NTE7055 View Datasheet(PDF) - NTE Electronics

Part Name

Description

Manufacturer

NTE7055

Integrated Circuit Dual Audio Power Amplifier, 2W

NTE Electronics 

Electrical Characteristics: (TA = +25°C, VCC = 9V, Rf = 33Ω, f = 1kHz, RL = 8Ω unless

otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Circuit Current

Voltage Gain

Output Power

Total Harmonic Distortion

Output Noise Voltage

Supply Voltage Rejection

Crosstalk

Channel Balance

Input Impedance

ICC No Signal

− 12 25 mA

GV1 PO = 0.25W, Rf = 33Ω

41 44 47 dB

GV2 PO = 0.25W, Rf = 120Ω

− 34 − dB

PO1 VCC = 12V, RL = 8Ω, THD = 10%

− 2.0 − W

PO2 VCC = 9V, RL = 4Ω, THD = 10%

− 1.6 − W

PO3 VCC = 9V, RL = 8Ω, THD = 10%

0.9 1.2 − W

PO4 VCC = 6V, RL = 4Ω, THD = 10%

− 0.7 − W

PO5 VCC = 6V, RL = 8Ω, THD = 10%

− 0.5 − W

PO6 VCC = 4.5V, RL = 32Ω, THD = 10%

− 80 − mW

THD1 PO = 0.5W, Rf = 33Ω

− 0.4 1.6 %

THD2 PO = 0.5W, Rf = 120Ω

− 0.3 − %

NL RG = 10kΩ

− 0.9 1.5 mVrms

SVR RG = 0, fripple = 100Hz, Vripple = 0.3Vrms 38 45 −

dB

CT RG = 0, PO = 0.25W

40 55 − dB

Ch. B. PO = 0.25W

−2 0 +2 dB

Zin

− 5 − MΩ

Pin Connection Diagram

Filter 1

Input 2 2

NFB 2 3

Compensation 2 4

Bootstrap 2 5

Output 2 6

GND 7

14 GND

13 Input 1

12 NFB 1

11 Compensation 1

10 VCC

9 Bootstrap 1

8 Output 1

Tab/GND

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