TECHNICAL NOTE

Video/Audio Interfaces for TV and DVD Recorders

PAL Audio

I/O Interface

BD3825FS

Description

BD3825FS is an audio signal switch IC used for PAL DVD-Recorders. BD3825FS supports six input lines which are

controlled by the I

Features

1)

Vcc = ±5V (for Audio signal), +12V (for Function SW)

Audio SW (C-MOS analog switch configuration)

2)

3 inputs - 1output SW, (2 circuits built-in with MUTE function)

3)

2 inputs - 1output SW, (2 circuits built-in with MUTE function)

4)

THD (typ.)

=

0.007%

5)

S/N (typ.)

=

90dB

6)

Crosstalk (typ.)

=

90dB

7)

ON resistance (max.) =

300

8)

2 Function Switch outputs

Applications

DVD-Recorder, STB, etc.

Absolute maximum ratings

Ta=25°C

Parameter

Symbol

Limits

Unit

Power Supply Voltage1

6.0

V

Power Supply Voltage2

13.5

V

Power Dissipation

Pd

800

*1

mW

Operating Temperature Range

Topr

-25

+75

°C

Storage Temperature Range

Tstg

-55

+125

°C

*1 Reduced by 9 mW/ C over 25 C.

Operating range (Ta=25°C)

Parameter

Symbol

Limits

Unit

Supply voltage1

Vcc1

4.5

5.5

V

Supply voltage2

Vcc2

11.5

12.5

V

Note: This IC is not designed to be radiation-resistant.

Ver.B Oct.2005