NTE NTE1704 Datasheet

NTE1704

Integrated Circuit

Audio Power Amplifier, 1.2W

Features:

D Incorporating Automatic Opera tin g Point Sta bilize r
D Low Noise
D Variable Frequency Characteristics
D Few External Components Required

Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, V

Supply Current, I
Power Dissipation (TA = +30°C), P
Operating Ambient Temperature Range, T
Storage Temperatuere Range, T

CC

CC

stg

D

opr

–20° to +75°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical Characteristics: (TA = +25°C, VCC = 9V, RL = 8Ω, f = 1kHz unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

18V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.5W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Quiescent Circuit Current I
Voltage Gain G
Output Power P

Total Harmonic Distortion THD Vi = 5mV – 0.5 1.5 %
Output Noise Voltage V
Input Impedance Z

CQ

Vi = 0 10 20 50 mA
Vi = 5mV 43 46 49 dB

VC

THD = 10% 0.8 1.2 – W

O

VCC = 6V, RL = 8Ω, THD = 10% – 0.55 – W
VCC = 6V, RL = 4Ω, THD = 10% – 0.9 – W

Rg = 10kΩ – 0.5 1.2 mV

no

i

– 25 – kΩ

Pin Connection Diagram

(Front View)

9

V

CC

Bootstrap

8

Ripple Filter

7
6

Ripple Filter
Input

5
4

Negative Feedback
Phase Compensation

3

GND

2

Output

1

.929 (23.6) .118 (3.0)

.236
(6.0)

19

.098
(2.5)

.100 (2.54) .118(3.0)