Ordering number : ENN*7929 Bi-CMOS IC LV1017 Passive Decoder for Dolby Surround Systems Overview The LV1017 is a passive decoder for Dolby surround systems. Features • Original A/D, D/A converter • Wide dynamic range • Virtual surround function • Rear stereo, pseudo-multi-tap function • Surround trim (Ls, Rs) external input • Built-in Lch, Rch, Lsch, Rsch output switching function • Reduced external component count Specifications Maximum Ratings at Ta = 25°C Parameter Maximum power supply voltage Allowable power dissipation Symbol Conditions Ratings VCC max Pd max Ta ≤ 70°C Unit 12 V 450 mW Operating temperature Topr -20 to +70 °C Storage temperature Tstg -40 to +125 °C Operating Conditions at Ta = 25°C Parameter Recommended operating voltage Symbol Conditions VCC Allowable operating voltage range 1 VCC range1 When Dolby surround is ON Allowable operating voltage range 2 VCC range2 When Dolby Pro Logic surround is ON Dolby level VO Dolby Ratings Unit 9 V 8 to 10 V 8.5 to 10 300 V mVrms Input "H" level voltage VIH 3.5 to 5.5 V Input "L" level voltage VIL 0 to 1.0 V 52504 JO IM No.7929-1/3 LV1017 Electrical Characteristics at Ta = 25°C, VCC = 9V VIN = 300mV = 0dB, h = 1kHz, Dolby passive mode Parameter Current consumption Symbol ICCO Conditions Ratings min typ No signal 15 Unit max 24 36 mA [LS, RSch] Signal handling S/N SH1S VCC = 8.5V, DIST < 3%, S-IN 15 SH2S VCC = 8V, DIST < 3%, L-R-IN 10 SNS CCIR/ARM, Rg = 10k 65 Output level variation VOS Distortion factor THDS -3 dB dB 75 dB 0 +3 dB 0.1 0.7 % [Lch] Signal handling SH1L VCC = 8.5V, DIST < 3% 15 S/N SNL CCIR/ARM, Rg = 10k 80 90 dB Output level variation VOL -2 0 +2 dB Distortion factor THDL 0.01 0.05 % dB [Rch] Signal handling SH1R VCC = 8.5V, DIST < 3% 15 S/N SNR CCIR/ARM, Rg = 10k 80 Output level variation VOR Distortion factor THDR When s trim is -15dB STRIM1 When s trim is -31dB STRIM2 NR frequency characteristic -2 When setting -15dB dB 90 dB 0 +2 0.01 0.05 dB % -16 -15 -14 dB When setting -31dB -33 -31 -29 dB Dec1 0dB, 1kHz -1.5 0 +1.5 dB Dec2 -20dB, 1kHz -24 -22.5 +21 dB Dec3 0dB, 5kHz -1.5 0 +1.5 dB Dec4 -20dB, 5kHz -23.3 -21.8 +20.3 dB Dec5 -40dB, 5kHz -46.8 -45.3 +43.8 dB Package Dimensions unit : mm 3107A No.7929-2/3 LV1017 PS No.7929-3/3