NTE7157 데이터 시트보기 (PDF) - NTE Electronics
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NTE7157 Datasheet PDF : 2 Pages
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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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