NTE7146 データシートの表示（PDF） - NTE Electronics
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NTE7146 Datasheet PDF : 2 Pages
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NTE7146
Integrated Circuit
Dual (12W + 12W) Stereo Amplifier w/Muting
Description:
The NTE7146 is a class AB dual audio power amplifier assembled in an 11–Lead Staggered SIP type
package specifically designed for high quality sound applications such as HI–FI music centers and
stereo TV sets.
Features:
D Wide Supply Voltage Range
D High Output Power: 12W + 12W @ VS = 28V, RL = 8Ω, THD = 10%
D Mute facility (Pop Free) with Low Consumption
D AC Short Circuit Protection
D Thermal Overload Protection
Absolute Maximum Ratings:
Supply Voltage, VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V
Output Peak Current, IO
Repetitive (f > 20Hz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5A
Non–Repetitive (t = 100µs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5A
Total Power Dissipation (TC = +70°C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25W
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Maximum Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3°C/W
Electrical Characteristics: (TA = +25°C, VS = 28V, RL = 8Ω, GV = 30dB, f = 1kHz unless
otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply Voltage
VS
Quiescent Output Voltage
VO
10 – 32 V
– 13.5 – V
Total Quiescent Current
Output Power (RMS)
Iq
PO THD = 10%, TA = +85°C
– 70 95 mA
10 12 – W
THD = 1%
– 9.5 – W
Total Harmonic Distortion
THD PO = 1W, f = 1kHz
PO = 0.1W to 8W, f = 100Hz to 10kHz
– 0.02 0.2 %
– – 0.5 %
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