Copyright

© ANPEC Electronics Corp.

Rev. A.4 - Aug., 2013

www.anpec.com.tw

15

APA2011/2011A

Single-Ended input mode (TDFN3x3-8) and A

Typical Application Circuit

Differential input mode (TDFN3x3-8)

Note : *The setting value has 15% variation by IC process and this equation only for WLCSP1.5x1.5-9 package, the TDFN3x3-8

package’s output power will less than the calculation.

Note : *The setting value has 15% variation by IC process and this equation only for WLCSP1.5x1.5-9 package, the TDFN3x3-8

package’s output power will less than the calculation.

0.1

µF

0.1

µF

Shutdown

Control

4Ω

0.1

µF

10

µF

C

i1

C

i2

V

DD

APA2011/

2011A

SD

DR

INP

INN

GND

OUTP

VDD

OUTN

Differential

Signals

*R

1

V

DD

1

2

3

4

5

6

7

8

*R

DD

1

1

DR

V

10k

R

R

V

×

Ω

+

=

R

C

S2

C

S1

SPK

2

DD

DR

O

R

)

0.5V

2(V

P

*

−

=

0.022

µF

0.022

µF

Shutdown

Control

4Ω

0.1

µF

10

µF

C

i1

C

i2

V

DD

APA2011/

2011A

SD

DR

INP

INN

GND

OUTP

VDD

OUTN

Single-ended

Signals

*R

1

V

DD

1

2

3

4

5

6

7

8

*R

DD

1

1

DR

V

10k

R

R

V

×

Ω

+

=

R

R

i1

R

i2

75k

Ω

75k

Ω

C

S2

C

S1

15dB

20Log5.6

A

5.6(V/V),

5.6

k

25

)

R

&

(R

75k

100k

A

V

i2

i1

V

=

=

=

×

Ω

+

Ω

Ω

=

SPK

2

DD

DR

O

R

)

0.5V

2(V

P

*

−

=