TECHNICAL NOTE
Video/Audio Interfaces for TV and DVD Recorders
PAL Audio
I/O Interface
BD3825FS
٨Description
BD3825FS is an audio signal switch IC used for PAL DVD-Recorders. BD3825FS supports six input lines which are controlled by the I2C-BUS of video signal LSI BH7624KS2. In addition, BD3825FS has two built-in Function Switch features.
٨Features
1) Vcc = ±5V (for Audio signal), +12V (for Function SW)
Audio SW (C-MOS analog switch configuration)
2) 3 inputs - 1output SW, (2 circuits buil.
PAL Audio I/O Interface
TECHNICAL NOTE
Video/Audio Interfaces for TV and DVD Recorders
PAL Audio
I/O Interface
BD3825FS
٨Description
BD3825FS is an audio signal switch IC used for PAL DVD-Recorders. BD3825FS supports six input lines which are controlled by the I2C-BUS of video signal LSI BH7624KS2. In addition, BD3825FS has two built-in Function Switch features.
٨Features
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.) = 300ȍ
8) 2 Function Switch outputs
٨Applications DVD-Recorder, STB, etc.
٨Absolute maximum ratingsTa=25°C
Parameter
Symbol
Power Supply Voltage1
V1
Power Supply Voltage2 Power Dissipation
V2 Pd
Operating Temperature Range
Topr
Storage Temperature Range *1 Reduced by 9 mW/qC over 25qC.
Tstg
Limits r6.0 13.5 800 *1 -25 +75 -55 +125
Unit V V
mW °C °C
٨Operating range (Ta=25°C)
Parameter
Symbol
Limits
Supply voltage1
Vcc1
r4.5r5.5
Supply voltage2
Vcc2
11.512.5
Note: This IC is not designed to be radiation-resistant.
Unit V V
Ver.B Oct.2005
٨Electrical characteristics (Unless otherwise specified, Vcc1=±5.0V, Vcc2=12V, Ta=25°C)
Limit
Item Symbol
Unit
MIN. TYP. MAX.
whole
Conditions
Circuit Current 1
IATYP1
2.5
5.0
7.5 mA
Vcc1=±5V
Circuit Current 2 AUX, L1_.