NTE1626

NTE1626 Integrated Circuit 4.2W Dual Audio Power Amplifier Description: The NTE1626 is a dual audio power amplifier in a 12−Lead SIP type package designed for use in a stereo radio cassette. This device has two audio power amplifiers and each of the two provides 4.2W power at 12V/4Ω. Features: D High Output Power: 4.2W/ch (Typ) VCC = 12V, RL = 4Ω 5.0W/ch (Typ) VCC = 12V, RL = 3Ω 2.2W/ch (Typ) VCC = 9V, RL = 4Ω 3.0W/ch (Typ) VCC = 9V, RL = 3Ω D Wide Operating Voltage Range: VCC = 5 to 16V D No Shock Noise at Power Supply Switch On & Off D Soft Clipping Wave Form D High Ripple Rejection Ratio: R.R.R. = 50dB (Typ) D Thermal Shutdown Circuit is Built In Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage (No Signal), VCC1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Supply Voltage (Operating), VCC2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V Allowable Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13W Operating Temperature Range, Topt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C Note 1 100 x 100 x 2mm3 Al heat sink Recommended Operating Conditions: (TA = +25°C unless otherwise specified) Parameter Supply Voltage Load Impedance Symbol VCC RL Test Conditions Min 5 3 Typ 12 4 Max 16 8 Unit V Ω Electrical Characteristics: (VCC = 12V, RL = 4Ω, f = 1kHz, TA = +25°C, 100 x 100 x 2mm Al Panel Heat Sink unless otherwise specified) Parameter Circuit Current Voltage Gain Symbol ICC AV PO = 1W Test Conditions No Signal Min 20 42 Typ 45 45 Max 90 48 Unit mA dB Electrical Characteristics (Cont’d): (VCC = 12V, RL = 4Ω, f = 1kHz, TA = +25°C, 100 x 100 x 2mm Al Panel Heat Sink unless otherwise specified) Parameter Output Power Symbol PO Test Conditions THD = 10% VCC = 9V, RL = 4Ω THD = 10% VCC = 9V, RL = 3Ω THD = 10% VCC = 12V, RL = 4Ω THD = 10% VCC = 12V, RL = 3Ω Total Harmonic Distortion Output Noise Voltage Cross Talk Ripple Rejection Input Impedance THD NL CT RR Zin Pin Connection Diagram (Front View) 9 VCC 8 BM 7 Output 6 VHF High/Low 5 GND 4 Discriminator 3 BV 2 BU 1 Input Min 1.8 2.5 3.2 4 − − 45 40 30 Typ 2.2 3 4.2 5 0.2 0.6 55 50 50 Max − − − − 1 2 − − − Unit W W W W % mVrms dB dB kΩ PO = 1W RG = 10kΩ PO = 1W, oth. ch. RG = 10kΩ RG = 0, f = 100Hz, V = 0.3Vrms 1.260 (32.0) Max .945 (24.0) .197 (5.0) Max .590 (14.9) 1 .256 (6.5) 12 .070 (1.78) R Typ .512 (13.0) .100 (2.54) .099 (2.5)