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NTE7157 Datasheet(PDF) 1 Page - NTE Electronics |
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NTE7157 Datasheet(HTML) 1 Page - NTE Electronics |
1 / 2 page NTE7157 Integrated Circuit Low Frequency Power Amplifier Description: The NTE7157 is an audio power integrated circuit in a 16–Lead DIP type package with built–in two channels designed for use in a portable radio cassette tape recorder with power ON/OFF switch. Features: D High Power: POUT = 2.5W/Ch Typ (VCC = 9V, RL = 4Ω, f = 1kHz, THD = 10%) POUT = 3.0W/Ch Typ (VCC = 9V, RL = 3Ω, f = 1kHz, THD = 10%) D Voltage Gain: GV = 45.0dB Typ (Rf = 120Ω, f = 1kHz) GV = 56.5dB Typ (Rf = 0Ω, f = 1kHz) D Small Quiescent Current: ICCQ = 21mA Typ (VCC = 9V, VIN = 0) D Ripple Rejection Ratio: RR = –52dB Typ (VCC = 9V, fripple = 100Hz, Rg = 600Ω) D Crosstalk: CT = –50dB Typ (VCC = 9V, f = 1kHz, Rg = 600Ω) D Output Noise Voltage: Vno = 0.3mVrms Typ (VCC = 9V, Rg = 10kΩ, BW = 20Hz to 20kHz) D Stand–By Switch D Soft Clip D Built–In Thermal Shut Down Protection Circuit D Operating Supply Voltage Range: VCC(opr) = 5V to 12V (TA = +25°C) D Low Popping Noise at Power ON Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) DC Supply Voltage, VCC 20V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output Current (Peak/Ch), IO(peak) 2.5A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Dissipation (Note 1), PD 4.0W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Temperature Range, Topr –25 ° to +75°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage Temperature Range, Tstg –55 ° to +150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Note 1. Value for mounting on PC board. |
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