NTE7157 datasheet(2/2 Pages) NTE

Part #	NTE7157

Description	Integrated Circuit Low Frequency Power Amplifier

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Manufacturer	NTE [NTE Electronics]

Direct Link	http://www.nteinc.com

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Electrical Characteristics: (VCC = 9V, RL = 4Ω, Rg = 600Ω, f = 1kHz, TA = +25°C unless otherwise

specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Quiescent Current

ICCQ

Vin = 0

–

21

45

mA

Output Power

Pout

THD = 10%

2.0

2.5

–

W

THD = 10%, RL = 3Ω

–

3.0

–

W

Total Harmonic Distortion

THD

Pout = 0.4W/Ch

–

0.2

1.0

%

Voltage Gain

GV

Rf = 120Ω, Vout = 0.775Vrms (0dBm)

43

45

47

dB

Rf = 0Ω, Vout = 0.775Vrms (0dBm)

–

56.5

–

dB

Input Resistance

RIN

–

30

–

k

Ω

Output Noise Voltage

Vno

Rg = 10kΩ, BW = 20Hz to 20kHz

–

0.3

1.0

mVrms

Ripple Rejection Ratio

RR

Rg = 600Ω, fripple = 100Hz

–

–52

–

dB

Crosstalk

CT

Rg = 600Ω, Vout = 0.775Vrms (0dBm)

–

–50

–

dB

Input Offset Voltage

V6, V7

–

30

60

mV

Stand–By Current

Istb

SW1

→ OFF

–

1

–

µA

VCC1

VCC2

Pin Connection Diagram

Pre–GND

NF 2

Ripple

Input 2

Bootstrap 2

NF 1

Input 1

Bootstrap 1

Output 1

1

2

3

6

7

8

16

15

14

Output 2

11

10

9

PW–GND

.202 (5.12)

.100 (2.54)

.254 (6.45)

18

16

9

.138

(3.5)

.770 (19.5)

Max

.700 (17.78)

.141

(3.6)

.168 (4.26) Max

.300 (7.62)

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