NJW1107 PRELIMINARY Dolby Pro Logic Surround Decoder with Discrete 5.1ch Input ■ GENERAL DESCRIPTION The NJW1107 is a Dolby Pro Logic Surround Decoder with discrete 5.1ch input. It includes Dolby Pro Logic Surround decoder, 4 master volumes, 4 level trimmers and 6 switches. The 6 switches choose internal Dolby Pro Logic Surround Decoder or discrete 5.1ch inputs. The NJW1107 is most suitable for AV amplifier with discrete 5.1ch inputs for Dolby Digital. In addition to Dolby Pro Logic Surround function, the NJW1107 performs easily other surround function such as Hall, Live, Disco and others, and echo and microphone mixing functions for Karaoke. ■ PACKAGE OUTLINE NJW1107FC3 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. ■ FEATURES ● Operating Voltage: VCC=9V(Analog Block), VDD=5V(Digital Block) ● Digital Delay on chip ● Discrete 5.1ch Input for Dolby Digital ● Master Volume for Center, Surround and Subwoofer Channel: -79 to 0dB/1dB step (0dB = Dolby Level) ● Level Trimmer for Center, Surround and Subwoofer Channel: -31 to 0dB/1dB step (0dB = Dolby Level) ● Karaoke function (Echo, MIC mixing) ● Serial Data Interface (3-wire) DATA, REQ, SCK ● Bi-CMOS Technology ● Package Outline QFP80 ■ FUNCTION [Dolby Pro Logic Surround] ● Automatic input balance ● Noise sequencer ● Adaptive matrix ● Center mode control (Wide, Normal, Phantom, Off) ● Modified B-type noise reduction ● 7kHz low pass filter ● Dolby 3 stereo mode ● Digital time delay (15.4, 20.5, 25.6, 29.2ms) [Other Surround] ● Sound field control ● Front mixing control ● Digital time delay (15.4, 20.5, 25.6, 29.2 51.2ms) [Karaoke] ● Echo control ● MIC mixing ● Digital time delay (123, 184ms) ■ SYSTEM BLOCK DIAGRAM MICIN L Pro Logic LOUT R LTIN Digital Surround Rear Stereo C SL RTIN Echo ROUT Master Trimmer Vol SR COUT LIN RIN CIN SLIN SLOUT SROUT SRIN SWIN SWOUT MCU Interface Dolby Pro Logic DATA SCK Discr ete 5.1ch (ex. Dolby Digital) REQ normal SWIN ( 1 / 11 ) C NJW1107 ■ PIN CONNECTION 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 40 39 38 68 69 70 71 72 73 74 75 76 37 36 35 34 33 NJW1107 32 31 30 29 28 27 26 77 78 79 80 25 24 Pin No. 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 23 22 21 Pin Name ECHOOUT BNRIN DBC1 DBC2 DBC3 PSC3 PSC6 PSC2 PSC5 PSC1 PSC4 RLC5 RLC2 RLC1 RLC4 RLC7 RLC3 RLC8 RLC6 LBPF2 20 19 18 17 16 Pin No. 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 15 14 13 11 Pin Name DVDD DATA SCK REQ DVSS DSELOUT DIN LPF1IN1 LPF1IN2 LPF1OUT ADINTIN ADINTOUT ADCONT DACONT DAINTIN DAINTOUT LPF2IN1 LPF2IN2 LPF2OUT DVOLOUT 12 9 10 8 Pin No. 