Datasheet > NTE1278

NTE1278

更新时间： 2024-11-24 04:15:43

品牌	Logo	应用领域
NTE		放大器功率放大器
页数	文件大小	规格书
2页	74K
描述
Integrated Circuit Audio Power Amp, 5.8W

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数据手册

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NTE1278 数据手册

NTE1278

Integrated Circuit

Audio Power Amp, 5.8W

Features:

D Few External Parts Required

D Adjustable Closed−Loop Gain

D High Sustaining Over Voltage

D Excellent Ripple Rejection

D High Power and Low Distortion

D Audio Muting Circuit

D Protection Circuit for Load Short, Excessive Supply Voltage, and Thermal Shutdown

Absolute Maximum Ratings: (T_A= +25°C unless otherwise specified)

Peak Supply Voltage (200ms), V_CCsurge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V

DC Supply Voltage, V_CC(DC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V

Operating Supply Voltage, V_CC(ope). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V

Peak Output Current, I_O(Peak). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5A

Power Dissipation (T_C= +25°C), P_D. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.5W

Operating Temperature Range, T_opr. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30° to +75°C

Storage Temperature Range, T_stg. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +150°C

Electrical Characteristics: (T_A= +25°C, V_CC= 12.5V, R_L= 4Ω, R_g= 600Ω, f = 1kHz unless

otherwise specified)

Parameter

Quiescent Current

Symbol

Test Conditions

Min

−

Typ Max Unit

100

−

CCQ

= 18V

−

Output Power

OUT

THD = 10%

−

5.2

5.8

9.3

9.0

0.2

0.36

0.5

= 13.2V, THD = 10%

5.0

−

= 13.2V, R = 2Ω, THD = 10%

−

Maximum Output Power

Total Harmonic Distortion

= 13.2V, V = 100mV

−

THD

= 1W

−

1.5

1.0

−

OUT

= 100mW

−

= 1W, R = 2Ω

−

Voltage Gain

51.5 53.0 54.5

kΩ

Input Resistance

Output Noise Voltage

−

R = 10kΩ, BW = 50Hz to 20kHz

0.9

2.0

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