NJW Vrms Ground Referenced 6-Channel Line Amplifier PACKAGE OUTLINE
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- Erika Miles
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1 Vrms Ground Referenced -Channel Line Amplifier GENERAL DESCRIPTION The NJW is a -channel audio line amplifier for High Voltage Pre-out of Car AV system. It can swing Vrms(.V peak-to peak) singal at V opearating voltage because of including the charge pump circuit. Ground-referenced outputs eliminate output coupling capacitor. The pop noise suppression circuit reduces a pop noise at the power-on and power-off. FEATURES Operating Voltage + to +V Operating Current I DD =ma typ. at =V, R L =kω, No Signal Maximum Output Voltage.Vrms min. Low Distortion.% typ Low Output Noise -db typ. Output Coupling Capacitor-less External Synchronizing Divide-by- Circuit External Gain Select +db/+.db RF Immunity OpAmp tolerant to FR noise. (ex. mobile phone) Bi-CMOS Technology Package Outline SSOP PACKAGE OUTLINE NJWV BLOCK DIAGRAM IN OUT Tr IN OUT Tr IN OUT Tr IN OUT Tr IN OUT Tr IN OUT Tr Gain Select Charge Pump Detector Ver..E
2 PIN CONFIGURATION NJW No. Symbol Function No. Symbol Function IN Input No Connect IN Input FB V- Power Supply External Setting IN Input 9 CP Flying Capacitor Positive Terminal IN Input No Connect IN Input No Connect IN Input Ground MUTE MUTE / CN Flying Capacitor Negative Terminal GAIN Gain Select MUTE_TC Capacitor 9 V- Power Input A V+ Power Supply for Analog V- Power Output Ground RegCNT V- Power Control OUT Output No Connect OUT Output No Connect 9 OUT Output CLK External Clock Input OUT Output Reg V+ Power Supply for Regulator OUT Output No Connect OUT Output
3 ABSOLUTE MAXIMUM RATING (Ta= C) PARAMETER SYMBOL RATING UNIT Supply Voltage. V CLK Terminal Voltage V CLK -.~+ V Power Supply Control Voltage V RegCNT -.~+ V FB Terminal Voltager V FB ()+ V Maximum Input Voltage V IN +. V Power Dissipation P D 9 (Note) mw Operating Temperature Range Topr - ~ + C Storage Temperature Range Tstg - ~ + C (Note) EIA/JEDEC STANDARD Test board (.x.x.mm, layer, FR-) mounting RECOMMENDED OPERATING CONDITIONS (Ta= C unless otherwise specified) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Operating Voltage V External Clock Input Range f CLK - khz External Clock Duty Input Range DUTY - % (Note) The regulator for V- power supply operates by the half of f CLK. ELECTRICAL CHARACTERISTICS (Ta= C, =V, f=khz, Vin=dBV, R L=kΩ, GAIN=Low, MUTE=High, RegCNT=High unless otherwise specified) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Operating Current I DD No signal - ma Voltage Gain G V... db Voltage Gain G V GAIN=High... db Maximum Output Voltage V OMAX THD=% - - Vrms Level V MUTE MUTE=Low db Output Noise Voltage V NO Rg=Ω, A=Weighted - - (.9) Total Harmonic Distortion THD BW:Hz-kHz -. - % Channel Separation CS Rg=Ω - - db Internal Oscillating Frequency f OSC f CLK=No signal - - kxhz Output Offset Voltage V OS Rg=Ω - - mv - dbv (µv) CONTROL CHARACTERISTICS (Ta= C, =V, f=khz, Vin=dBV, R L=kΩ unless otherwise specified) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Terminal High H MUTE OFF. - V Terminal Low L MUTE ON -. V Gain Terminal High Gain H Gv=.dB. - V Gain Terminal Low Gain L Gv=dB -. V CLK Terminal High CLK H. -. V CLK Terminal Low CLK L -. V
4 TERMINAL DESCRIPTION Terminal SYMBOL FUTION EQUIVALENT CIRCUIT VOLTAGE IN IN IN IN IN IN INPUT INPUT INPUT INPUT INPUT INPUT A kω A pf A V A A MUTE GAIN MUTE/ Gain Select kω kω pf V Reg(V) kω RegCNT V- Power Control V Ω kω Reg(V) Reg(V) CLK External Clock Input V Ω MΩ Reg(V) FB V- Power Supply External Setting Ω kω pf -
5 TERMINAL DESCRIPTION Terminal SYMBOL FUTION EQUIVALENT CIRCUIT VOLTAGE Reg 9 CP Flying Capacitor Positive Terminal - CN Flying Capacitor Negative Terminal - A A A MUTE_TC Capacitor kω MΩ V 9 OUT OUT OUT OUT OUT OUT Output Output Output Output Output Output A A A Ω Ω Ω FB V
