njw1149a New Japan Radio Co.,Ltd, njw1149a Datasheet
njw1149a
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njw1149a Summary of contents
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... Audio Processor with Sound Enhancement and TruSurround 5.1ch Virtualizer GENERAL DESCRIPTION The NJW1149A is an audio processor with BBE sound enhancement and SRS Labs' TruSurround 5.1 channel virtualizer. It includes all of functions processing audio signal for TV, such as volume, balance, mute, tone control, eala NJRC surround and simulated stereo functions. All of ...
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... NJW1149A PIN FUNCTION No. SYMBOL TruSurround Filter Capacitor 12 1 TS12 2 TS13 TruSurround Filter Capacitor 13 3 TS14 TruSurround Filter Capacitor 14 SPACE Volume1 4 SPACE1 SPACE Volume2 5 SPACE2 6 CENTER CENTER Volume 7 VREFO Reference Voltage Output Capacitor eala Filter Capacitor 8 ealaFil Ach BBE High-Pass Filter Capacitor ...
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... BW=400Hz to 30kHz VOL = Mute V NO2 BW = 400Hz to 30kHz + =9V SYMBOL TEST CONDITION G TREB=+15dB, f=10kHz HFBST G TREB=0dB,f=10kHz HFFLT G TRBE=-15dB, f=10kHz HFCUT G BASS=+15dB, f=100Hz LFBST G BASS=0dB, f=100Hz LFFLT G BASS=-15dB, f=100Hz LFCUT NJW1149A RATING 12 1400 * -20 to +75 -40 to +125 MIN. TYP. MAX. 8.0 9.0 10 4.0 4.5 5.0 2.8 3.0 - 2.5 -1.5 0.0 1.5 -2.0 0.0 2.0 ...
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... NJW1149A AGC CHARACTERISTICS (Ta= MODE ; VOL=0dB, BAL=0dB, TS=By-Pass, AGC=ON, BBE=OFF, Tone=0dB, eala=By-Pass) PARAMETER AGC Boost AGC Flat 1 AGC Flat 2 AGC Flat 3 AGC Flat 4 AGC Cut BBE CHARACTERISTICS (Ta= MODE ; VOL=0dB, BAL=0dB, TS=By-Pass, AGC=OFF, Tone=0dB, eala=By-Pass) PARAMETER Low Boost Gain ...
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... Input current each I/O pin with an input voltage between 0.1V and 0.9V DD DDmax SU:DAT t SU:STA t HIGH BUS (SDA,SCL) Pull up resistance 4k (Connected to +5V), Load capacitance 200pF (Connected to GND) SYMBOL NJW1149A HD:STA SP t SU:STO Standard mode UNIT MIN. TYP. MAX. 0.0 - 1.5 V 3 0.4 V ...
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... HD:DAT Please hold the Data Hold Time (t The SDA block in the NJW1149A does not hold data. Add external data-delay-circuit of the SDA terminal, in case of not providing a hold time of at least 300nsec for the SDA in the master device. The time-consists of the data-delay-circuit of the SDA terminal are as follows. ...
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... Symbol Pin No. Symbol BBE1a 37 TONE-Lb BBE2a 38 TONE-Hb TONE-Ha 39 BBE2b TONE-La 40 BBE1b NJW1149A OUTb 33nF 2.2nF 100nF 4.7uF 1uF TONE TONE LFINb LFOUTb CBH OUTb -Hb -Lb CBL CTH CTL VREF ...
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... NJW1149A < Output Type > LPF LPF LPF LPF OUTa LFINa LFOUTa VOL2 Buffer Buffer VOL2 OUTb LFINb LFOUTb Fig 1. Bi-Amp < OUT, LFIN, LFOUT Low Pass Filter Setting > LPF cut off frequency and quality factor are adjusted by the external parts and given by the following functions ...
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... SW ch Input 55 SWIN C ch Input 56 CIN Rear-R ch Input 57 RRIN Rear-L ch Input 58 RLIN Front-R ch Input 59 FRIN Front-L ch Input 60 FLIN R ch Input 61 RIN L ch Input 62 LIN EQUIVALENT CIRCUIT 20k PIN.3 (TS13) 16k 11k PIN.4 (TS14) 150k PIN.2 (TS12) 3. NJW1149A TERMINAL VOLTAGE V+/2 V+/2 V+/2 V+/2 – 9 – ...
