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Products Presentation

Products Presentation. Audio IC. 2005 Summer. July, 2005. STANDARD IC Div. Marketing Dept. SECTION 1 MASAHIKO INAGAKI. Audio IC － Electronic Volume Products - Strength of NJRC’s Electronic Volume - For AV Amplifier - For DVD recorder - For Mini Component - For Car Audio

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Products Presentation

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  1. Products Presentation Audio IC. 2005 Summer July, 2005 STANDARD IC Div. Marketing Dept. SECTION 1 MASAHIKO INAGAKI

  2. Audio IC－ Electronic Volume Products - Strength of NJRC’s Electronic Volume - For AV Amplifier - For DVD recorder - For Mini Component - For Car Audio - For General － Audio Amplifier Products - Headphone Amplifier with Electronic Volume - Boost Amplifier for Car Audio － Others - Band Pass Filters for Spectrum Analyzer - Audio Limiter

  3. Electronic Volume Products

  4. Strength of NJRC’s Electronic Volume - Feature - -Wide Line up- • Low noise -114dBV typ. • Simple 2 channel Volume to Multifunction 8 channel Volume • Line up for each application • Low distortion 0.0008% typ. (NJW1196) < Home Theater / AV Amplifier / Mini-Compo. > - NEWS - • Line up for 0.5dB step series < DVD/HDD Recorder > < Car Audio >

  5. Electronic Volumefor AV Amplifier-Resistor Ladder Type-

  6. 0.5dBstep 0.5dBstep 0.5dBstep 0.5dBstep 0.5dBstep 0.5dBstep 0.5dBstep Electronic VolumeIC( & Selector IC)Function Segmentation Map Ladder Type Electronic Volume & Selector IC for AV Amplifier For AV Amplifier For 2ch / Multi-ch Audio Function Tone & Sel. NJW1194 NJW119X NJW1197 NJW1153 NJW1157B Tone NJW11XX NJW1150/51 Sel. NJW11XX Vol. Only NJW11XX NJW11XX NJW1159 Sel. Only NJWXXXX Series 9in 3out Selector 8ch 2ch 4ch 6ch Channel

  7. Application Example 1 EVR ( AV Amp. ) NJW1153 / NJW119X 6ch EVR with Input Selector Volume Tone Control Buffer Amp. (Variable Gain) 7.1ch Dolby Digital Decoder 2ch input Sel. DVD 2ch Tuner 2ch 6ch CD 2ch 2ch MD 6ch 2ch AUX0 2ch AUX1 2ch Input ATT NJW1194 2ch EVR with Tone & Input Selector Rec Out DSP 2ch input Sel. Tone Control for the Others beside Front Channel Volume Tone Control 2ch 2ch  Selectable 4-Chip Address two-channel stereo to eight-channel Buffer Amp. (Variable Gain)

  8. Application Example 2 EVR ( AV Amp. ) NJW1157B / NJW1197 8ch EVR with Input Selector Room 1 Volume Tone Control Buffer Amp. (Variable Gain) 7.1ch Dolby Digital Decoder 2ch input Sel. DVD Ex). Living Room 2ch Tuner 2ch 8ch CD 2ch 2ch MD 8ch 2ch AUX0 2ch AUX1 2ch 2ch AUX2 Input ATT 2ch AUX3 NJW1194 2ch EVR with Tone & Input Selector Room 2 Rec Out DSP 2ch Ex). Bed Room Child’s Room 2ch input Sel. Tone Control for Room 2 (Sub. Room) Volume Tone Control 2ch  Selectable 4-Chip Address Room 2 to Room 5 Buffer Amp. (Variable Gain)

