AS1704 Просмотр технического описания (PDF) - austriamicrosystems AG

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AS1704

1.8W Single-Channel Audio Power Amplifiers

austriamicrosystems AG 

AS1702 - AS1705

Data Sheet - Application Information

9 Application Information

Figure 30. AS1702 Typical Application Diagram

RF

20kΩ

RF

20kΩ

2.7 to 5.5V

9

Supply

VCC

10µF

CIN* RIN

Inverting 10µF 10kΩ

2

Differential Input

IN-

Non-Inverting

4

Differential Input CIN* RIN

IN+

10µF 10kΩ

* Optional

CBIAS

0.1µF

5

BIAS

1

SHDN

3

SHDM

Bias

Generator

Shutdown

Control

AV = 2

–

+

AS1702

10

OUT+

6

OUT-

7

GND

Figure 31. AS1703, AS1704, AS1705 Typical Application Diagram

2.7 to 5.5V

9

Supply

VCC

10µF

Inverting

Differential Input

Non-Inverting

Differential Input

* Optional

CIN*

10µF

CIN*

10µF

CBIAS

0.1µF

2

IN-

4

IN+

5

BIAS

1

SHDN

3

SHDM

R1

R1

Bias

Generator

Shutdown

Control

R2

AV = 1

AV = 1.41

AV = 2

–

+

R2

AS1703/

AS1704/

AS1705

10

OUT+

6

OUT-

7

GND

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Revision 1.47

12 - 20

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