NTE NTE1820 Datasheet

NTE1820

Integrated Circuit

Module, Dual AF PO, 30W/Ch,

Dual Power Supply

Features:

D Contains Emitter Follower Circuit for Upgrading
D Case Temperature +125°C is Guaranteed, Thereby Enabling Great Reduction of Heat Sink
D By Attaching Muting Circuit Externally, Pop Noise at Power ON/OFF can be Rejected

Absolute Maximum Ratings

Maximum Supply Voltage, V
Thermal Resistance, Junction–to–Case, R
Maximum Junction Temperature, T
Operating Case Temperature, T
Storage Temperature Range, T
Available Time for Load Shorted (V

Recommended Operating Conditions

Recommended Supply Voltage, V
Load Resistance, R

L

Operating Characteristics

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

max ±43V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CC

2.2°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

+150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

+125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C

stg

thJC

J

= ±27.5V, RL = 8Ω, PO = 30W, f = 50Hz), t

CC

–30° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

s

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

CC

±27.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

: (TA = +25°C, VCC = ±27.5V, RL = 8Ω, Rg = 600Ω, VG = 40dB unless

otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

Quiescent Current I
Output Power

Total Harmonic Distortion THD PO = 1W, f = 20Hz to 20kHz – – 0.02 %

CCO

P
P

O(1)
O(2)

VCC = ±34V 35 70 120 mA
THD = 0.02%, f = 20Hz to 20kHz 30 – – W
VCC = ±23V, THD = 0.08%, RL = 4Ω, f = 1kHz 30 – – W

2sec. . . . . . . . .

8Ω. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Frequency Response fL, f
Input Resistance r
Output Noise Voltage V
Midpoint Voltage V

PO = 1W 10 to 100k – Hz

H

PO = 1W – 90k – Ω

i

VCC = ±34V – – 1.2 mV

NO

VCC = ±34V –70 – +70 mV

N

rms

3

TR1 TR2

TR6

5

R2

TR9

TR7

C1

R6

TR10

R7

910

12

14

1

2

TR3 TR4

TR5

R1

D1

R4

R5

R3

TR8

D2

TR11

TR12

R8

4

678

11

13

16

15

SUB

3.071 (90.7)

2.756 (70.0)

.315 (8.0)

.135 (3.45)

Dia (2 Holes)

1.733
(44.0)

.866

(22.0)

116

.492 (12.5)

.100 (2.54)

.200 (5.08) Min

1.500 (38.1)