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