3

Multimedia ICs

BA7786FP-Y / BA7787FS

20

19

18

17

16

15

11

1

2

3

4

5

6

9

10

14

13

12

7

8

VR

VR

BA7787FS

1

EVR CTRL

EVR control pin

2

LINE IN L

Line Lch input

B (PNP)

B (PNP)

23.5k

Ω

B (NPN)

B (NPN)

B (NPN)

B (PNP)

B (PNP)

EF (NPN)

EF (NPN)

EF (NPN)

—

—

EF (NPN)

—

B (NPN)

3

MUTE CTRL

Headphone mute control

100k

Ω PULL UP

4

LINE IN R

Line Rch input

5

BIAS

Bias

6

SYSTEM BEEP IN

SYSTEM BEEP input

7

SP IN

Speaker input

8

PM BEEP IN

PM BEEP input

9

HP SUSPEND

Headphone SUSPEND control

10

SP SUSPEND

Speaker SUSPEND control

11

SP GND

Speaker ground

12

LINE MIX ON / OFF

SP IN input ON / OFF control

100k

Ω PULL UP

C (PNP) ~ 3k

Ω

13

SP OUT2

BTL speaker output (reverse)

14

SP OUT1

BTL speaker output (forward)

15

BEEP LEVEL

16

Speaker Vcc

17

HP GND

Headphone ground

18

HP OUT R

Headphone Rch output

19

HP OUT L

Headphone Lch output

20

Headphone Vcc

—

SYSTEM BEEP IN output level setting

Pin No.

Pin name

Function

Pin voltage

Pin type

—

2.5

5.0

2.5

2.5

2.5

2.5

2.5

—

—

0.0

5.0

2.5

2.5

4.2

5.0

0.0

2.5

2.5

5.0

Note) The pin formats are as follows. EF: emitter follower, B: base, C: collector, ~ : series connection.

and do not guarantee standards.

BA7787FS