NJW1103A PRELIMINARY Surround processor with Dolby Pro Logic Surround Decoder ■DESCRIPTION The NJW1103A is a Dolby Pro Logic Surround processor which contains all of the necessary functions of Pro Logic decoder include time delay. Features include not only Dolby Pro Logic but also other surround such as Matrix, Hall, etc. and echo and mic mixing function for karaoke. ■PACKAGE OUTLINE Dolby and double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. San Francisco, CA94103-4813.USA. This device is available only to licensees of Dolby Lab. Licensing and application information may be obtained from Dolby Lab. NJW1103AFC3 ■FEATURES ●Operating Voltage VCC=9V(Analog), VDD=5V(Digital) ●Digital Delay on Chip ●Cch, Sch Channel Level Trimmer ●Digital Noise Sequencer ●Karaoke Function (Echo, Mic Mixing) ●Serial Data Interface (DATA, REQ, SCK) ●Bi-CMOS Technology ●Package QFP80-C3 ■FUNCTION Dolby Pro Logic Surround • Automatic input balance • Digital Noise sequencer • Adaptive matrix • Center channel control (wideband, normal, phantom) • Modified B-type noise reduction • 7kHz low-pass filter • Dolby 3 stereo mode • Digital time delay Other Surround • Sound field control • Front mixing control • Digital time delay Karaoke • Echo control • Mic mixing ■BLOCK DIAGRAM BY -PASS Lout PRO LOGIC DECODER Adaptive Matrix 7kHz LPF & Modified B NR Center Mode Control Rin Digital Noise Sequencer Aut o Input Bal anc e Lin L Rout R C S TRIMMER Cout TRIMMER Sout +/- DIGITAL DELAY L+R L-R LPF A/D 16k SRAM D/A LPF VOL MIC Dout MCU INTERFACE ECHO FILTER REQSCK DATA SURROUND FILTER - 1 –A NJW1103A ■PACKAGE OUTLINE (QFP80-C3) 0 - 10° ±0.3 22.8 ±0.2 20.0 41 64 40 16.8±0.3 14.0±0.2 65 80 24 ±0.05 0.35 1.4 2.8 0.8 3.05MAX -0.02 1 0.15 +0.05 25 ±0.1 0.1 ±0.2 0.6 0.1 UNIT:mm Pin No. Pin Name Pin No. Pin Name Pin No. Pin Name Pin No. Pin Name 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 FILTER LOUT ROUT CT COUT ST SOUT CMC SMRO SMRI AGND MIC IN DVDD TEST CNT DATA SCK REQ LO1 LO2 LO3 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 XIN XOUT DVSS AVSS AVDD VREFD MIX OUT DELAY IN LPF1 IN1 LPF1 IN2 LPF1 OUT AD INT IN AD INT OUT AD CONT DA CONT DA INT IN DA INT OUT LPF2 IN1 LPF2 IN2 LPF2 OUT 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 VOL OUT DELAYSIG IN DELAYSIG OUT FBIN EC FBIN SU S'OUT DBIN LPIN DBC1 DBC2 DBC3 PSC3 PSC6 PSC2 PSC5 PSC1 PSC4 RLC5 RLC2 RLC1 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 RLC4 RLC7 RLC3 RLC8 RLC6 LLI LBPF RLI RBPF LT RT LIN RIN HOLDC AVCC VREFA VREFG IREF REF OUT NSQ -2- NJW1103A ■ASOLUTE MAXIMUM RATINGS (Ta = 25ºC) PARAMETER SYMBOL VCC Supply Voltage VDD Power Dissipation Pd Operating Temperature Range Topr Storage Temperature Range Tstg RATINGS 11 7 1.37 -20 to +75 -40 to +125 UNIT V V W ºC