BH7624KS2_05 Datasheet, PDF (1/17 Pages) Rohm – PAL Video I/O Interface

TECHNICAL NOTE
Video/Audio Interfaces for TV and DVD Recorders
PAL Video
I/O Interface
BH7624KS2
Ù¨Description
BH7624KS2 is a PAL video signal input switch for DVD-Recorder applications. It supports I²C-BUS, 75ȍ driver, PAL
control functions with fast blinking, I/O BUS port, and the control for BD3825FS audio signal system switch. A built-in
scart terminal is incorporated.
Ù¨Features
1) Vcc 5V Single
2) I²C-BUS control (Input switch to high impedance at power-off)
3) BD3825FS control function built-in
4) Built-in three parallel bus control terminal
5) Standby mode
6) CVBS/Y 5 inputs, 5 Bottom Clamp circuits, with Mute function
1 output 0/2dB AMP + Buffer
2 outputs 6/8dB AMP + 75ȍ driver
1 output 0/6dB AMP + Buffer (for VPS, PDC)
7) Chroma 2 inputs, 2 BIAS circuits, with Mute function
2 outputs 6/8dB AMP + 75ȍ driver control
3 outputs Buffer + 8 order LPF (Record)
8) Each SW independent actuation and all the SW simultaneous actuation are possible for the mute circuit,
9) Playback order LPF 6 circuits built-in
10) Record 8 order LPF 3 circuits built-in
11) Fast blanking circuit built-in
12) Function SW Input, 2 circuit built-in
13) Crosstalk -60dB Typ.
14) DG/DP 0.5%/0.5deg Typ.
Ù¨Applications
DVD-Recorder, STB, etc.
٨Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
Unit
Power supply voltage
V
7.0
V
Power dissipation
Pd
1300 *1
mW
Operating temperature range Topr
-25 㨪 +65
°C!
Storage temperature range
Tstg
-55 㨪 +125
°C!
*1 Reduced by 13 mW/qC over 25qC.
٨Operating range (Ta=25°C)
Parameter
Symbol
Limits
Unit
Supply voltage
Vcc1, Vcc2, VDD
4.75 㨪 5.25
V
Ver.B Oct.2005