njw1181 New Japan Radio Co.,Ltd, njw1181 Datasheet
njw1181
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njw1181 Summary of contents
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... AUDIO PROCESSOR with BBE & Dynamic Bass Boost GENERAL DESCRIPTION The NJW1181 audio processor with BBE Sound Enhancement and Dynamic Bass Boost. The NJW1181 contains all necessary functions to process TV audio signal such as volume control, tone control, balance, mute and AGC function. ...
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... NJW1181 PIN FUNCTION (QFP48-P1) No Symbol 1 BBELa Ach BBE Filter (Lo Contour Connect 3 HBSTa Ach High Frequency Compensation Filter 4 BB3 Filter for Bass Boost 3 5 BB4 Filter for Bass Boost FIXOUT Fixed Gain Bass Boost Output 7 BB AGCINT AGC Smoothing Filter for Bass Boost ...
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... G VOL=0dB VMAX G VOL=MUTE, Vin=2Vrms VMIN CS Vin=1Vrms, A-weighted VOL = 0dB V NO1 A-weighted VOL=MUTE V NO2 A-weighted Logic Output: High, R =10k Pull Down L V AUX Logic Output: Low, R =10k pull Up L NJW1181 RATING 15 1500(note) -20 to +75 -40 to +125 =47k , Vin=100mVrms/1kHz, L MIN. TYP. MAX. - 7.5 9.0 13 4.0 4.5 5.0 2 ...
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... NJW1181 TONE CONTROL PARAMETER High Frequency Boost High Frequency Flat High Frequency Cut Low Frequency Boost Low Frequency Flat Low Frequency Cut AGC CONTROL (AGC=ON) PARAMETER AGC Boost AGC Flat1 AGC Flat2 AGC Flat3 AGC Flat4 AGC Cut BBE (BBE=ON) PARAMETER ...
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... PARAMETER SYMBOL ADDIN2 Gain ADDIN2 Mute ADD2 TEST CONDITION ADD1 ADDIN1=”111” GV ADDIN1=”000” MUTE ADDIN1=”111”, f=10kHz HBST TEST CONDITION ADD2 ADDIN2=”11111” GV ADDIN2=”00000” MUTE NJW1181 MIN. TYP. MAX. UNIT - MIN. TYP. ...
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... NJW1181 2 !TIMING ON THE I C BUS (SDA,SCL) SDA SCL t HD:STA t t LOW HD:DAT S !CHARACTERISTICS OF I/O STAGES FOR BUS Load Conditions STANDARD MODE : FAST MODE : PARAMETER Low Level Input Voltage High Level Input Voltage Low level output voltage (3mA at SDA pin) Input current each I/O pin with an input voltage between 0 ...
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... Please hold the Data Hold Time (t HD:DAT The SDA block in the NJW1181 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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... NJW1181 ■ TERMINAL DESCRIPTION No. SYMBOL FUNCTION 1 BBELa Ach BBE Filter (Lo Contour) 38 BBELb Bch BBE Filter (Lo Contour) 39 BBEHb Bch BBE Filter (Process) 48 BBEHa Ach BBE Filter (Process) 3 HBSTa Ach High Frequency Compensation Filter 36 HBSTb Bch High Frequency Compensation Filter 5 BB3 Filter for Bass Boost 3 ...
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... Bass Boost 8 OUT1a Ach Output 1 9 OUT2a Ach Output 2 30 OUT2b Bch Output 2 31 OUT1b Bch Output 1 10 ADDIN1 Mixing Input 1 29 ADDIN2 Mixing Input2 EQUIVALENT CIRCUIT BB FIXOUT BB AGCOUT 100 2k BBAGCINT OUT1a OUT2a OUT2b 100 OUT1b 20k ADDIN1 ADDIN2 NJW1181 VOLTAGE V+/2 0.7V V+/2 V+/ ...