6 TEST CIRCUIT (I DD ) C=uF C=uF C=uF C=uF C=uF C=uF C=uF IN IN IN IN IN IN MUTE GAIN 9 kω kω Bias Gain Select db/db OUT OUT OUT OUT 9 OUT OUT A C=nF MUTE _TC CN C=uF + C9=uF A RegCNT R=kΩ Negative Voltage Regulator C=uF CLK CP 9 Reg C9=nF FB TEST CIRCUIT (Gv, V OMAX, THD, V MUTE ) C=uF C=uF C=uF C=uF C=uF C=uF IN IN IN IN IN IN MUTE GAIN 9 kω kω Bias Gain Select db/db OUT OUT OUT OUT 9 OUT OUT A C=nF MUTE _TC V + C9=uF C=uF CN C=uF RegCNT R=kΩ Negative Voltage Regulator C=uF CLK CP 9 Reg C9=nF FB
7 TEST CIRCUIT (V NO ) C=uF C=uF C=uF C=uF C=uF C=uF IN IN IN IN IN IN MUTE GAIN 9 kω kω Bias Gain Select db/db OUT OUT OUT OUT 9 OUT OUT A C=nF MUTE _TC V + C9=uF C=uF CN C=uF RegCNT R=kΩ Negative Voltage Regulator C=uF CLK CP 9 Reg C9=nF FB TEST CIRCUIT (CS) C=uF Rg=Ω C=uF Rg=Ω C=uF Rg=Ω C=uF Rg=Ω C=uF Rg=Ω C=uF Rg=Ω IN IN IN IN IN IN MUTE GAIN 9 kω kω Bias Gain Select db/db OUT OUT OUT OUT 9 OUT OUT A C=nF MUTE _TC V +C9=uF C=uF CN C=uF RegCNT R=kΩ Negative Voltage Regulator C=uF CLK CP 9 Reg C9=nF FB
8 APPLICATION CIRCUIT C=uF IN C=uF IN C=uF IN C=uF IN C=uF IN C=uF IN V~ MUTE GAIN R=kΩ C=uF 9 kω kω Bias Gain Select db/db OUT OUT OUT OUT 9 OUT OUT A C=uF MUTE _TC +C9=uF R=Ω C=uF CN C=uF RegCNT R=kΩ Negative Voltage Regulator C=uF CLK CP 9 Reg FB *Connect to [pin] C9=uF
9 TYPICAL CHARACTERISTICS Supply Current vs Supply Voltage RL=NoLoad, MUTE=H, GAIN=L Supply Current vs Temperature V+=V, RL=NoLoad, MUTE=H, GAIN=L Ta= o C Supply Current[mA] Ta=- o C Ta= o C Supply Current[mA] 9 Supply Voltage[V] - - Temperature[ o C] Output DC Offset vs Temperature V+=V, Vin=NoSignal, MUTE=H, GAIN=L VoltageGain vs Frequency V+=V, Vin=dBV,, MUTE=H Output DC Offset[mV] CH CH CH CH CH CH VoltageGain[dB] GAIN=H Ta=-,, o C GAIN=L Ta=-,, o C Temperature[ o C] Frequency[Hz] Level vs Frequency V+=V,, MUTE=L, GAIN=L Filter=Bandpass OutputNoisel vs Temperature V+=V, Rg=Ω,, MUTE=H, GAIN=L Filter=A-w eighted - - Level[dB] Ta= o C Ta= o C OutputNoise[dBV] Ta=- o C - Freauency[Hz] Temperature[ o C] 9
10 TYPICAL CHARACTERISTICS ChannelSeparation vs Frequency V+=V, Vin=dBV, Input=IN,,,,, Rg=Ω, MUTE=H, GAIN=L, Filter=Bandpass measure=out, CS=Vin*Gv/ Measure Ta=- o C Ta= o C ChannelSeparation vs Frequency V+=V, Vin=dBV, Input=IN,,,,, MUTE=H, GAIN=L, Ta= o C, Filter=Bandpass measure=out, CS=Vin*Gv/ Measure ChannelSeparation[dB] Ta= o C ChannelSeparation[dB] Rg=Ω Rg=Ω Freauency[Hz] Freauency[Hz] THD+N vs Output Voltage V+=V, f=khz,, MUTE=H, GAIN=L Filter=Hz to khz THD+N vs Output Voltage V+=V,, MUTE=H, GAIN=L, Ta= o C Filter=Hz to khz THD+N[%].. Ta=- o C THD+N[%].. f=khz. Ta=, o C... Output Voltage[Vrms]. f=hz,khz... Output Voltage[Vrms] THD+N vs Frequency V+=V, Vin=dBV,, MUTE=H, GAIN=L Ta= o C, Filter=Hz to khz PSRR vs Frequency V+=V, Vripple=mVrms,, MUTE=H GAIN=L, Ta= o C, Filter=Bandpass THD+N[%].. PSRR[dB].. Frequency[Hz] Freauency[Hz]
11 TYPICAL CHARACTERISTICS OutputNoise vs fosc V+=V, Rg=Ω,, MUTE=H, GAIN=L Ta= o C, Filter=A-Weighted. THD+N vs fosc V+=V, Vin=dBV, f=khz,, MUTE=H GAIN=L, Ta= o C, Filter=Hz to khz - OutputNoise[dBV] THD+N[%] fosc[khz] fosc[khz] MaximumOutputVoltage vs fosc V+=V, f=khz, Input=IN~IN, MUTE=H, GAIN=L, Ta= o C, THD+N=% Filter=Hz to khz MaximumOutputVoltage vs LoadResistance V+=V, f=khz, Input=IN~IN, MUTE=H, GAIN=L fosc=internal, Ta= o C, THD+N=% Filter=Hz to khz MaximumOutputVoltage[Vrms].. MaximumOutputVoltage[Vrms] V+=V V+=V V+=V fosc[khz] RoadResistance[kΩ] Voltage Gain vs GAIN Terminal Voltage V+=V, Vin=dBV, f=khz,, MUTE=H Ta= o C Level vs MUTE Terminal Voltage V+=V, Vin=dBV, f=khz,, GAIN=L Ta= o C 9 VoltageGain[dB] H->L L->H Level[dB] H->L L->H -... GAIN Teaminal Voltage[V] -... MUTE Terminal Voltage[V]
12 [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.
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