LY8662

Rev. 1.2

Dual 2.0W/CH Stereo Audio Amplifier include Headphone Function

5F, No. 2, lndustry E . Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan

TEL: 886-3-6668838

FAX: 886-3-6668836

2

®

PIN DESCRIPTION

Pin No.

SYMBOL

QFN

DESCRIPTION

+OUTA

1

Positive BTL output of A channel.

2/11

Power supply.

-OUTA

3

Negative BTL output of A channel.

INA

4

Input of A channel.

GND

5/6/7/13/16 Ground.

BYPASS

8

Bypass capacitor which provides the common mode voltage.

INB

9

Input of B channel.

-OUTB

10

Negative BTL output of B channel.

+OUTB

12

Positive BTL output of B channel.

HP Sense

(Option)

14

Headphone sense pin option.

(If None headphone function must connect to GND).

SHUTDOWN

15

Shutdown the device pin.( when low level is active the pin)