Ordering number : EN*5772 Monolithic Linear IC LV1035M Dolby ProLogic Decoder Preliminaly Overview Package Dimensions The LV1035M is a Dolby ProLogic surround signalprocessing IC that combines the functionality of the LV1016 and LA2786 products. The LV1035M allows systems that provide both Dolby ProLogic surround functionality and a wide range of additional digital surround functions to be constructed with a single IC. unit: mm 3159-QFP64E [LV1035M] Functions • • • • • • • • • • • • • • Adaptive matrix Center mode control (normal, phantom, and wide) 4-channel/3-channel logic control Auto-balance (on/off) ProLogic off mode (bypass and full bypass) Center trim (0 to –31 dB) in 1-dB steps On-chip memory (8K SRAM) Variable delay time (50, 40, 30, 25, 20, 15 ms) New A/D and D/A converter circuits adopted. Dolby B noise reduction On-chip I/O filters Built-in VDD circuit Surround trim (0 to –31 dB) in 1-dB steps Input and output muting functions SANYO: QIP64E Features • ProLogic surround decoder implemented in a single chip • Wide dynamic range • All modes can be controlled over a serial data control interface using clock, data, enable signals. Note: Dolby and the double D symbol are registered trademarks of the Dolby Laboratories Licensing Corporation. This IC can only be used by Dolby licensees. Licensing information and corresponding technical information is available from: Dolby Licensing Corporation San Francisco, CA 94103-4813 USA SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN D0597RM (OT) No. 5772-1/13 LV1035M Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Symbol Conditions Ratings Unit VCC max 12 Pd max 1100 Allowable power dissipation V mW Operating temperature Topr –20 to +70 °C Storage temperature Tstg –40 to +150 °C Ratings Unit Operating Conditions at Ta = 25°C Parameter Symbol Recommended supply voltage VCC Operating supply voltage range VCC op Conditions 9 V 8 to 10 V Input high-level voltage VIH 3.5 to 5.5 V Input low-level voltage VIL 0 to 1.5 V Dolby level VO Dolby 300 mVrms Operating Characteristics at Ta = 25°C, VCC = 9 V, VIN = 300 mV rms (left and right inputs), 300 mVrms x 0.707 (center and surround inputs), f = 1 kHz, center trim = 0 dB, surround trim = 0 dB, delay time = 20 ms. Parameter Symbol Conditions Quiescent current ICC No signal Center channel output level VOC L = R input Output level deviation VOA L, R, Sch from Cch Matrix rejection: left RiL Matrix rejection: center RjC Matrix rejection: right Matrix rejection: surround Ratings min typ max Unit 80 100 –2 0 +2 mA dB –0.5 0 +0.5 dB L input –40 –25 dB L = R input –40 –25 dB RjR R input –40 –25 dB RjS L = –R input –40 –25 dB Left channel harmonic distortion THD L L output 0.03 0.09 % Center channel harmonic distortion THD C C output 0.03 0.09 % 0.03 0.09 Right channel harmonic distortion THD R R output Surround channel harmonic distortion 1 THD S1 S matrix output Surround channel harmonic distortion 2 THD S2 % % S delay output 0.1 0.7 % S/N, L SN, L L output: CCIR/ARM, Rs = 10 kΩ –76 –71 dB S/N, C SN, C C output: CCIR/ARM, Rs = 10 kΩ –77 –71 dB S/N, R SN, R R output: CCIR/ARM, Rs = 10 kΩ –76 –71 dB S/N, S1 SN, S S matrix output S/N, S2 SN, S S delay output –75 –65 dB dB Left channel signal handling SHL L output: VCC = 8.5 V, THD ≤ 1% 15 16 dB Center channel signal handling SHC C output: VCC = 8.5 V, THD ≤ 1% 15 18 dB Right channel signal handling SHR R output: VCC = 8.5 V, THD ≤ 1% 15 16 dB Surround channel signal handling SHS1 S delay output: VCC = 8.5 V, THD ≤ 3% 15 18 dB Noise sequencer output level Noise reduction frequency characteristics 50 70 90 mV Dec1 Vns 0 dB, 1 kHz Each channel –1.5 0.0 +1.5 dB Dec2 –20 dB, 1 kHz –24 –22.5 –21 dB Dec3 0 dB, 5 kHz –1.5 0.0 +1.5 dB Dec4 –20 dB, 5 kHz –23.3 –21.8 –20.3 dB Dec5 –40 dB, 5 kHz –46.8 –45.3 –43.8 dB 0.01 0.03 % 90 –80 dB ProLogic off, left and right channels THDoff L, Rch 20 to 20 kHz BPF ProLogic off, left and right channels S/N S/Noff L, Rch CCIR/ARM No. 5772-2/13 LV1035M Sample Application Circuit No. 5772-3/13