SC7422

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

REV:1.0

2006.11.13

Http: www.silan.com.cn

Page 3 of 8

(Continued)

Characteristics

Symbol

Test conditions

Min.

Typ.

Max.

Unit

Output Offset Voltage

DC Vol = 0V

From +OUT to -OUT

25

50

100

mV

BTL

58

60

63

Supply

Voltage

Ripple

Rejection

SVRR

SE

F=1kHz

52

55

58

dB

Overheat to shutdown

-

120

-

Thermally protected

TH

Return to normal operation

-

80

-

°C

Shutdown = OFF

20%

30%

Input Voltage For Shutdown

Pin

Shutdown = ON

Vcc=3~5V

50%

60%

Vcc

BTL

10%

20%

Input Voltage For

SE/BTL Pin

SE

Vcc=3~5V

80%

90%

Vcc

PIN CONFIGURATION

PIN DESCRIPTION

Pin No.

Pin Name

I/O

Pin Description

1

Shutdown

I

Stand-by control, logic high active

2

--

Supply

3

DC Vol

I

Volume control

4

I

Buffer output of channel 1

5

I

Signal input of channel 1

6

I

Signal input of channel 2

7

I

Buffer output of channel 2

8

GND

--

Ground

9

+OUT2

O

Non inverted loudspeaker output of channel 2

10

--

Supply

11

-OUT2

O

Inverted loudspeaker output of channel 2

12

SE/BTL

I

Output mode control. When this pin is logic high, SE mode is selected.

When it is logic low, BTL mode is selected.

(To be continued)