BA7207AS
BA7207AS is SECAM chroma signal processor for VHS VCRs manufactured by ROHM.
Features
- 1) All filters required for SECAM chroma signal processing are provided. 2) Built-in chroma killer circuit.
3) Built-in switch circuit for selecting PAL chroma or SECAM chroma for the PB / REC system output.
- Absolute maximum ratings (Ta = 25°C)
Parameter Power supply voltage Power dissipation Operating temperature Storage temperature BA7207AS BA7207AK BA7207AS BA7207AK Symbol VCC Pd Limits 7 1400 (SDIP32)∗1 850 (QFP44)∗2
- 25 ~ + 75
- 25 ~ + 65
- 55 ~ + 125 Unit V m W °C °C
Topr Tstg
∗1 Reduced by 14m W for each increase in Ta of 1°C over 25°C . ∗2 When mounted on a 70mm × 70mm, t = 1.6mm glass epoxy board, reduced by 8.5W for each increase in Ta of 1°C over 25°C.
- Remended operating conditions (Ta = 25°C)
Parameter Operating power supply voltage Symbol VCC Min. 4.5 Typ. 5.0 Max. 5.5 Unit V
Video ICs
BA7207AS / BA7207AK
- Block diagram
PALRIN RECOUT
BA7207AS (SDIP32)
VREG TRAP
ABELO
CREF1
CREF2
CREF3
RECH
× 4O
PBIN
LAIN
MODE...
