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NJW1103A
PRELIMINARY
Surround processor with Dolby Pro Logic Surround Decoder
sDESCRIPTION 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. sPACKAGE 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
sFEATURES VCC=9V(Analog), VDD=5V(Digital) qOperating Voltage qDigital Delay on Chip qCch, Sch Channel Level Trimmer qDigital Noise Sequencer qKaraoke Function (Echo, Mic Mixing) qSerial Data Interface (DATA, REQ, SCK) qBi-CMOS Technology QFP80-C3 qPackage sFUNCTION 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 sBLOCK DIAGRAM
Other Surround * Sound field control * Front mixing control * Digital time delay Karaoke * Echo control * Mic mixing
BY -PASS Lout PRO LOGIC DECODER
Aut o Input Bal anc e
L
Lin Rin
Digital Noise Sequencer
Center Mode Control
Adaptive Matrix 7kHz LPF & Modified B NR
S
R TRIMMER
Rout
C
Cout
+/D/A LPF VOL
TRIMMER
DIGITAL DELAY L+R L-R MIC Dout
MCU INTERFACE LPF A/D 16k SRAM
Sout
ECHO FILTER SURROUND FILTER
REQSCK DATA
- 1 -A
NJW1103A
sPACKAGE OUTLINE (QFP80-C3)
0 - 10 22.8 20.0 64
0.3 0.2
41
40 65
14.00.2 80 25 3.05MAX
+0.05 -0.02
1
0.8
0.35
0.05
24 1.4
0.15
0.6
0.2
0.1 0.1
2.8
0.1
16.80.3
UNIT:mm
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Pin Name FILTER LOUT ROUT CT COUT ST SOUT CMC SMRO SMRI AGND MIC IN DVDD TEST CNT DATA SCK REQ LO1 LO2 LO3
Pin No. 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
Pin Name 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
Pin No. 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
Pin Name 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
Pin No. 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
Pin Name RLC4 RLC7 RLC3 RLC8 RLC6 LLI LBPF RLI RBPF LT RT LIN RIN HOLDC AVCC VREFA VREFG IREF REF OUT NSQ
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NJW1103A
sASOLUTE MAXIMUM RATINGS (Ta = 25C) 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 C C
sELECTRICAL CHARACTERSTICS (VCC = 10V, VDD = 5V, Ta = 25C, Vin = 300mVrms, f = 1kHz) PARAMETER xOVERALL Supply Voltage Supply Current Reference Voltage Threshold Voltage xINPUT AUTO BALANCE Capture Range Error Correction xADAPTIVE MATRIX Output Level Accuracy Relative to Cch Matrix Rejection Relative Headroom Total Harmonic Distortion Signal to Noise Ratio SYMBOL VCC VDD ICC IDD VREF Vthh Vthl CPR CER Vol 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 No Signal No Signal No Signal Digital Input: High Digital Input: Low TEST CONDITION MIN. 8 4.5 3.5 0.7 VDD 0.0 -0.5 25 15 75 93 -15.0 -0.5 TYP. 9 5 25 25 4.0 5 4 0 40 17 0.05 0.002 80 100 -12.5 0.0 MAX. 10 5.5 4.5 VDD 0.3 VDD 0.5 0.2 0.05 -10.0 0.5 dB dB dB % % dB dB dB dB UNIT
V mA V V
xNOISE SEQUENCER Output Noise Level Vno Vno L,R,S'ch Output Output Noise Level Accuracy relative to Cch xMODIFIED 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
-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
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NJW1103A
sELECTRICAL CHARACTERSTICS (VCC = 10V, VDD = 5V, Ta = 25C, Vin = 300mVrms, f = 1kHz) PARAMETER xOTHER SURROUND Total Harmonic Distortion Headroom Signal to Noise Ratio xCch, Sch TRIMMER Full Scale Trimmer Step xDIGITAL TIME DELAY Delay Time Td 12.4 17.0 25.6 38.0 46.2 137.5 186.6 -3.0 0.7 0 0 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 3 -70 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 6 -60 ms ms ms ms ms ms ms dB % % % % % % % Vrms dBV dBV dBV dBV dBV dBV dBV dB dB SYMBOL THD-OS HR-OS SN-OS 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. 15 85 TYP. 0.05 17 90 MAX. 0.2 UNIT dB dB dB
FS NL
-25 -0.6
-31 1.0
-37 1.4
dB dB
Total Gain Total Harmonic Distortion
Gv THD
Maximum Output Voltage Output Noise Voltage
Vomax No
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=620 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
30kHz LPF
x DELAY VOLUME Total Gain Maximum Attenuation
GV ATTmax
[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.
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