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Video ICs

SECAM chroma signal processor for

VHS VCRs

BA7207AS / BA7207AK

The BA7207AS and BA7207AK are LSI components that incorporate the contain circuitry required for SECAM chro-

ma signal processing. The ICs have both recording and playback systems and each includes a bell filter, a band-

pass filter, a limiter amplifier, a multiply-by-four circuit, a divide-by-four circuit, and a sync-gate circuit.

SECAM and VHS format video cassette recorders and

camcorders

1) All filters required for SECAM chroma signal pro-

cessing 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.

Parameter

Symbol

Limits

Unit

Power supply voltage

Power dissipation

Storage temperature

7V

BA7207AS

BA7207AK

BA7207AS

BA7207AK

mW

Pd

Topr

°C

Tstg

°C

– 25 ~ + 75

– 25 ~ + 65

– 55 ~ + 125

increase in Ta of 1

°C over 25°C.

Operating temperature

Parameter

Symbol

Min.

Typ.

Max.

Unit

Operating power supply voltage

4.5

5.0

5.5

V