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 7 6 5 Pin Name LOUT ROUT CVOLOUT CVOLIN COUT SOUT PSLIN PSRIN SLVOLOUT SLVOLIN SLOUT SROUT SRVOLIN SRVOLOUT SWOUT SWVOLIN SWVOLOUT CMC AGND MICIN 4 3 2 1 Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Pin Name LBPF1 RBPF2 RBPF1 ABL ABR NGC3 NGC2 NGC1 AVCC VREF1 REF LIN RIN LTIN RTIN CIN SLIN SRIN SWIN VRSWIN ( 2 / 11 ) C NJW1107 ■ ABSOLUTE MAXIMUM RATING (Ta=25°° C) PARAMETER Supply Voltage Power Dissipation SYMBOL VCC VDD PD RATING 10.5 6.5 1.4* UNIT V W Operating Temperature Range Topr -20 to +75 °C Storage Temperature Range Tstg -40 to +125 °C *On board ■ ELECTRICAL CHARACTERISTICS (VCC=9V, VDD=5V, Ta=25°° C, 0dBd=300mVrms, f=1kHz) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT 8 9 10 V ◆ OVERALL Supply Voltage Range VCC VDD Supply Current 4.75 5 5.5 V ICC No Signal - 30 45 mA IDD No Signal - 15 25 mA Reference Voltage VREF No Signal - 4.5 - V Threshold Voltage Vthh Digital input high level 2.2 - VDD V Vthl Digital input low level 0 - 0.8 V ◆ INPUT AUTO BALANCE Capture Range CPR - 5 - dB Error Correction CER - 4 - dB -0.5 0 0.5 dB ◆ ADAPTIVE MATRIX Output Level ∆Vol L, R, LSch out Accuracy relative to Cch Matrix Rejection relative L, R, C, LSch out 25 40 - dB Headroom HR-AM THD=1% 15 17 - dB Total Harmonic Distortion THD-AM 4ch.mode, 30kHz LPF Signal to Noise Ratio MR SNAM - 0.05 0.2 % Rg=0, wt: CCIR/ARM, 4ch.mode 70 80 - dB L, R, C, LSch out -15 -12.5 -10 dB L, R, LSch out -0.5 0 0.5 dB ◆ NOISE SEQUENCER Output Noise Level Output Noise Level Vno ∆Vno Accuracy relative to Cch ◆ MODIFIED B-TYPE NOISE REDUCTION (0dBd=300mVrms, f=100Hz at LSch out) Voltage Gain GV-NR Vin=0dBd, f=100Hz 3.8 6.8 9.8 dB Decode Responce1 DEC1 Vin=0dBd, f=1kHz -1.6 -0.1 1.4 dB Decode Responce2 DEC2 Vin=-15dBd, f=1.4kHz -3.0 -1.5 0 dB DEC3 Vin=-40dBd, f=5kHz -6.8 -5.3 -3.8 dB - 0.07 0.3 % Decode Responce3 Total Harmonic Distortion THDNR Vin=0dBd, f=1kHz, 30kHz LPF Headroom HRNR THD=1% 15 17 - dB Signal to Noise Ratio SNNR Rg=0, wt CCIR/ARM 68 78 - dB ATTmax ATT=-∞, Vi=2Vrms - -95 -87 dB ◆ Master Volume Maximum attenuation Minimum attenuation ATTmin ATT=0, TRIM=0dB -3.0 0 3.0 dB Volume Step1 VOLS1 ATT=0 to -40dB, TRIM=0dB 0.5 1.0 1.5 dB Volume Step2 VOLS2 ATT=-40 to –79dB, TRIM=0dB 0.2 1.0 1.8 dB Signal to Noise Ratio SNVOL ATT=-∞, CCIR/ARM 85 95 - dB ( 3 / 11 ) C NJW1107 ■ ELECTRICAL CHARACTERISTICS (VCC=9V, VDD=5V, Ta=25°° C, 0dBd=300mVrms, f=1kHz) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT -31 -28 dB ◆ Trimmer Maximum attenuation TRIMmax TRIM=-31dB, VOLATT=0dB -34 Minimum attenuation TRIMmin TRIM=0dB, VOLATT=0dB -3.0 0 3.0 dB Trimmer Step TRIMS VOLATT=0dB 0.6 1.0 1.4 dB THDLN 30kHz LPF - 0.002 0.05 % Signal to Noise Ratio SNLN DIN-AUDIO 95 100 - dB Line Cross-talk CTLN 70 80 - dB Zi 11 22 44 kΩ Td=20.5ms 17.4 20.5 23.6 