NTE7103 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit 50W to 80W Power Amplifier, Driver

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.
(V_CC
(V_CC
=
=
±46V,
±46V,
f
f
=
=
12k0HkHz,z,AA_{v v}==303d0BdB, _,PPOO==505W0W, _{,RRL L}==8Ω_8Ω^ww/P/PowowererTTrarnasnissitsotro)r)
D Wide Frequency Band
D Wide Power Band
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Supply Voltage (Quiescent), V_CC1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±65V
Supply Voltage (Operational), V_CC2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50V
Circuit Current, I_CC(peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250mA
Allowable Package Dissipation (Note 1), P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5W
Operating Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Note 1. 100 x 100 x 2mm Al heat sink.
Recommended Operating Conditions:
Supply Voltage (Operational), V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 to ±46V
Input Bias Resistance, R_IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 to 50 to 100kΩ
Power Transistor h_FE (P_O = 80W, R_L = 8Ω, T_J < +125°C), h_FE . . . . . . . . . . . . . . . . . . . . . . . . . . . ≤ 50
Closed Loop Voltage Gain, A_v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 to 30dB
Junction Temperature Range, T_J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +125°C