NTE NTE1390, NTE1391 Datasheet

NTE1390 & NTE1391

Integrated Circuit

Audio Power Amplifier, 12W

for Car Radio or Car Stereo

Features:

D High Gain: 51dB Typ., HIgh Power Output: 12W Typ.
D Low Number of External Components Required
D Low Noise During Power ON/OFF Operation
D Soft Tonal Quality in Saturated Power Output
D Low Distortion Over Low to High Audio Frequency Range
D Low Residual Noise: R
D Built–In Audio Muting Circuits: AC Mute & DC Mute
D Built–In Protection Circuits:

Thermal
Overvoltage and Surge Voltage
Load Short–Circuit Current Limiting
Output Pins DC Short–Circuit

D NTE1391 is Mirror Image Pinout of NTE1390

= 0

g

Absolute Maximum Ratings:

Maximum Supply Voltage, V

(TA = +25°C unless otherwise specified)

max

CC

Quiescent (30sec) 25V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

With Signal 18V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Supply Current, I

10peak

Instantaneous Value Duty ≤ 5%, Pulse Width ≤ 1ms Flow–In Only 4.5A. . . . . . . . . . . . . . . . .

Output Current, I

7

, I

9peak

Instantaneous Value Duty ≤ 5%, Pulse Width ≤ 1ms 4.5A. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Surge Supply Voltage (t ≤ 0.2sec), V
Allowable Power Dissipation (T
Operating Temperature Range, T
Storage Temperature Range, T

surge

= +75°C), PDmax 25W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C

opr

stg

Thermal Resistance, Junction–to–Case, R

Recommended Operating Conditions:

Recommended Supply Voltage, V
Load Resistance, R

L

CC

(TA = +25°C unless otherwise specified)

thJC

50V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

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

3°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13.2V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4Ω to 8Ω. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical Characteristics: (TA = +25°C, VCC = 13.2V, RL = 4Ω, f = 1kHz, Rg = 600Ω, with

100 x 100 x 1.5mm

Parameter Symbol Test Conditions Min Typ Max Unit

3

Al Heat Sink unless otherwise specified)

Quiescent Current I
Voltage Gain VG Closed Loop 49 51 53 dB
Output Power P
Total Harmonic Distortion THD PO = 1W – 0.1 1.0 %
Input Resistance r
Output Noise Voltage V

Output Offset Voltage V
Muting Suppression (AC, Note 1) A

CCO

V

O

i

NO 1

NO 2

off
TT

THD = 10% 10 12 – W

Rg = 0, f = 20Hz to 20MHz,
Band Pass Filter

Rg = 10kΩ, f = 20Hz to 20MHz,
Band Pass Filter

vo = 0dBm, VM = 9V – 38 – dB

– 65 120 mA

21 30 – kΩ

– 0.4 1.0 mV

– 0.6 2.0 mV

–300 – +300 mV

Note 1. For DC muting, ATT = ∞.

Pin Connection Diagram

NTE1390

(Front View)

NTE1391

(Front View)

V

10

CC

Output 1

9

Power Amp GND

8
7 Output 2

DC Audio Muting

6

NF 2

5
4

NF 1

3

Preamp GND
Input

2

AC Audio Muting

1

AC Audio Muting

10

Input

9

Preamp GND

8
7 NF 1

NF 2

6

DC Audio Muting

5

Output 2

4
3 Power Amp GND

Output 1

2

V

1

CC