LV4912GP

No.A1173-4/11

Block Diagram and Application Circuit Example (RL = 4Ω)

LV4912GP Application (RL = 4Ω)

Part List

Parts Name

Part No.

Description Function

CVD

C1

Power supply capacitor for VD

CVD

C2, C3

High-frequency cut capacitor for VD

CIN

C4, C5

Input capacitor

CMUTE

C6

Capacitor for soft mute

CBIASCAP

C7

Input coupling capacitor for Internal power supply (VBIAS)

LO

L1, L2

Output L. P. F. coil

CO

C8, C9, C10

Output L. P. F. capacitor

Pin Assignments

PRE_VD

PRE_GND

VIN-

VIN+

NC

NC

PWR_VD

TEST2

STBY

TEST1

NC

Top view

MUTE

2

3

5

4

1

24

23

22

21

20

19

78

9

10

11

12

6

17

16

14

15

18

13

RECEIVER

SEQUENCE

VBIAS

C6

1

µF

C7

1

µF

C5

1

µF

C3

1

µF

C4

1

µF

IREF

SUPPLY

Under Voltage

Protection

Over Current

Protection

Thermal

Protection

VCC

CONTROL

DELAY

OUTPUTSTAGE

OUTPUTSTAGE

0-5V

STBY

IN+

PRE_VD

IN-

0-5V

MUTE

MUTECAP

BIASCAP

+

PRE_GND

PWR_VD

PWR_GND

OUT+

OUT-

C1

100

µF

C10

1

µF

C8

0.33

µF

22

µH

L1

22

µH

L2

C9

0.33

µF

VD

RL

C2

1

µF