ºC ■ELECTRICAL CHARACTERSTICS (VCC = 10V, VDD = 5V, Ta = 25ºC, Vin = 300mVrms, f = 1kHz) PARAMETER ◆OVERALL Supply Voltage Supply Current Reference Voltage Threshold Voltage ◆INPUT AUTO BALANCE Capture Range Error Correction ◆ADAPTIVE MATRIX Output Level Accuracy Relative to Cch Matrix Rejection Relative Headroom Total Harmonic Distortion Signal to Noise Ratio SYMBOL TEST CONDITION VCC VDD ICC IDD VREF Vthh Vthl No Signal No Signal No Signal Digital Input: High Digital Input: Low CPR CER ρVol MR HR-AM THD-AM SN-AM L,R,S’ch Output L,R,S’ch Output VCC =9V, THD=1% L,R,C,S’ch Output at 4ch Mode L,R,ch Output at 2ch Mode Rg=0, wt:CCIR/ARM, 4ch L,R,ch Output, at 2ch Mode ◆NOISE SEQUENCER Output Noise Level Vno ρVno L,R,S’ch Output Output Noise Level Accuracy relative to Cch ◆MODIFIED B-TYPE NOISE REDUCTION Voltage Gain GV-NR vin=0dBd, f=100Hz Decode Response 1 DEC1 vin=0dBd, f=1kHz 2 DEC2 vin=-15dBd, f=1.4kHz 3 DEC3 vin=-20dBd, f=1.4kHz 4 DEC4 vin=-40dBd, f=5kHz Total Harmonic Distortion THD-NR vin=0dBd, f=1kHz Headroom HRNR VCC=9V, THD=1% Signal to Noise Ratio SNNR Rg=0, weightted:CCIR/ARM MIN. TYP. MAX. UNIT 8 4.5 9 5 10 5.5 V 3.5 0.7 VDD 0.0 25 25 4.0 - 4.5 VDD 0.3 VDD - ±5 ±4 - -0.5 0 0.5 dB 25 15 75 93 40 17 0.05 0.002 80 100 0.2 0.05 - dB dB % % dB dB -15.0 -0.5 -12.5 0.0 -10.0 0.5 dB dB -1.6 -3.0 -4.9 -6.8 15 73 9.2 -0.1 -1.5 -3.4 -5.3 0.07 17 78 1.4 0.0 -1.9 -3.8 0.3 - dB dB dB dB dB % dB dB mA V V -3- NJW1103A ■ELECTRICAL CHARACTERSTICS (VCC = 10V, VDD = 5V, Ta = 25ºC, Vin = 300mVrms, f = 1kHz) PARAMETER ◆OTHER SURROUND Total Harmonic Distortion SYMBOL THD-OS Headroom HR-OS Signal to Noise Ratio SN-OS ◆Cch, Sch TRIMMER Full Scale Trimmer Step FS NL TEST CONDITION vin=0dBd, f=1kHz L+R,L-R Output VCC=9V, THD=1% L+R,L-R Output Rg=0, weighted:CCIR/ARM L+R,L-R Output Digital Input = -31dB Digital Input = -1, -2, -4, -8, -16dB MIN. TYP. MAX. UNIT - 0.05 0.2 dB 15 17 - dB 85 90 - dB -25 -0.6 -31 1.0 -37 1.4 dB dB 12.4 17.0 25.6 38.0 46.2 137.5 186.6 -3.0 0.7 - 15.4 20.0 28.6 41.0 49.2 147.5 196.6 0.0 0.3 0.3 0.5 0.6 0.7 1.5 2.0 1.0 -92 -92 -92 -90 -90 -82 -77 18.4 23.0 31.6 44.0 52.2 157.5 206.6 3.0 0.6 0.6 1.0 1.2 1.4 3.0 4.0 -80 -80 -80 -75 -75 -67 -62 ms ms ms ms ms ms ms dB % % % % % % % Vrms dBV dBV dBV dBV dBV dBV dBV 0 0 3 -70 6 -60 dB dB ◆DIGITAL TIME DELAY Delay Time Total Gain Total Harmonic Distortion Maximum Output Voltage Output Noise Voltage ◆ DELAY VOLUME Total Gain Maximum Attenuation Td Gv THD Vomax No GV ATTmax 30kHz LPF Td=15.4ms Td=20.0ms Td=28.6ms Td=41.0ms Td=49.2ms Td=147.5ms Td=196.6ms 30kHz LPF,THD=10% Rg=620Ω Td=15.4ms Td=20.0ms vin=0Vrms Td=28.6ms JIS-A Td=41.0ms Td=49.2ms Td=147.5ms Td=196.6ms Vol. = Max Delay Off Mode, Vol=Min, JIS-A [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. -4-