NJM2702M 3D SURROUND AUDIO PROCESSOR 3D FILTER

Transcription

1 NJM7 3D SUOUND AUDIO POCESSO GENEA DESCIPTION The NJM7 is a 3D surround audio processor regenerating the 3D surround sound with only two speakers. The NJM7 is suitable for audio applications, which are speaker system for mini components, CD radio cassette, multimedia speaker systems, TV and others. PACKAGE OUTINE NJM7D NJM7M FEATUES Operating Voltage (4.7 to 3V) Stereo mode Stable center image with natural sound field High quality Surround Free speaker interval Surround control Internal Mode Control Switch Bipolar Technology Package Outline DIP4, DMP4, SSOP NJM7V BOCK DIAGAM IN + + OUT 3D FITE IN - + OUT Bypass STEEO MODE --

2 NJM7 ABSOUTE MAXIMUM ATING (Ta=5 C) PAAMETE SYMBO ATINGS UNIT Supply Voltage V + 4 V Power Dissipation P D (DIP4) 5 (DMP4) 35 (SSOP) 5 Operating Temperature ange T opr -4 to +85 C Storage Temperature ange T stg -4 to +5 C mw OPEATING VOTAGE PAAMETE SYMBO TEST CONDITION MIN. TYP. MAX. UNIT Operating Voltage V EECTICA CHAACTEISTICS (=V,Ta=5 C unless otherwise specified) PAAMETE Operating Current SYMBO I CC No Signal INPUT TEST CONDITION OUTPUT MODE V MIN. TYP. MAX. UNIT Stereo MAX AC CHAACTEISTICS (=V,Ta=5 C, =-dbv(3mvrms), f=khz,=4.7kω, unless otherwise specified) PAAMETE Maximum Input Voltage SYMBO V IM f=khz T.H.D.=3% f=hz T.H.D.=3% INPUT TEST CONDITION OUTPUT MODE V - Stereo MAX ma MIN. TYP. MAX. UNIT 9.9 (3.) -3.8 (.).9 (3.9) -.8 (.8) - - dbv (Vrms) Output Noise V NO g=ω A-Weighted g=ω A-Weighted - - Stereo MAX - - (.5) - () - (5.) -94 () dbv (µvrms) Total Harmonic Distortion T.H.D f=khz f=khz Vin=-dBV Stereo MAX -..5 % Bypass Gain G VBYP f=khz db - -

3 NJM7 AC CHAACTEISTICS (=V,Ta=5 C, =-dbv(3mvrms), f=khz,=4.7kω, unless otherwise specified) PAAMETE Surround Gain SYMBO G VSU f=hz Vin=-dBV INPUT TEST CONDITION OUTPUT MODE V MIN. TYP. MAX. UNIT Stereo MAX f=hz Vin=-dBV Stereo MAX db f=hz Vin=-dBV Stereo MIN CONTO CHAACTEISTICS (=V,Ta=5 C unless otherwise specified) PAAMETE Mode Select Control Voltage SYMBO V MODE = High evel = ow evel INPUT TEST CONDITION MODE SWITCH MODE SW NOTES Input Through Stereo H Surround Mode (Stereo Input) OUTPUT MODE V MIN. TYP. MAX. UNIT V -3-

4 NJM7 TEMINA DESCIPTION PIN NO. SYMBO FUNCTION EQUIVAENT CICUIT VOTAGE DIP4 DMP4 SSOP FI Filter Input / 3.K NC Test pin 3 VO Surround V / 5K 5 3 VEFIN eference Voltage Input 5k / 5k - 4 -

5 NJM7 DIP4 DMP4 PIN NO. SSOP SYMBO FUNCTION EQUIVAENT CICUIT VOTAGE 4 Power Supply 7 5 GND GND V 9 SW Mode Control Switch V 7 5k 7 8 OUT OUT ch Output ch Output 5 5 / -5-