ms DIN-DVOLOUT, DDVOL=0dB -3.0 0 3.0 dB Td=20.5ms - 0.5 0.9 % Td=51.2ms - 1.2 2.2 % ◆ Line Total Harmonic Distortion Input Impedance ◆ DIGITAL TIME DELAY Delay Time Td Total Gain GvD Total Harmonic Distortion THDD 30kHz LPF Td=184ms Maximum Output Voltage Output Noise Voltage VomaxD NoD THD=10% LPFfc 3.0 5.6 % 1.0 - Vrms Vin=0Vrms Td=20.5ms - -92 -80 dBV JIS-A Td=51.2ms - -84 -70 dBV Td=184ms LPF Cut-off Frequency 0.7 Td=15.4 to 51.2ms, Gv=-3dB Td=123, 184ms, Gv=-3dB - -80 -65 dBV 6.0 7.0 8.0 kHz - 3.0 - kHz ◆ Feedback Volume Maximum attenuation FBATTmax ATT=-∞dB - -70 -60 dB Minimum attenuation FBATTmin ATT=-3dB -6.0 -3.0 0 dB Volume Step FBVOLS 1.5 3.0 4.5 dB ◆ Delay Volume Maximum attenuation DLATTmax ATT=-∞dB - -70 -60 dB Minimum attenuation DLATTmin ATT=-3dB -3.0 0 3.0 dB Volume Step DLVOLS 1.5 3.0 4.5 dB ( 4 / 11 ) C NJW1107 ■ APPLICATION CIRCUIT C34 C33 0.22u 0.22u MODIFIED B-TYPE NR DECODER 18 16 SWVOL OUT C15 10u C14 10u 12 11 13 SRVOL OUT C12 10u C10 10u 9 C9 10u SLVOL OUT C7 0.1u 5 C4 10u 3 4 TRIM C-SW L-SW VOL SERVO VCA AUTO BALANCE L+R L-R BPF 6 C8 0.1u SEL ECTER C3 10u ROUT 1 80 22k 22k LOUT C1 10u 10u 79 22k 10u 78 22k 10u 77 22k 10u 76 22k 10u 75 22k 22k 73 74 10u 10u L C72 LIN C73 RIN C74 LTIN C75 RTIN C76 CIN C77 SLIN C78 SRIN C79 SWIN C80 VRSWIN R67 100k C67 6800p 10u 71 R71 100k 22k IREF 70 C70 220u 72 VREF 69 67 66 C66 4.7u 65 0.01u CVOL OUT C2 10u 10u AV CC 68 AV CC +9V C69 100u 64 NOISE SEQUENCER 2 R C64 C65 0.01u C C68 47u R63 75k BPF C63 0.01u MCU 24 21 20 +/- PULL WAVE RECTIFIER VOL 56 57 58 C62 680p RA62 150k R62 47k 61 R61 75k 62 C61 0.01u 63 C60 680p RA60 150k R60 47k 60 59 0.1u VCA C17 10u 14 VOL S’ SL-SW SL 10 C R-SW C58 0.022u C59 R COMBINNING NETWORKS C57 0.022u C18 0.1u 8 L C R L SR PSEUDO SURROUND 0.1u CENT ER MODE CONTROL 15 SW-SW SW LOG DIFFERENCE AMPLIFIERS C56 MICIN C20 1u 7 L+R 2 L-R BNR-SW 51 53 54 0.1u +5V 17 SWBR-SW 55 C55 19 AGND SR-SW C54 0.047u DVDD DI-SW 0.1u C53 0.047u 23 MCU interface F.B. VOL 52 C52 25 26 28 29 10kbit SRAM TRIM 0.22u 30 C21 0.1u TRIM C51 DATA TRIM 48 49 0.22u 50 C50 CLK SCK DV DD DUAL-TIME CONSTANT AND THRESHOLD SWITCHES 4.7u DV SS LPF 22 43 44 45 46 C49 47 4.7u C26 1u REQ C45 0.68u C48 31 A/D LOGIC R45 330k 0.22u C29 1000p DO-SW C44 0.047u C47 32 D/A C43 5600p C46 0.22u 33 34 35 36 37 LPF C31 0.1u VOL C41 1u DELAY VOL 42 41 ECHO OUT C35 0.1u 38 C42 1u 39 40 C38 1000p C28 4700p 27 C37 4700p ( 5 / 11 ) C NJW1107 ■ CONTROL DATA FORMAT DA TA D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D 10 D 11 D 12 D 13 D 14 D 15 S CK R EQ D0 0 0 1 1 D1 D2 D3 D4 D5 D6 D7 0 - 1 - 0 0 Delay Volume Cch Volume 0 1 Feedback Volume SLch Volume Pro Logic Mode Mode Set 0 Delay Time 0 D8 D9 Center