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NTE7118

Integrated Circuit Audio Power Amplifier, 50W

NTE Electronics 

NTE7118

Integrated Circuit

Audio Power Amplifier, 50W

Description:

The NTE7118 integrated circuit is a hi–fi power amplifier in a 9–Lead SIP type package designed for

use as a building block in radio, TV, and other audio applications. The high performance of the IC

meets the requirements of digital sources (e.g. Compact Disc equipment).

The NTE7118 is totally protected, the two output transistors both having tthermal and SOAR protec-

tion. This device also has a mute function that can be arranged for a period after power–on with a

delay time fixed by external components.

The NTE7118 device is intended for symmetrical power supplies but an asymmetrical supply may

also be used.

Features:

D High Output Power (Also with Bootstrap)

D Low Offset Voltage

D Good Ripple Rejection

D Mute/Stand–by Facilities

D Thermal Protection

D Protected Against Electrostatic Discharge

D No Switch–On or Switch–Off Clicks

D Very Low Thermal Resistance

D Safe Operating Area (SOAR) Protection

D Short–Circuit Protection

Absolute Maximum Ratings:

Supply Voltage (Pin6 to Pin4), VP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±30V

Bootstrap Voltage (Pin7 to Pin4), Vbstr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70V

Output Current (Repetitive Peak), IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8A

Mute Voltage (Pin3 to Pin4), Vm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V

Thermal Shut–Down Protection Time (Note 1), tpr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Hour

Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C

Thermal Resistance, Junction–to–Mounting Base, Rth j–mb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1K/W

Note 1. Symmetrical power supply: AC and DC short–circuit protected.

Asymmetrical power supply: AC short–circuit protected.

Driven by a pink–noise voltage.

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