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| NTE1285 & NTE1286 Integrated Circuit Audio Power Amplifier, 5.8W Description: The NTE1285 and NTE1286 are audio power amplifiers in a 7-Lead SIP type package designed especially for car radio and car stereo applications. These devices are encapsulated in newly developed small packages featuring low thermal resistance, providing easy design for 2. At 14.4V the devices give output power of 7W with RL = 4 and 11W with RL = 2. Features: D High Output Power D Low Transient Noise at Power Supplu Switch ON D Mirror Image Pin Configurations D Protection Circuits are Provided for the Following: Load Dump Protection Thermal Shut-Down Protection Overvoltage Protection Output Terminal Short-Circuit Protection Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage (Surge PW = 200ms), VCCsurge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V Supply Voltage (Quiescent, Note 1), VCC1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V Supply Voltage (Operational), VCC2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Peak Circuit Current, ICCpeak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5A Packag Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12W Operating Temperature Range (Note 1), Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30 to +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C Note 1. Using an aluminum heat sink 100mm x 100mm x 1mm. Recommended Operating Conditions: (TA = +25C unless otherwise specified) Supply Voltage Range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.5V to 16V Load Impedance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 to 2 Electrical Characteristics: (TA = +25C, f = 1kHz, RL = 4 unless otherwise specified) Parameter Circuit Current Output Power Symbol ICC PO Test Conditions uin = 0, VCC = 13.2V RL = 4, THD = 10%, VCC = 13.2V RL = 4, THD = 10%, VCC = 14.4V RL = 2, THD = 10%, VCC = 13.2V RL = 2, THD = 10%, VCC = 14.4V Total Harmonic Distortion Voltage Gain Output Noise Level THD Au un PO = 0.5W PO = 0.5W Rg = 10k Min 23 5.0 - - - - - Typ 45 5.8 7.0 9.2 11.0 0.3 1.4 Max 80 - - - - 1.0 4.0 Unit mA W W W W % dB mVrms 51.0 53.5 56.0 Pin Connection Diagram (Front View) Pin Connection Diagram (Front View) 7 VCC 6 Bootstrap 5 Output NTE1285 7 Input 6 Bypass 5 Feedback NTE1286 4 GND 3 Feedback 2 Bypass 1 Input 4 GND 3 Output 2 Bootstrap 1 VCC .787 (20.0) Max .590 (15.0) Max .158 (4.0) Max .590 (15.0) Max 1 7 .512 (13.0) Max .071 (1.8) R .256 (6.5) .010 (.254) .100 (2.45) .083 (2.1) |
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