  9. U.D. RECA4R RECB1R RECA4L RECA1R RECA2R RECB1L RECA2L RECA3L LAIN RECA1L RECA3R RAIN CAIN LSAIN V+ RSAIN Supply Voltage LBAIN GND RBAIN V- SWAIN Multi-Channel Input A LATCH mCOM Interface DATA CLOCK Multi-channelSelector L1IN MUTE R1IN L2IN SW LOUT TONE Volume R2IN TSW L3IN SW R3IN TONE ROUT L4IN R4IN COUT L5IN R5IN L6IN LSOUT R6IN 2 Channel Input L7IN RSOUT R7IN L8IN R8IN LBOUT L9IN R9IN RBOUT L10IN BSW R10IN SSW L11IN SWOUT R11IN Volume Output Gain FL- FR- FL+ FR+ RBIN LBIN CBIN LSBIN LBBIN RBBIN RBBIN LSCIN RSCIN RBCIN LBCIN SWBIN FIL3_R FIL2_R FIL1_R FIL3_L FIL2_L FIL1_L Input Selector REC Out Selector Multi-Channel Input B P.6 NJW1197 8-Channel Electronic Volume with Input Selector  GENERAL DESCRIPTION The NJW1197 is a 8-Channel Electronic Volume with Input Selector. It includes tone control, Input/Output gain control, REC Output and Multi channel inputs. The NJW1197 is suitable for multi-channel audio system, such as AV amplifier, DVD receiver, and others. All of internal status and variables are controlled by 3-wired serial bus interface.  PACKAGE OUTLINE NJW1197FC2  BLOCK DIAGRAM  FEATURES  Operating Voltage 4.5 to  7.5V  3-wired Serial BUS Control  Input selector (2ch  11, 7.1ch  2)  REC Output (2ch  5) Independent Mute function  Input Gain Control 0/-3/-6/-9/-12dB  Output Gain Control Gain : 0/+12/+13/+14/+15/+16/+17/+18dB (L,R,C,LS,RS,LB,RBch) Gain : 0/+22/+23/+24/+25/+26/+27/+28dB (SWch) Independent Control: L,Rch / Cch / LS,RSch / LB,RBch /SWch  Volume 0 ~ -100dB/0.5dBstep, MUTE  Tone Control (Bass,Treble) for L,R-ch  Bi-CMOS Technology  Package Outline QFP100

  10. U.D. P.8 NJW1194 2-Channel Electronic Volume with Input Selector, Tone Control  GENERAL DESCRIPTION The NJW1194 is a 2-channel electronic volume with 4-in 1-out stereo audio selector and Tone Control. The NJW1194 performs low noise and low distortion characteristics with resistance ladder circuit. All of functions are controlled via three-wired serial bus. Selectable 4-Chip address is available for using four chips on same serial bus line. It’s suitable for two-channel stereo system and or multi-channel audio system.  PACKAGE OUTLINE NJW1194V  BLOCK DIAGRAM  FEATURES  Operating Voltage 4.5 to  7.5V 3-wired Serial BUS Control  Selectable 4-Chip Address Available for using four chips on same serial bus line  Low Output Noise -110dBV typ.  Low Distortion 0.001% typ. at Vin=2Vrms  4in 1out Stereo Signal Selector  Volume 0 to –100dB /0.5dBstep, MUTE  Volume Output Gain +18 to +6dB /2dBstep  Tone Control 0 to 10dB / 1dBstep  Channel Separation 100dB typ.  Bi-CMOS Technology  Package Outline SSOP32

  11. Electronic Volumefor DVD recorder-Resistor Ladder Type-

  12. HDD DVD CAM (Front VCR) Application Example NJW1196 ( DVD recorder. ) For Input Level Adjusting in DVD/HDD Recorder NJW1196 TV TV Tuner A/D Encoder BS Tuner BS CS /CATV Tuner CS / CATV VCR For double Tuner Low noise, Low Distortion  Selectable 2-Chip Address Vno=-114dBV typ. THD=0.0008% typ.

  13. U.D. P.10 NJW1196 2-Channel Electronic Volume with Input Selector  GENERAL DESCRIPTION The NJW1196 is a 2-channel electronic volume with 6-in 1-out stereo audio selector. The NJW1196 performs low noise and low distortion characteristics with resistance ladder circuit. It includes two reference voltage circuits for each channel. They realizes very high channel separation. All of functions are controlled via I2C Bus. And the Slave Address selector is available for using two chips on same serial bus line. It is suitable for input signal trimmer of audio equipments such as DVD/HDD recorder and VCR.  PACKAGE OUTLINE NJW1196V  BLOCK DIAGRAM  FEATURES  Operating Voltage 7.5 to 13V  I2C Bus Interface Slave Address select function  Low Output Noise -114dBV typ.  Low Distortion 0.0008% typ. at Vin=1Vrms  6in 1out Stereo Signal Selector  Volume +21 to 0dB /3dBstep 0 to –39.5dB /0.5dBstep, MUTE  Channel Separation 110dB typ.  Input Resistance 130kW typ.  Bi-CMOS Technology  Package Outline SSOP32

