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NTE7040

Integrated Circuit Audio Power Amplifier, 20W

NTE Electronics 

Electrical Characteristics: (TA = +25°C, ±B1 = ±25V, +B2 = 25V, RL = 8Ω, Rg = 600Ω unless

otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Quiescent Current

Output Offset Voltage

Input Resistance

Voltage Gain (Closed Loop)

Voltage Gain (Open Loop)

Output Power

Total Harmonic Distortion

Output Noise Voltage

Supply Voltage Rejection Ratio

+IQ1 Vin = 0

between +B1 and Pin5 20

+IQ2

between +B2 and Pin6 –

–IQ1

between –B1 and Pin12 –

∆VO Vin = 0, between Pin3 and GND

–

Rin f = 1kHz, R102 = 56kΩ

–

GV f = 1kHz, R103 = 680Ω, R104 = 56kΩ –

GV(OL) f = 1kHz, R103 = 0

–

PO1 f = 20kHz, THD = 0.5%, RL = 8Ω 15

PO2 Note 2

THD = 0.7%, RL = 4Ω 15

THD f = 20kHz, Pout = 2W

–

Vn Rg = 5.1kΩ, BW = 20Hz to 20kHz

–

SVR Rg = 5.1kΩ, fripple = 100Hz (at Pin12) 52

60 120 mA

– 22 mA

– 152 mA

0 ±0.1 V

55 – kΩ

38 – dB

88 – dB

18 – W

18 – W

0.04 0.20 %

0.35 0.50 mV

60 – dB

Note 2. Standard test conditions are as follows: PO1: ±B1 = ±22V, PO2: ±B1 = ±19V

Pin Connection Diagram

(Front View)

12 GND

11 Ripple Rejection

10 Input

9 Input

8 Compensation

G

7 Compensation

N

D

6 Muting Input

5 VCC

4 N.C.

3 Output

2 N.C.

1 N.C.

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