6 NJM7 DIP4 DMP4 PIN NO. SSOP SYMBO FUNCTION EQUIVAENT CICUIT VOTAGE IN IN ch Input ch Input 7 / 5k VEF - -

7 NJM7 APPICATION CICUIT FI VO GND C9 uf/5v C8 uf/5v C7 uf/5v C uf/5v C5 uf/5v ch Output K FI NC VO NC GND VEFIN IN IN OUT OUT SW C9 uf/5v C8 uf/5v C7 uf/5v C uf/5v C5 uf/5v K ch Input ch Input ch Output VEFIN IN IN OUT OUT NC SW NC ch Input ch Input ch Output ch Output C.47uF Min Max 5KB C3 C uf/5v uf/5v V C4 uf/v C.47uF Min Max 5K C3 uf/5v C uf/5v V C4 uf/v Surround V Surround V Parts No. Value Tolerance Parts No. Value Tolerance kω 5% C3 µf % C.47µF 5% C4 µf % C,C5,C,C7,C8,C9 µf % -7-

8 NJM7 TYPICA CHAACTEISTICS Supply Current vs Supply Voltage Supply Current vs Ambient Temperature 7 = to 8V rees =V STEEO 5.5 Supply Current [ma] STEEO Supply current [ma] Supply Voltage [V] Ambient Temperature [degrees] 5 Maximum Input Voltage vs Supply Voltage () Vin=ch Vout=ch f=khz =47Kohm g=5ohm rees 5 Maximum Input Voltage vs Supply Voltage (STEEO) Vin=ch Vout=ch f=hz =47Kohm g=5ohm rees Maximum Input Voltage [dbv] 5 Maximum Input Voltage [dbv] Supply Voltage [V] Output Noise vs Ambient Temperature Supply Voltage [V] Output Noise vs Ambient Temperature -9 =V Vin=GND Vout=ch -9 =V Vin=GND Vout=ch -95 STEEO -95 STEEO Output Noise [dbv] Output Noise [dbv] Ambient Temperature [degrees] Ambient Temperature [deg] - 8 -

9 NJM7 TYPICA CHAACTEISTICS Total Harmonic Distortion vs Input Voltage () =V f=hz =47Kohm g=5ohm BW= to 8KHz Total Harmonic Distortion vs Input Voltage () =V f=khz =47Kohm g=5ohm BW= to 8KHz THD+N [%]. Ta=-4deg THD+N [%]... Ta=-4deg Input Voltage [dbv] Total Harmonic Distortion vs Input Voltage (STEEO) =V f=hz =47Kohm g=5ohm BW= to 8KHz Input Voltage [dbv] Total Harmonic Distortion vs Input Voltage (STEEO) =V f=khz =47Kohm g=5ohm BW= to 8KHz THD+N [%]. Ta=-4deg THD+N [%]. Ta=-4deg Input Voltage [dbv] Input Voltage [dbv] 3 Voltage Gain vs Frequency esponse () =V Vin=-dBV ch Vout=ch =47Kohm g=5ohm 3 Voltage Gain vs Frequency esponse () =V Vin=-dBV ch Vout=ch =47Kohm g=5ohm Voltage Gain [db] - Ta=-4deg Voltage Gain [db] - Ta=-4deg Frequency [Hz] Frequency [Hz] -9-

10 NJM7 TYPICA CHAACTEISTICS 4 Voltage Gain vs Frequency esponse (STEEO) =V Vin=-dBV ch Vout=ch =47Kohm g=5ohm 5 Voltage Gain vs Frequency esponse (STEEO) =V Vin=-dBV ch Vout=ch =47Kohm g=5ohm Ta=-4deg Ta=-4deg. 5. Voltage Gain [db] 8 4 Input Voltage [db] Frequency [Hz] Voltage Gain vs SW Control Voltage Frequency [Hz] DC Offset Voltage vs Ambient Temperature 4 =V Vin=-dBV ch f=hz Vout=ch --> STEEO. =V Vout=ch Voltage Gain [db] 8 4. Ta=-4deg.. DC Offset Voltage [V].5 STEEO Control Voltage [V] DC Offset Voltage vs Ambient Temperature Ambient Temperature [degrees]. =V Vout=ch.5 STEEO DC Offset Voltage [V] [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. Ambient Temperature [degrees] - -