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| Ordering number : ENN*7929 w w Overview wThe 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 at LV1017 D . Sh a et e 4U . om c Bi-CMOS IC Passive Decoder for Dolby Surround Systems 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 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 w w w .D VCC VIH VIL Symbol t a S a e h Conditions t e U 4 .c m o Ratings 12 450 -20 to +70 -40 to +125 Unit V mW C C 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 VCC range1 VCC range2 VO Dolby When Dolby surround is ON When Dolby Pro Logic surround is ON w w w .D at Sh a et e 4U . om c 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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