NTE1637

NTE1637 Integrated Circuit Dual AF Power Ampilifier, 4.3W Features: D Built−in 2 Channels Enabling use in Stereo and Bridge Amplifier Applications. D Low Switching Distortion at High Frequencies D Minimum Number of External Parts Required: 9 Pcs. Min. (Stereo/Bridge) D Small Shock Noise at the Time of Power Supply ON/OFF due to Built−In Muting Circuit D Good Ripple Rejection due to Built−In Ripple Filter D Voltage Gain Fixed at 45dB (Bridge: 51dB). VariableVoltage Gain Available with External Resistor Added. D Easy to Mount on Board and also easy to Design Radiator fin due to use of 14−Pin SIP Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10W Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C Storage Temperatuere Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +150°C Note 1. Using 100 x 100 x 1.5mm3 Al fin. Recommended Operating Conditions: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V Load Resistance, RL Stereo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Ω to 8Ω Bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω Electrical Characteristics: (TA = +25°C, VCC = 12V, f = 1kHz, RL = 4Ω Stereo 8Ω Bridge) Parameter Queiscent Current Voltage Gain Stereo Bridge Symbol ICCO VG Closed Loop Test Conditions Min − 43 49 Typ 45 45 51 Max 60 47 53 Unit mA dB dB Electrical Characteristics (Cont’d): (TA = +25°C, VCC = 12V, f = 1kHz, RL = 4Ω Stereo 8Ω Bridge) Parameter Voltage Gain Difference Output Power Stereo 4Ω Stereo 8Ω Bridge 8Ω Total Harmonic Distortion Stereo Bridge Input Resistance Output Noise Voltage Ripple Rejection Channel Separation ri VNO Rr Sep Rg = 0, Stereo Rg = 10kΩ, Stereo Rg = 0, Vr = 150mV, Stereo Rg = 10kΩ, VO = 0dB, Stereo THD PO = 250mW Symbol ∆VG PO Stereo THD = 10% Test Conditions Min − 3.6 − − − − 21 − − 40 40 Typ − 4.2 2.5 9.0 0.3 0.5 30 0.3 0.5 46 55 Max ±1 − − − 1.5 − − 1.0 2.0 − − Unit dB W W W % % kΩ mV mV dB dB Pin Connection Diagram (Front View) 14 13 12 11 10 9 8 7 6 5 4 3 2 1 NF 1 Input 1 Preamp GND DC Input 2 NF 2 Power Amp GND 2 Output 2 Bootstrap 2 BTL Output VCC Output 1 Bootstrap 1 Power Amp GND 1 1.456 (37.0) 1.181 (30.0) .156 (3.95) R .177 (4.5) .527 (13.38) 1 14 .815 (20.7) .100 (2.54) .015 (0.38)