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... NJW1181 ■ TERMINAL DESCRIPTION No. SYMBOL FUNCTION 11 CSR Pop Noise Reduction for Surround ON/OFF 12 CBB Pop Noise Reduction for Bass Boost ON/OFF 13 AGCINT 14 CVa Pop Noise Reduction for Volume Control - 10 - EQUIVALENT CIRCUIT CSR CBB AGC Filter 32k 32k 2k 400 400 AGCINT 8k CVa VOLTAGE 0 ...
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... Balance Control 16 CA1 Pop Noise Reduction for ADDIN1 Setting 17 SDA SDA Data Input (I 18 SCL SDA Clock Input (I 19 GND Ground 20 V+ Power Supply EQUIVALENT CIRCUIT SDA 2 C BUS) SCL BUS) NJW1181 VOLTAGE 8k VREF-0.7V CVb (BAL=Center) 16k VREF-0.7V CA1 (ADDIN1=0dB ...
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... NJW1181 ■ TERMINAL DESCRIPTION No. SYMBOL FUNCTION 21 AUX Auxiliary Output 22 VREF Reference Voltage 23 CO1 Pop Noise Reduction for Output SW1 ON/OFF 24 CO2 Pop Noise Reduction for Output SW2 ON/OFF 25 CBH Pop Noise Reduction for BBE ON/OFF - 12 - EQUIVALENT CIRCUIT VDD AUX 100 240k ...
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... Pop Noise reduction for Bass Control 32 BBSENSE AGC Boost Level Setting for Bass Boost 40 TONE-Lb Bch Bass Filter 47 TONE-La Bch Bass Filter EQUIVALENT CIRCUIT 16k CA2 24k CTH CTL ealaBass SENSE ToneLa ToneLb 12k 12k NJW1181 VOLTAGE VREF-0.7V (ADDIN2=0dB) VREF-0.7V (TONE=Flat) V+/2 V+/ ...
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... NJW1181 ■ TERMINAL DESCRIPTION No. SYMBOL FUNCTION Bch Treble Filter 41 TONE-Hb 46 TONE- Treble Filter 42 SURFIL2 Surround Filter 2 43 INb 44 INa 45 SURFIL1 Surround Filter EQUIVALENT CIRCUIT INa Bch Input INb Ach Input 16k ToneHa ToneHb 43.2k 22k SUR FIL2 100k VREF 8k SUR FIL1 ...
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... SUR TONE INa INb La Ha FIL1 FIL2 NJW1181 CA1 SDA SCL GND V+ AUX VREF 1µF 1µF SDA SCL V+ AUX NJW1181 4.7nF 100nF 3.3nF TONE BBEHb Hb Lb 33nF BBELb 30k 560p HBSTb 36 BB1 35 3.3k 34 BB2 5.8k 100n 33 BB AGCOUT 3k 4.7µ ...
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... INa INb 3.3nF 100nF 4.7nF 22nF 100nF 100nF TONE TONE SUR SUR INa INb La Ha FIL1 FIL2 NJW1181 CA1 SDA SCL GND V+ AUX 1µF 1µF 1µF SDA SCL V+ AUX Pin No. Symbol Pin No. ...
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... SUR1 SUR0 AGC1 ADDIN2 BIT NJW1181 MSB LSB Data A P 8bit 1bit 1bit LSB 1 R AGC Don’t Care OUT2 OUT1 BBE-High (Process) AGC0 SWOUT ADDIN1 ...
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... NJW1181 !INSTRUCTION CODE a) MASTER VOLUME SETTING Select Address D7 D6 00H The volume control for both Ach and Bch (0.33dB/step). The volume is consisted of volume1 and volume2 and the level is divided into half to each volume1 and volume2. b) BALANCE, AGC AND SURROUND SETTING Select ...
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... Bass Boost Effect Low 0 1 Bass Boost Effect Middle Bass Boost Effect High NJW1181 BBE (Process AGC0 SWOUT AUX Remarks Input Through Surround Effect High Surround Effect Low Surround Effect High Surround Effect Low ...