Mode D10 D11 AutoBalance D12 D13 D14 D15 0 1 Noise Sequencer Other Surround Mode 1 1 0 - - - SRch Volume 1 1 - - SWVOL Set SWch Volume 0 - Cch Trimmer SWch Trimmer 1 - SLch Trimmer SRch Trimmer Chip Address 0 1 Test Mode (user inhibit) “-“: Don’t care ( 6 / 11 ) C NJW1107 ■ DETAILED CONTROL DATA DESCRIPTION No Control Mode 1 Mode Set 2 3 4 Pro Logic Mode Center Mode Auto-Balance 5 Noise Sequencer 6 Delay Time 7 Other Surround Mode 8 Master Volume 9 10 11 SW Volume Set Delay Volume Feedback Volume 12 Trimmer Description Analog 5.1ch / Bypass / Pro Logic / Other Surround / Echo / Mute 4ch Pro Logic / 3ch Stereo Wide / Normal / Phantom / OFF ON / OFF ON / OFF Lch / Cch / Rch / Sch 15.4, 20.5, 25.6, 29.2, 51.2 ms (Short Delay) 123, 184 ms (Long Delay) L/R Output : Pro Logic / Other Surround Mixing Polarity: Invert / Non-Invert Delay Input : S’ / L-R / (L+R)/2 BNR : ON / OFF Pseudo Stereo : ON / OFF C, SL, SR, SW ch Master Volume 0 to –79dB / 1dB step & -∞ Through / Bypass 0 to -18dB / 3dB step & -∞ -3 to –21dB / 3dB step & -∞ C, SL, SR, SW ch Trimmer 0 to –31dB / 1dB step & -∞ 1. 1st byte D0 0 D1 D2 0 0 1-1. Mode Set D4 D5 0 0 0 0 0 1 0 1 1 0 1 0 D3 D4 D6 D7 Pro Logic Mode Mode Set - D6 0 1 0 1 0 1 D5 D8 D9 Center Mode D10 AutoBalance D11 D12 D13 Noise Sequencer D14 D15 0 1 Mode Set Analog 5.1ch Bypass Dolby Pro Logic Surround Other Surround Echo Mute 1-2. Pro Logic Mode D7 Pro Logic Mode 0 4ch Pro Logic 1 3ch Stereo 1-3. Center Mode D8 D9 0 0 0 1 1 0 1 1 Center Mode Wide Normal Phantom OFF ( 7 / 11 ) C NJW1107 1-4. Auto-Balance D10 0 OFF 1 ON Auto-Balance 1-5. Noise Sequencer D11 D12 D13 0 1 0 0 1 0 1 1 1 0 1 1 1 Noise Sequencer OFF ON ON ON ON Lcn Rch Cch Sch 2. 2nd byte D0 D1 D2 D3 D4 0 0 1 - 0 2-1. Delay Time D5 D6 0 0 0 0 0 1 0 1 1 0 1 0 1 1 D7 0 1 0 1 0 1 0 D5 D6 D7 Delay Time D8 D9 D10 D11 D12 Other Surround Mode D13 D14 D15 0 1 Delay Time 15.4ms, fs=500kHz, LPF:7kHz 20.5ms, fs=500kHz, LPF:7kHz 25.6ms, fs=400kHz, LPF:7kHz 29.2ms, fs=333kHz, LPF:7kHz 51.2ms, fs=200kHz, LPF:7kHz 123ms, fs=83.3kHz, LPF:3kHz 184ms, fs=55.6kHz, LPF:3kHz 2-2. Other Surround Mode D8 L/R Output 0 Pro Logic 1 Other Surround D9 0 1 Mixing Polarity Invert Non-Invert D10 0 1 1 D11 0 1 D12 0 1 OFF ON D13 0 1 Delay Input S’ L-R (L+R)/2 BNR Pseudo Stereo OFF ON ( 8 / 11 ) C NJW1107 3. 