NTE1388 Integrated Circuit Audio Power Amplifier, 5.8W, for Car Radio, Car Stereo Features: D High Gain (52dB. Typ) and High Output (5.8W Typ) D Soft Clip D Few External Components D Built–In Thermal Cutoff Circuit Protects Against Load Short, Overload D Built–In Pop Noise Prevention Circuit Protects Against Power Supply ON Noise D May Be Used for Bridge Amplifier Applications (PO = 18W, RL = 4Ω) Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Maximum Output Current (Pin1: Sink, Pin8: Source, Pin10: Sink, Note 1), IO . . . . . . . . . . . . 4.5A Surge Supply Voltage (t ≤ 0.2sec), Vsurge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V Allowable Power Dissipation, PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7W Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C Note 1. 100 x 100 x 1.5mm3 Al heat sink used. Recommended Operating Conditions: (TA = +25°C unless otherwise specified) Parameter Recommended Supply Voltage Load Resistance Symbol Test Conditions Min Typ Max Unit VCC – 13.2 – V RL – 4 – Ω Electrical Characteristics: (TA = +25°C, VCC = 13.2V, RL = 4Ω, f = 1kHz, 100 x 100 x 1.5mm3 Al heat sink unless otherwise specified) Parameter Symbol Quiescent Current ICCO Voltage Gain VG Output Power Total Harmonic Distortion Input Resistance Output Noise Voltage Test Conditions Min Typ Max Unit – 35 80 mA Closed Loop 51 53 55 dB Open Loop Based on a Specific Circuit – 70 – dB PO (1) THD = 10%, RL = 4Ω 5.0 5.8 – W PO (2) THD = 10%, RL = 2Ω – 9.0 – W PO = 1W – 0.7 2.0 % – 30 – kΩ – 1.2 2.5 mV THD ri VNO Rg = 10kΩ, No Filter Function of External Components: The recommended number of external components used with the NTE1388 is 4 pieces as follows: D Feedback Capacitor from Pin5, CNF D Pin7 to Pin10 Bootstrap Capaciter, CBS D Output Capacitor from Pin10, COUT D High Frequency Paracitic Oscillation Compensating Capacitor, CX The fixed values of these components are: = 100µF CNF = 100µF CBS COUT = 1000µF = 0.15µF CX Pin Connection Diagram (Front View) 10 Output 9 N.C. 8 GND 7 Bootstrap 6 Filter 5 Filter 4 Decoupling 3 N.C. 2 Input 1 VCC 1.030 (26.0) .136 (3.45) Dia (2 Holes) .937 (23.8) .142 (3.6) .473 (12.0) .650 (16.5) .532 (13.5) .331 (8.4) 1 10 .138 (3.5) .100 (2.54) .900 (22.8)