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NJW1138 Dataheets PDF



Part Number NJW1138
Manufacturers New Japan Radio
Logo New Japan Radio
Description AUDIO PROCESSOR
Datasheet NJW1138 DatasheetNJW1138 Datasheet (PDF)

NJW1138 P R E L I M I N A LY AUDIO PROCESSOR www.datasheet4u.com s GENERAL DESCRIPTION The NJW1138 is an audio processor. It includes all of functions processing audio signal for TV, such as tone control, balance, volume, mute, NJRC original surround, and AGC functions. The NJRC original surround system reproduces natural surround sound and clear vocal orientation. 2 All of internal status and variables are controlled by I C BUS interface. s PACKAGE OUTLINE NJW1138L NJW1138M s FEATURES q O.

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NJW1138 P R E L I M I N A LY AUDIO PROCESSOR www.datasheet4u.com s GENERAL DESCRIPTION The NJW1138 is an audio processor. It includes all of functions processing audio signal for TV, such as tone control, balance, volume, mute, NJRC original surround, and AGC functions. The NJRC original surround system reproduces natural surround sound and clear vocal orientation. 2 All of internal status and variables are controlled by I C BUS interface. s PACKAGE OUTLINE NJW1138L NJW1138M s FEATURES q Operating Voltage 8 to 13V 2 q I C BUS Interface q AGC Circuit (It reduces volume difference among input sources.) q eala(NJRC Original Surround) q Simulated Surround q Bi-CMOS Technology q Package Outline SDIP30, SDMP30 s BLOCK DIAGRAM VOL1 TONE VOL2 AGC eala & Sim ulated Surround I2C Bus Interface VOL1 TONE VOL2 Bias - 1 –F NJW1138 s PIN FUNCTION www.datasheet4u.com 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 INa NC NC OUT1a IN2a TONE-Ha TONE-La OUT2a AGC SS-FIL CVB CVA SDA SCL GND INb NC NC OUT1b IN2b TONE-Hb TONE-Lb OUT2b SR-FIL VREF CTH CTL AUX0 AUX1 Vcc 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Symbol IN1a NC NC OUT1a IN2a TONE-Ha TONE-La OUT2a AGC SS-FIL CVB CVA SDA SCL GND Ach Input Non Connect Non Connect Function No 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Symbol Vcc AUX1 AUX0 CTL CTH VREF SR-FIL OUT2b TONE-Lb TONE-Hb IN2b OUT1b NC NC IN1b Power Supply Pin Auxiliary Output1 Auxiliary Output0 Function Ach Output for the Other Accessories Ach Input From the Other Accessories Ach Treble Filter Ach Bass Filter Ach Output AGC Filter Simulated Stereo Filter DAC Output for Bch Volume & Balance DAC Output for Ach Volume & Balance SDA Data Input (I2C BUS) SCL Data Input (I2C BUS) GND DAC Output for Tone Low Frequency DAC Output for Tone High Frequency Reference Voltage NJRC Original Surround Filter Bch Output Bch Bass Filter Bch Treble Filter Bch Input from the Other Accessories Bch Output for the Other Accessories Non Connect Non Connect Bch Input -2- NJW1138 s ABSOLUTE MAXIMUM RATING (Ta=25°C) PARAMETER www.datasheet4u.com SYMBOL V + RATING 14 700 -20 to +75 -40 to +125 UNIT V mW °C °C Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range PD Topr Tstg s ELECTRICAL CHARACTERISTICS ( Ta=25°C, V+=9V, Rg=600Ω, RL=47kΩ, Vin=100mVrms/1kHz unless otherwise specified) PARAMETER Operating Voltage Supply Current Reference Voltage Maximum Input Voltage Maximum Output Voltage Channel Balance Balance Boost A Balance Cut A Balance Boost B Balance Cut B Total Harmonic Distortion Maximum Gain Minimum Gain Channel Separation Output Noise 1 Output Noise 2 SYMBOL V + TEST CONDITION MIN. 8.0 TYP. 9.0 10 4.5 3.0 2.5 0.0 0.0 0.0 0.0 -90 (31.6) -106 (5.0) - MAX. 13.0 25 5.0 1.5 2.0 -70 2.0 -70 0.5 2.0 -70 -70 -85 (56.2) -96 (15.8) 5.0 UNIT V mA V Vrms Vrms dB dB dB dB dB % dB dB dB dBV (µVrms) dBV (µVrms) V ICC VREF VIM VOM GCB BABST BACUT BBBST BBCUT THD GVMAX GVMIN CS VNO1 VNO2 VAUX No Signal No Signal VOL=-20dB,THD=1% OUTPUT VOL=0dB,THD=1% VOL=0dB CHS=”0”,BAL=”11111” CHS=”1”,BAL=”11111” Vin = 1Vrms CHS=”1”,BAL=”11111” CHS=”0”,BAL=”11111” Vin = 1Vrms Vo=0.5Vrms BW=400Hz to 30kHz VOL= 0dB VOL= MUTE Vin = 2Vrms VOL = 0dB BW=400Hz to 30kHz VOL = MUTE BW = 400Hz to 30kHz Logic Output : High 4.0 2.8 -1.5 -2.0 -2.0 -2.0 4.5 0 AUX Output Voltage Logic Output : Low 0.3 BW : Band Width -3- NJW1138 ♦ TONE CONTROL PARAMETER High Frequency Boost www.datasheet4u.com SYMBOL HFBST HFFLT HFCUT LFBST LFFLT LFCUT TEST CONDITION BCT=”1”,TREB=”1111”, f=10kHz TRBE=”0000”,f=10kHz BCT=”0”,TRBE=”1111”, f=10kHz BCB=”1”,BASS=”1111”, f=100Hz BASS=”0000”,f=100Hz BCB=”0”,BASS=”1111”, f=100Hz MIN. 12.5 -2.0 -17.5 12.5 -2.0 -17.5 TYP. 15.0 0.0 -15.0 15.0 0.0 -15.0 MAX. 17.5 2.0 -12.5 17.5 2.0 -12.5 UNIT dB dB dB dB dB dB High Frequency Flat High Frequency Cut Low Frequency Boost Low Frequency Flat Low Frequency Cut ♦ SUB-TONE CONTROL PARAMETER High Frequency Boost High Frequency Cut Low Frequency Boost Low Frequency Cut SYMBOL SHFBST SHFCUT SLFBST SLFCUT TEST CONDITION BCST=”1”, SUB-TREB=”11”,f=10kHz BCST=”0”, SUB-TREB=”11”,f=10kHz BCSB=”1”, SUB-BASS=”11”,f=100Hz BCSB=”0”, SUB-BASS=”11”,f=100Hz MIN. 2.0 -4.0 2.0 -4.0 TYP. 3.0 -3.0 3.0 -3.0 MAX. 4.0 -2.0 4.0 -2.0 UNIT dB dB dB dB ♦ AGC CONTROL(AGC-ON) PARAMETER AGC Boost AGC Flat1 AGC Flat2 AGC Flat3 AGC Flat4 AGC Cut SYMBOL AGCBST AGCFLT1 AGCFLT2 AGCFLT3 AGCFLT4 AGCCUT TEST CONDITION Vin=50mVrms, f=1kHz Vin=150mVrms, f=1kHz Vin=300mVrms, f=1kHz Vin=400mVrms, f=1kHz Vin=540mVrms, f=1kHz Vin=2Vrms, f=1kHz MIN. 1.5 -2.5 -2.5 -2.5 -2.5 -14 TYP. 3.5 0.0 0.0 0.0 0.0 -10 MAX. 5.5 2.5 2.5 2.5 2.5 -6.0 UNIT dB dB dB dB dB dB ♦ SURROUND (SURROUND-ON) PARAMETER Surround Gain1 Surround Gain2 Surround Gain3 Surround Gain4 Simulated Surround Gain1 Simulated Surround Gain2 SYMBOL SRGAIN1 SRGAIN2 SRGAIN3 SRGAIN 4 SRSIM1 SRSIM2 TEST CONDITION Ain→Aout, f=100Hz SUR0=”0”, SUR=”1” Ain→Bout, f=100Hz SUR0=”0”, S.


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