  14. Electronic Volumefor Mini-Component-Resistor Ladder Type-

  15. Application Example NJW1190 ( Mini-Compo. ) Audio Processor with multi-purpose Surround Sound 5 Input Selector Tuner, CD, Cassette, Aux1, Aux2 Resistor Ladder type Volume Low Distortion 0.005% typ. Low Noise –100dBV typ. Surround+ Bass Boost 10 effects ex. Hall, Disco, Church … Tone Control Bass, Middle, Treble

  16. 前面スピーカーから音が出ています。 The sound comes from speakers on the wall. NJW1190 多彩なサラウンドサウンドを提供します “NJW1190” reproduces a number of surround sounds. Classic Classic Mode Mute

  17. Electronic Volumefor Car Audio-Resistor Ladder Type-

  18. Tuner Tuner CD AUX Lch Rch SLch SRch Bass Treble I2C Interface 0, +6dB, +12 dB, +18dB 0, +6dB, +12 dB, +18dB Bias Bass Treble Application Example NJW1192 ( Car Audio ) Tone Control 3 stereo & 1 monaural in 1out Input Selector Vol1 : Mastering volume and Loudness ±14dB / 2dBstep Vol2 : Balance and fader volume Ex.) AM(monaural), FM, CD, AUX switches Line Output Boost Amplifier Line Output NJM2792 Boost Output Function for Car Audio Line Output Power Amplifier 4ch Electronic Volume with Loudness Suitable for Car Audio

  19. U.D. Bass Treble I2C Interface 0, +6dB, +12 dB, +18dB MONO 0, +6dB, +12 dB, +18dB Bias Bass Treble P.12 NJW1192 4-channel Electronic Volume with Input Selector  GENERAL DESCRIPTION NJW1192 is 4-channel electronic volume with input selector. It includes master volume, balance control, fader, Loudness, tone control, 3 stereo inputs and 1 monaural input selector and loudness function. NJW1192 performs low noise and low distortion characteristics with resistance ladder circuit. All of internal status and variables are controlled by I2C BUS interface.  PACKAGE OUTLINE NJW1192V  BLOCK DIAGRAM  FEATURES Operating Voltage 7.5 to 13V  I2C BUS Interface  Low Output Noise -103dBVtyp Low Distortion 0.005%typ 3ch Stereo & 1ch MonoInput Selector  Loudness and Tone control  Main Volume  Balance and Fader  Bi-CMOS Technology  Package Outline SSOP32

  20. Electronic Volumefor General-Voltage Control Amplifier Type-

  21. Application Example 1 NJW1184 ( General ) External EVR of system IC without VOL function Ex. ) KARAOKE system • Electronic Volume System by Volume function and Auxiliary port

  22. Application Example 2 NJW1184 ( General ) Eight channel volume • Selectable 2 Slave Address

  23. U.D. P.13 NJW1184 4-Channel Electronic Volume  GENERAL DESCRIPTION The NJW1184 is a four channel electronic volume. The NJW1184 performs click-noiseless characteristics with VCA circuit.. These functions are controlled by I2C Bus. And the Slave Address selector is available for using two chips on same serial bus line. It’s available for two-channel stereo and or multi-channel audio volume.  PACKAGE OUTLINE NJW1184V NJW1184D NJW1184M  BLOCK DIAGRAM  FEATURES  Operating Voltage 7.5to 13V  I2C Bus Interface  Slave Address Selector available for using two chips on same serial bus line  Volume (VCA type) 0 to –100dB/0.5dBstep, MUTE  2 Auxiliary Port  Bi-CMOS Technology  Package Outline SSOP20, DMP20, DIP20

