AK4703 Datasheet, PDF (1/38 Pages) Asahi Kasei Microsystems – AV SCART switch

ASAHI KASEI
AKM CONFIDENTIAL
[AK4703]
= 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
2004/03
-1-