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... NJW1149A PIN SYMBOL FUNCTION NO. 22 N.C. No Connection 23 N.C. No Connection 24 N.C. No Connection 25 N.C. No Connection 26 N.C. No Connection 27 N.C. No Connection 42 N.C. No Connection 49 N.C. No Connection 64 N.C. No Connection 16 OUTa Ach Output 18 LFOUTa Buffer Output for Ach Low Pass Filter 34 LFOUTb Buffer Output for Bch Low Pass Filter ...
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... CVA Ach Volume noise rejection Capacitor Bch Volume 18 CVB noise rejection Capacitor 2 19 SDA I C Data Input 2 20 SCL I C Clock Input EQUIVALENT CIRCUIT FB 12k 400 switching switching VREG 5V NJW1149A TERMINAL 12k 12k 400 12k VOLTAGE V+/2 - VREF-0.7V - – 11 – ...
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... NJW1149A PIN SYMBOL FUNCTION NO. 21 GND Ground 28 V+ Power Supply 29 VREF Reference Voltage Capacitor 30 CTL Tone Control Bass switching noise rejection Capacitor 31 CTH Tone Control Treble switching noise rejection Capacitor – 12 – EQUIVALENT CIRCUIT - - 200k 200k 36k TERMINAL VOLTAGE - V+ V+/2 VREF-0.7V ...
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... TruSurround Filter Capacitor 23 53 TS22 TruSurround Filter Capacitor 22 54 TS21 TruSurround Filter Capacitor 21 EQUIVALENT CIRCUIT 36k 32k (CSR) 40k (CTS2) 36k 33k PIN.53 (TS22) 51k 75k PIN.54 (TS21) PIN.52 56k (TS23) 180k 4k 1.5k NJW1149A TERMINAL VOLTAGE VREF-0.7V 0.54V(CSR) 1.4V(CTS2) - V+/2 – 13 – ...
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... NJW1149A PIN SYMBOL FUNCTION NO. 63 TS11 TruSurround Filter Capacitor 11 – 14 – EQUIVALENT CIRCUIT FB 1k TERMINAL VOLTAGE V+/2 ...
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... BBEL BBEH TS MODE BIT NJW1149A LSB Data A 8bit 1bit 1bit LSB Don’t Care Don’t Care Don’t Care BBE Don’t Care AGC AGC LVL Don’t Care D2 D1 ...
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... NJW1149A CONTROL COMMAND TABLE a) Master Volume Select Address D7 D6 00H VOL : Master Volume Attenuation level : 0 to –80dB(0.33dB/step), MUTE The volume is consisted of VOL1 and VOL2 and the level is divided into half to each VOL1 and VOL2. ex) Volume setting is -2dB ; VOL1 and VOL2 is set -1dB each. ...
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... By-Pass, SRS 3D, TS2ch (Passive Matrix TruSurround), TS4ch (for Dolby Pro Logic), TS5.1ch (for Dolby Digital), Mix Down BIT BBEH BIT MODE SR2), (SIM), By-Pass large ( Simulated Stereo NJW1149A AGC AGC LVL Don’t Care – 17 – ...
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... NJW1149A Master Volume (Select Address: 00H) Gain(dB) HEX - - - - - - - - - - - -21 C0 ...
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... NJW1149A ...
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... NJW1149A Balance (Select Address: 01H) Channel Setting (CHS) Attenuated Bch Gain Attenuated Ach Gain Gain(dB -10 0 -11 0 -12 0 -13 0 -14 0 -15 1 -16 1 -17 1 -18 1 -19 1 -20 1 -21 1 -22 1 -23 1 -24 1 -25 ...
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... NJW1149A ...
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... NJW1149A BBE-LOW Gain Code (Select Address: 04H) Gain(dB BBE (Select Address: 04H) BBE BBE ON/OFF D2 OFF BBE-HIGH Gain Code (Select Address: 05H) Gain(dB ...
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... Effect Large 1 (SR2) 3D Effect Small 1 (SR1) TruSurround mode(Select Address: 06H) TruSurround MODE D5 By-Pass 0 SRS 3D 0 TS2ch 0 TS4ch 1 TS5.1ch 1 Mix Down eala MODE NJW1149A – 23 – ...
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... The TruSurround technology right incorporated in the NJW1149A are owned by SRS Labs, a U.S. Corporation and licensed to New Japan Radio Co., Ltd. Purchaser of NJW1149A must sign a license for use of the chip and display of the SRS Labs trademarks. Any products incorporating the NJW1149A must be sent to SRS Labs for review. TruSurround is protected under U.S. and foreign patents issued and/or pending ...