NTE NTE1043 Datasheet

NTE1043

Integrated Circuit

Audio Amplifier for Tape Recorder

Features:

D No Transformer Required thanks to Complementary Output Circuit
D Excellent Equalizer Characteristics
D Low–Distortion Recording even if Volumeless because of AGC Circuit Wide Dynamic Range
D Wide Supply Voltage Range: VCC ≥ 4V

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

Power Dissipation, P
Pin9 Current (Note 1), I
Operating Temperature Range, T
Storage Temperature Range, T

Note 1. I9 is the current to flow into Pin9.

CC

T

9

opr

stg

–10° to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–55° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

400mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

Electrical Characteristics: (VCC = 6V, RL = 4Ω, f = 1kHz, TA = +25°C, with output transistors,

unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

Quiescent Current I
Output Power POmax THD = 10% (Play) 0.8 1.0 – W
Voltage Gain G
Total Harmonic Distortion THD P
Output Noise Voltage V
Input Resistance Preamp R

Drive Amp 10 35 – kΩ
AGC Ratio Ratio AGC Vin = –70dBm → –30dBm – 30 – dB
AGC Total Harminic Distortion THD AGC Vin = –30dBm (Rec) – 1 – %
Minimum Operating Voltage VCCmin (Play) 4 – – V

O

v

= 100mW (Play) – 0.5 1.8 %

out
n
in

Rg = 0 (Play) – 17 30 mV

(Play) – 85 – dB

(Play) 10 20 – kΩ

10 15 20 mA

Pin Connection Diagram

AF Input

Record/Playback Circuit12

3

GND

4
5Record/Playback Circuit

Record/Playback Circuit

Feedback Circuit

6
7

14 8

Bypass

14

13

GND
BypassRecord/Playback Circuit

12

AF Driver Input

11
10

V

CC

9 AF Output

GND

8

17

.785 (19.95)

.300 (7.62)

Max

.200 (5.08)

Max

.100 (2.45) .099 (2.5) Min

.600 (15.24)