3rd – 6th byte D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 0 Delay Volume Cch Volume 1 Feedback Volume SLch Volume D12 D13 D14 D15 0 1 0 0 1 -0 - - - SRch Volume -1 - - SWVOL Set SWch Volume 1 3-1. C, LS, RS, SW ch Master Volume D7 D8 D9 D10 D11 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Volume Level 0dB -2dB -4dB -6dB -8dB -10dB -12dB -14dB -16dB -18dB -20dB -22dB -24dB -26dB -28dB -30dB -32dB -34dB -36dB -38dB -40dB -42dB -44dB -48dB -52dB -56dB -60dB -64dB -68dB -72dB -76dB -∞ D12 D13 0 1 0 1 0 0 1 1 Volume Level 0dB -1dB -2dB -3dB 3-2. SW-VOL set D6 SW-VOL Set 0 Bypass Volume 1 Through Volume ( 9 / 11 ) C NJW1107 3-3. Delay Volume D4 D5 0 0 0 0 0 1 0 1 1 0 1 0 1 1 1 1 D6 0 1 0 1 0 1 0 1 3-4. Feedback Volume D4 D5 D6 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1 Delay Volume 0dB -3dB -6dB -9dB -12dB -15dB -18dB -∞ Feedback Volume -3dB -6dB -9dB -12dB -15dB -18dB -21dB -∞ 4. 7th – 8th byte D0 D1 1 0 D2 D3 D4 0 - Cch Trimmer SWch Trimmer 1 - SLch Trimmer SRch Trimmer 4-1. C, LS, RS, SW ch Trimmer D4 D5 D6 D7 /D9 /D10 /D11 /D12 0 0 0 0 1 0 0 0 0 1 0 0 1 1 0 0 0 0 1 0 1 0 1 0 0 1 1 0 1 1 1 0 0 0 0 1 1 0 0 1 0 1 0 1 1 1 0 1 0 0 1 1 1 0 1 1 0 1 1 1 1 1 1 1 D5 D8 /D13 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 D6 D7 Trimmer Level 0dB -1dB -2dB -3dB -4dB -5dB -6dB -7dB -8dB -9dB -10dB -11dB -12dB -13dB -14dB -15dB D8 D4 /D9 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 D9 D10 D5 /D10 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 D11 D6 /D11 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 D12 D7 /D12 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 D13 D8 /D13 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D14 D15 0 1 Trimmer Level -16dB -17dB -18dB -19dB -20dB -21dB -22dB -23dB -24dB -25dB -26dB -27dB -28dB -29dB -30dB -31dB When total attenuation (Volume level + Trimmer level) is less than -87dB, maximum attenuation level is held at -87dB. ( 10 / 11 ) C NJW1107 ■ DATA TIMING t1,t2 2.2V VDD =5V DATA 0.8V t6 t7 t1 t4 t2 2.2V SCK 0.8V t10 t5 t3 t8 t9 2.2V REQ PARAMETER Signal rise time Signal fall time SCK clock width SCK “H” pulse width SCK “L” pulse width DATA setup time DATA hold time REQ rise hold time REQ “H” pulse width SCK setup time SYMBOL 0.8V t1 t2 TEST CONDITION MIN. TYP. MAX. - - 0.5 0.5 2 0.8 0.8 0.8 0.8 1.6 0.8 1.6 - - t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 UNIT µs ■ NOTICE The NJW1107 includes Auto-Reset circuit. The NJW1107 requires both analog power supply (AVCC) and digital power supply (DVDD). Internal digital circuits are initialized by AVCC. The internal reset signal is released after treset period (0.7sec. < treset < 1.3sec.). • Power-on Sequence 1. Turn the AVCC on first. 2. Provide the DVDD within 0.7 seconds after the AVCC turns on. 3. Keep the voltage of DVDD below the voltage of AVCC always. 4. Wait for 1.3 seconds and over after the AVCC turns on. 5. Transmit the control data from MCU. AVCC (AVCC>DVDD) DVDD Internal reset signal automatic reset cancel treset ( 11 / 11 ) C MEMO [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.