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BA7207AK Datasheet(PDF) 1 Page - Rohm

Part # BA7207AK
Description  SECAM chroma signal processor for VHS VCRs
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BA7207AK Datasheet(HTML) 1 Page - Rohm

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1
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.
Applications
SECAM and VHS format video cassette recorders and
camcorders
Features
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.
Absolute maximum ratings (Ta = 25°C)
Recommended operating conditions (Ta = 25°C)
Parameter
Symbol
Limits
Unit
Power supply voltage
Power dissipation
Storage temperature
VCC
7V
BA7207AS
BA7207AK
BA7207AS
BA7207AK
mW
Pd
Topr
°C
Tstg
°C
1400 (SDIP32)1
– 25 ~ + 75
850 (QFP44)2
– 25 ~ + 65
– 55 ~ + 125
1 Reduced by 14mW 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.
Operating temperature
Parameter
Symbol
Min.
Typ.
Max.
Unit
Operating power supply voltage
VCC
4.5
5.0
5.5
V


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