AK4709 Datasheet, PDF (15/42 Pages) Asahi Kasei Microsystems – Low Power AV SCART Switch

[AK4709]
Mode
0
1
2
3
4
PDN pin
“L”
“H”
“H”
“H”
“H”
AUTO bit
x
1
0
0
0
STBY bit
x
x
1
1
0
MUTE bit
x
x
1
0
1
5
“H”
0
0
0
Note 19. TVOUTL/R are muted by Mute bit in the default state.
Mode
Full Power-down
Auto Startup mode
(Power-on default)
Standby & Mute
Standby
Mute (Note 19)
(AMP power down)
Normal operation
(AMP operation)
Table 2. Operation Mode Settings (x: Don’t Care)
Mode
0 Full Power-down
1
Auto Startup mode
(Power-on default)
No video
input
Video input
(Note 21)
Register
Control
NOT
available
Audio
Charge pump
Power down
Active
Video
Output
Hi-Z
Active
(Note 22)
Hi-Z
2 Standby & mute
Power down Active
(Note 25)
TVFB
Hi-Z
VCRSB
TVSB
Pull
-down
(Note 20)
Power
Consumption
1mW (typ)
2.5mW(typ)
290mW(typ)
(Note 23)
2.5mW(typ)
(Note 24)
260mW (typ)
(Note 23)
Hi-Z
3 Standby
Available
Active
Active
(Note 25)
4
Mute
(AMP power down)
Hi-Z
Power down Active
(Note 25)
5
Normal operation
(AMP operation)
No video
input
Video input
Power down
Active
Hi-Z
Hi-Z
Active
(Note 25)
Active
Active
2.5mW (typ)
(Note 24)
290mW(typ)
(Note 23)
2.5mW(typ)
(Note 24)
260mW (typ)
(Note 23)
2.5mW(typ)
2.5mW(typ)
290mW(typ)
(Note 23)
Note 20. Internally pulled down by 120kΩ (typ) resistor.
Note 21. Video input to TVVIN or VCRVIN.
Note 22. VCRC output 0V for termination.
Note 23. All video outputs active.
Audio Output: 1kHz 2Vrms output, Video Output: 100% color bar output.
Slow Blanking (default setting): SBIO1-0 bits= “00”, SBT1-0 bits= “00”, SBV1-0 bits= “00”
Note 24. All video Amp power down.
Note 25. The video output status is Hi-Z (default) when output enable register (05H) is “0”, and it is Active when output
enable register (05H) is “1”.
Table 3. Status of each operation mode
MS1319-E-00
- 15 -
2011/07