  24. Audio AmplifierProducts

  25. Headphone Amplifierwith Electronic Volume

  26. Audio Processor Audio Processor NJM2777 / NJW1109 Application ex. NJW1149 Class-D Amp. DSP&D/A Mismatch in SPK and Hp-Amp Impedance. ex. NJW1149 Class-D Amp. DSP&D/A NJM2777 / NJW1109 Picture in Picture Headphone Amp. with EVR

  27. CAPa SDA SCL I2C DGND Interface CNTa CAPa VOL IN a OUTa Mute Mute VOL IN b OUTb VOL IN a OUTa Bias Vref VOL IN b OUTb CAPb V+ GND Bias Vref CNTb CAPb V+ GND Headphone Amplifier with EVR P.14 NJM2777 NJW1109 I2C-Bus Control DC Voltage Control Status : MP Status : MP Radio Cassette,CD(DVD)-R/W Slot, Mini Component, Audio Equip. C-TV,LCD-TV,DVD-Player, AV receiver, I2C-Audio Equip.  FEATURES  Power Supply Voltage +8 to +10V Low Operating Current 5.0mA typ.  EVR range +20 to -80dB  Output Power 100mW typ. @RL=100, V+=9V  PACKAGE OUTLINE NJW1109D NJW1109M NJW1109V

  28. Boost Amplifier for Car Audio

  29. Application Example NJM2792 (Car Audio) + High-voltage output realizes High S/N Performance V+=9V NJM2792 Vo=14Vpp NJW1192, etc Line Output V+=9V Boost Amplifier EVR for Car Line Output Wide Frequency Responce - 5Vrms typ. , at f=100kHz - Power Amplifier Comply with DVD Car Theater System.

  30. U.D. NJM2792 P.16 QUAD CAR AUDIO BOOST AMPLIFIER  PACKAGE OUTLINE NJM2792V  BLOCK DIAGRAM  GENERAL DESCRIPTION The NJM2792 is a quad boost amplifier designed for car audio system. It expands the frequency characteristics by high slew rate. It can swing 14V peak-to-peak output voltage at 9V. It consists of four channel non-inverting amplifier with the gain of 8dB. It is suitable for car audio system and other boost amplifier system.  FEATURES  Operating Voltage 6 to 12V  Operating Current 16mA typ.  Roll off High Frequency 100kHz typ. , at Gv=-1dB  Maximum Output Voltage 5Vrms typ. , at f=100kHz  Boost Output Function Vo=14Vpp, at V+=9V  Supply Voltage Rejection Ratio 50dB typ.  Low Total Harmonic Distortion 0.003% typ.  Low Noise Output Voltage 5Vrms typ.  Bipolar Technology  Package Outline SSOP20

  31. Others

  32. Audio Limiter

  33. Application Example NJM2761 Clipped output waveform Excessive input signal in conventional System without NJM2761 Apply the NJM2761 Optimized signal level without clipping

  34. P.17 NJM2761 Audio Limiter • PACKAGE OUTLINE NJM2761RB2  GENERAL DESCRIPTION The NJM2761 is the audio limiter for speaker protection. It includes input level detector and attenuator for volume control at excessive input signal. The limit level is adjustable by external resistor. It is suitable for audio equipments processing wide dynamic range signal or using small speakers with narrow dynamic range.  BLOCK DIAGRAM  FEATURES  Operating Voltage 2.7 to 13V  Limit Level 0.2 to 1Vrms  Output Noise -90dBV  Bipolar Technology  Package Outline TVSP10

  35. Band Pass Filtersfor Spectrum Analyzer

  36. Application Example NJM2760 Power Amp EVR mC A/D VFD/LCD Driver NJM2760

  37. P.18 NJM2760 Band Pass Filters for Spectrum Analyzer • PACKAGE OUTLINE NJM2760V •  BLOCK DIAGRAM  GENERAL DESCRIPTION The NJM2760 is a Band Pass Filters for Spectrum Analyzer. It includes 4-band BPF amplifier, 4-band detector and recording level indicator output. It works perfectly with 3.3V operated micro controller. It is suitable for level meter of audio components.  FEATURES  Operating Voltage 2.7 to 9V  4-BPF + Detector  Recording Level Indicator  Low Offset Voltage 5mV typ.  Adjustable Input Sensitivity  Bipolar Technology  Package Outline SSOP20

  38. Thank you very much! inagaki@njr.co.jp

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