NTE7103 データシートの表示（PDF） - NTE Electronics
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NTE7103 Datasheet PDF : 2 Pages
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NTE7103
Integrated Circuit
50W to 80W Power Amplifier, Driver
Description:
The NTE7103 is an integrated monolithic circuit in a 14–Lead SIP type package designed for use in
50W to 80W class HiFi audio power amplifier applications. This device consists of an input differential
amplifier, a predriver circuit, a driver circuit, and an over current protection circuit.
Features:
D Low Distortion
0.002%
0.006%
Typ.
Typ.
(VCC
(VCC
=
=
±46V,
±46V,
f
f
=
=
12k0HkHz,z,AAv v==303d0BdB, ,PPOO==505W0W, ,RRL L==8Ω8Ωww/P/PowowererTTrarnasnissitsotro)r)
D Wide Frequency Band
D Wide Power Band
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage (Quiescent), VCC1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±65V
Supply Voltage (Operational), VCC2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50V
Circuit Current, ICC(peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250mA
Allowable Package Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5W
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Note 1. 100 x 100 x 2mm Al heat sink.
Recommended Operating Conditions:
Supply Voltage (Operational), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 to ±46V
Input Bias Resistance, RIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 to 50 to 100kΩ
Power Transistor hFE (PO = 80W, RL = 8Ω, TJ < +125°C), hFE . . . . . . . . . . . . . . . . . . . . . . . . . . . ≤ 50
Closed Loop Voltage Gain, Av . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 to 30dB
Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +125°C
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