NTE784 IC 1W Multi-Purpose Wide-Band Power Amplifier 12-Lead Metal Can

Formerly: ECG784

Integrated Circuit Wide-Band Power Amplifier

Description:

The NTE784 is a multi-stage, multi-purpose, wide-band power amplifier on a single monolithic silicon chip. This device employs a highly versatile and stable direct-coupled circuit configuration featuring wide frequency range, high voltage and power gain, and high power output. These features plus inherent stability over a wide temperature range make the NTE784 extremely useful for a wide variety of applications in military, industrial, and commercial equipment.

The NTE784 is particularly suited for service as a class B power amplifier and can provide a maximum power output of 1W from a 12V DC supply with a typical power gain of 75dB.

Features:

• High Power Output
• Wide Frequency Range
• High Power Gain
• Single Power Supply for Class B Operation with Transformer
• Built-In Temperature Tracking Voltage RTegulator Provides Stable Operation

Applications:

• AF Power Amplifier for Portable and Fixed Sound and Communications Systems
• Servo-Control Amplifier
• Wide-Band Linear Mixers
• Video Power Amplifiers
• Transmission-Line Driver Amplifier (Balanced and Unbalanced)
• Fan0In and Fan-Out Amplifiers for Computer Logic Circuits
• Lamp-Control Amplifiers
• Motor-Control Amplifiers
• Power Multivibrators
• Power Switches

Absolute Maximum Ratings:

Power Dissipation (Without Heatsink, TA = +25°C), PD		1W
Derate Above 25°C		6.7mW/°C
Power Dissipation (With Heatsink, TC = +25°C), PD		2W
Derate Above 25°C		16.7mW/°C
Operating Temperature Range, Topr		-55° to +125°C
Storage Temperature Range, Tstg		-65° to +150°C
Maximum Thermal Resistance, Junction-to-Case, RthJC		60°C/W

Electrical Characteristics: (T_A = +25°C unless otherwise specified)

Parameter	Symbol	Test Conditions	Min	Typ	Max	Unit
Collector-Emitter Breakdown Voltage	V(BR)CER	(Q6 & Q7) IC = 10mA	25	-	-	V
	V(BR)CE0	(Q1) IC = 0.1mA	10	-	-	V
Idle Currents	I4, I7	(Q6 & Q7) VCC1 = 9V, VCC2 = 2V	-	5.5	-	mA
Peak Output Currents	I4, I7	(Q6 & Q7) VCC1 = 9V, VCC2 = 2V	180	-	-	mA
Cutoff Currents	I4, I7	(Q6 & Q7) VCC1 = 9V, VCC2 = 2V	-	-	1.0	mA
Differential Amplifier Current Drain	ICC1	VCC1 = 9V, VCC2 = 9V	6.3	9.4	12.5	mA
Total Current Drain	ICC1 + ICC2	VCC1 = 9V, VCC2 = 9V	14.5	21.5	30.0	mA
Differential Amplifier Input Pin Voltages	V2, V3	VCC1 = 9V, VCC2 = 2V	-	11.1	-	V
Regulator Pin Voltage	V11	VCC1 = 9V, VCC2 = 2V	-	2.35	-	V
Collector-Emitter Cutoff Current	ICEO	(Q) VCC1 = 10V	-	-	100	µA
Emitter-Base Cutoff Current	IEBO	(Q) VCC1 = 3V	-	-	0.1	µA
Collector-Base Cutoff Current	ICBO	(Q) VCC1 = 3V	-	-	0.1	µA
Forward Current Transfer Ratio	hFE1	(Q1) IC = 3mA, VCC1 = 6V	30	75	-
Bandwidth	BW	VCC1 = 6V, VCC2 = 6V, -3dB	-	8	-	MHz
Maximum Power Output	PO(max)	VCC1 = 6V, VCC2 = 6V, RCC = 130 Ohm	200	300	-	mW
		VCC1 = 9V, VCC2 = 9V, RCC = 130 Ohm	400	550	-	mW
		VCC1 = 9V, VCC2 = 12V, RCC = 200 Ohm	800	1000	-	mW
Sensitivity	eIN	VCC1 = 9V, VCC2 = 12V, POUT = 800mW, RCC = 200 Ohm	-	50	100	mV
Input Resistance	RIN3	VCC1 = 6V, VCC2 = 6V, Pin3 to GND	-	1000	-	Ohm

This product is discontinued.
Only while stock lasts.

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