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... NJW1181 g) ADDIN1 AND ADDIN2 OUTPUT SETTING Select Address D7 D6 06H ADDIN1 : ADDIN1 Level Setting “000”= The ADDIN1 terminal is not available (MUTE), High Frequency Boost ON 0dB to -24dB (4dB/step), High Frequency Boost OFF ADDIN2 : ADDIN2 Level Setting “00000”= The ADDIN2 terminal is not available (MUTE) ...
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... NJW1181 ...
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... NJW1181 ■ MASTER VOLUME SETTING (Cont'd) Gain (dB) HEX -64 3F ...
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... NJW1181 ...
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... NJW1181 ■ TONE CONTROL BASS SETTINGS (Select Address: 02H) Bass Cut or Boost Cut Boost Cut Gain Boost Gain (dB) (dB) -15 15 -14 14 -13 13 -12 12 - BCB BASS ...
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... BCT TREB NJW1181 ...
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... NJW1181 ■ BBE-LOW (Lo Contour) / BBE-HIGH (Process) GAIN SETTING (Select Address: 04H) Boost Gain D7 (dB ■ ADDIN1 GAIN SETTING (Select Address: 06H) Gain (dB ...
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... NJW1181 - 27 - ...
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... NJW1181 ■ TYPICAL CHARACTERISTICS Supply Voltage vs Supply Current Ta= Supply Voltage [ V ] Reference Voltage vs Supply Voltage Ta= Supply Voltage [ V ] Gain vs VOLUME Control + V =9V Vin=1V f=1kHz 0 -20 - -60 o -20 C -80 -100 0 50 100 VOLUME Control [ deg ] ...
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... Temperature [ -20dB -10dB 0dB 0.01 1 -20 -40 Vol=0dB -60 -80 MUTE -100 -120 100 150 NJW1181 THD+N vs Input Voltage + V =9V f=1kHz BW=400-30kHz Vol=-20dB - 0.1 0.001 0.01 0.1 Input Voltage [ V ] THD+N vs Output Voltage + V =9V f=1kHz BW=400-30kHz Vol=0dB 10 o ...
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... NJW1181 ■ TYPICAL CHARACTERISTICS AGC Characteristics + V =9V f=1kHz Ta=25 1 0.1 0.01 0.001 0.001 0.01 Input Voltage [ V ] Gain vs Frequency (TONE =9V Vin=100mV Ta= -10 -15 -20 100 Frequency [ Hz ] Gain vs Frequency (BBE =9V Vin=100mV BBE:5dB-steps Ta= 100 Frequency [ AGC=500mV AGC=375mV AGC=250mV AGC=125mV AGC=OFF ...
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... -50 100 1000 Frequency [ Ain-Bout (effect2) Ain-Bout (effect1 Ach 4 10 NJW1181 Gain vs Frequency (eala1 =9V Vin=100mV eala=effect2 - Ain-Aout (effect2 Ain-Bout (effect2 -10 -15 -20 ...
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... NJW1181 ■ TYPICAL CHARACTERISTICS Gain vs Frequency (BB-AGCOUT, LPF =9V Vin=A+Bch BassBoost=High 2.1chMode Ta=25 15 Vin=-40dBV 10 Vin=-30dBV Vin=-20dBV Vin=-10dBV 100 Frequency [ Hz ] Gain vs Frequency (BB-AGCOUT, BPF =9V Vin=A+Bch BassBoost=High 2.1chMode Ta= Vin=-40dBV 10 Vin=-30dBV Vin=-20dBV 5 Vin=-10dBV ...
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... Vin=-20dBV ADDIN1="111" -10 100 1000 Frequency [ Hz ] -20 -40 -60 -80 -100 -20 C FLAT 4 10 NJW1181 Gain vs ADD2 Control + V =9V ADDin2=1V f=1kHz - ADD2 Control [ deg ] ...
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... NJW1181 ■ NOTE The NJW1181 is manufactured by New Japan Radio Co., Ltd. under license from BBE Sound Inc. BBE is a registered trademark of BBE Sound Inc. A license from BBE Sound Inc. must be required before the NJW1181 can be purchased from New Japan Radio Co., Ltd. BBE Sound, Inc. ...