AN5273 데이터 시트보기 (PDF) - Panasonic Corporation

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AN5273

4.0 W ×2 (18 V, 8 Ω) Power Amplifier with Mute Function and Volume Control

Panasonic Corporation 

AN5273

s Pin Descriptions

Pin No.

Description

1

Mute control

2

Ch.1 input

3

Volume control

4

N.C.

5

Ch.2 input

6

Ripple filter

ICs for Audio Common Use

Pin No.

7

8

9

10

11

12

Description

Ch.2 output

Negative feedback ch.2

GND

VCC

Negative feedback ch.1

Ch.1 output

s Absolute Maximum Ratings

Parameter

Symbol

Rating

Unit

Supply voltage

VCC

30

V

Supply current

ICC

3.5

A

Power dissipation *2

PD

37.5

W

Operating ambient temperature *1

Topr

−25 to +75

°C

Storage temperature *1

Tstg

−55 to +150

°C

Note) *1 : Ta = 25 °C except power dissipation, operating ambient temperature and storage temperature.

*2 : Power dissipation of the package at Ta = 75 °C.

s Recommended Operating Range

Parameter

Symbol

Range

Unit

Supply voltage

VCC

12.2 to 27.5

V

s Electrical Characteristics at VCC = 18 V, f = 1 kHz, RL = 8 Ω, Ta = 25 °C

Parameter

Symbol

Conditions

Min Typ Max Unit

Quiescent current

ICQ No input signal

Voltage gain

GV VIN = 90 mV

Total harmonic distortion *1

THD VIN = 90 mV

Output power *1

PO THD = 10 %

Channel balance

Max. volume attenuation *1

CB VIN = 90 mV

Att VIN = 90 mV

Mute attenuation *1

MAtt VIN = 90 mV

Output noise voltage *1

VNO Rg = 10 kΩ, Din-Audio Filter

Note) *1 : With a filter band from 20 Hz to 20 kHz used.

17 25 33 mA

28 30 32 dB

0.3 1.0 %

3.6 4.1

W

−1 0

1

dB

−70 −64 dB

−70 −64 dB

0.6 1.0 mV[rms]

2

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