK4703 is offered in a space saving 64-pin LQFP package. FEATURES Analog switches for SCART Audio section † THD+N: −86dB (@2Vrms) † Dynamic Range: 96dB (@2Vrms) † Six Analog Inputs Full Differential Stereo Input for Decoder DAC Two Stereo Input (TV & VCR SCART) † Five Analog Outputs Two Stereo Outputs (TV & VCR SCART) One Mono Output (Modulator) † Pop Noise Free Circuit for Power on/off Video section † Integrated LPF: −35dB@27MHz † 75ohm driver † 6dB Gain for Outputs † Four CVBS/Y inputs (ENCx2, TV, VCR) Three CVBS/Y outputs (RF, TV, VCR) † Three R/C inputs (ENCx2, VCR), Two R/C output (TV, VCR) † Bi-directional control for VCR-Chroma/Red † Two G and B inputs (ENC, VCR), One G and B outputs (TV) † TV/VCR input monitor Loop-through Mode for standby Auto-Startup Mode for power saving SCART pin#TBD(Fast Blanking), pin#TBD(Slow Blanking) Control Power supply † 5V+/−5% and 12V+/−5% † Low Power Dissipation / Low Power Standby Mode Package † 64pin LQFP Rev. 0.1 -1- 2004/03 ASAHI KASEI AKM CONFIDENTIAL [AK4703] www.DataSheet4U.com „ Block Diagram VCOM5 VCOMR VCOML LIN MSEL AMPL AINL+ AINLAMP AINRAINR+ AMPR RIN TV1-0 MONO MONOOUT TVOUTL TVOUTR VCOM12 VD V...