NTE NTE1481 Datasheet

NTE1481

Integrated Circuit

Dual Recording Output Amplifier

Applications:

D Suitable for dual amplifiers of line output, of recording output, or headphone driving.

Features:

D Wide operation voltage range
D Small pop noise
D Dual amplifiers installed

Absolute Maximum Ratings

Maximum Supply Voltage, V
Current Dissipation (Pin2: Flow In, Pin7, Pin8: Flow Out Only), I
Allowable Power Dissipation, P
Operating Temperature Range, T
Storage Temperature Range, T

Recommended Operation Condition

Recommended Supply Voltage, V
Load Resistance, R

L

Electrical Characteristics

: (TA = +25°C unless otherwise specified)

max 22V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CC

CC

max 1.05W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

D

opr

stg

–20° to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

: (TA = +25°C unless otherwise specified)

CC

: (TA = +25°C, VCC = 12V, RL = 39Ω, f = 1kHz, R

600Ω unless

g =

otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

Quiescent Current I
Voltage Gain V
Output Voltage V
Total Harmonic Distortion THD VO = 1V – 0.1 0.5 %

CCO

G
O

THD = 1% 1.9 2.2 – V

5 8 15 mA
– 38 – dB

0.5A. . . . . . . . . . . . . . . . . . . . .

12V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

39Ω. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input Resistance r
Output Noise Voltage V
Separation –45 –65 – dB
Channel Balance – – 1 dB

i

NO

VO = 1V 20 30 40 kΩ
Rg = 1kΩ, f = 15Hz to 30kHz – 100 200 µV

Pin Connection Diagram

Tab

N.C. N.C.

V
Bias

Ch 1 Input

CC

1
2

3
4
5Feedback
6Ch 1 Output

GND

7

.099 (2.52)

14 8

14

Bypass

13

Bias

12
11 Ch 2 Input

Feedback

10

Ch 2 Output

9
8 GND

.252

(6.45)

.265

(6.5)

17

.082 (2.1) Dia

.748 (19.0)

.167

(4.26)

.100 (2.54) .137 (3.5)

.236 (6.0)

.300

(7.62)