Transcription of NTE990 Integrated Circuit Dual Audio Power Amplifier
1 NTE990 Integrated CircuitDual Audio Power AmplifierDescription:The NTE990 is a monolithic dual Power Amplifier designed to deliver 2W/channel continuous into 8 loads. The NTE990 is designed to operate with a low number of external components, and still pro-vide flexibility for use in stereo phonographs, tape records and AM FM stereo receivers, etc. Eachpower Amplifier is biased from a common internal regulator to provide high Power supply rejection ,and output Q point centering. The NTE990 is internally compensated for all gains greater than :D2W/channelD 65 dB Ripple rejection , Output ReferredD 65 dB Channel Separation, Output ReferredDWide supply Range: 6V to 24 VDVery Low Cross Over DistortionDLow Audio Band NoiseDAC Short Circuit ProtectedDInternal Thermal ShutdownApplications:DMulti Channel Audio SystemsDStereo PhonographsDTape Recorders and PlayersDAM FM Radio ReceiversDServo AmplifiersDIntercom SystemsDAutomotive ProductsAbsolute Maximum Ratings: supply Voltage, VCC26V.
2 Input Voltage, VI .. Operating Junction Temperature, TJ+150 C.. Operating Temperature Range, Topr0 to +70 C.. Storage Temperature Range, Tstg 65 to +150 C.. Lead Temperature (During Soldering, 10sec), TL+300 C.. Electrical Characteristics:(VS = 20V, TA = +25 C, RL = 8 , AV = 50 (34 dB) unless otherwisespecified)ParameterTest ConditionsMinTypMaxUnitTotal supply CurrentPO= 0W 2550mAOutput PowerTHD = 10% W/ChTotal Harmonic Distortionf = 1kHz, VS = 14 VPO = 50mW/Ch %PO = 500mW/Ch %PO = 1W/Ch %Output SwingRL = 8 VS 6 VP PChannel SeparationCF = 50 F, CIN = F,VS = 20V, VO = 4 Vrms 50 70 dBf = 1kHz, Output ReferredVS = 7V, VO = 60 dBPower supply rejection RatioCF = 50 F, CIN = F,VS = 20V, Vripple = 1 Vrms 50 65 dBf = 120Hz, Output ReferredVS = 7V, Vripple = 40 dBEquivalent Noise InputRS = 0, CIN = F, BW = 20Hz to 20kHz,Output Noise Wideband ARS = 0, CIN = F, AV = 200 mVOpen Loop GainRS = 0, f = 100kHz.
3 RL = 8 70 dBInput Offset Voltage 15 mVInput Bias Current 50 nAInput ImpedanceOpen Loop 4 M DC Output LevelVS = 20V91011 VSlew Rate V/ sPower Bandwidth 65 kHzCurrent Limit ANote 1 For operation at ambient temperature greater than +25 C, the NTE990 must be deratedbased on a maximum 150 C junction temperature using a thermal resistance which de-pends upon device mounting Connection DiagramGNDGNDGNDGNDF eedback 2 Input 2 GNDO utput 2 Feedback 1 Input 1 GNDO utput ( ) ( ).200 ( ) ( ).099 ( ) ( )Max
