AK4702EQ Datasheet, PDF (35/39 Pages) Asahi Kasei Microsystems – 2ch DAC with AV SCART switch

ASAHI KASEI
4. External Circuit Example
Analog Audio Input pin
300ohm
Analog Audio Output pin
MONOOUT
TVOUTL/R
VCROUTL/R
(Cable)
0.47µF
10µF
300ohm (Cable)
[AK4702EQ]
MONOIN
TVINL/R
VCRINL/R
Analog Video Input pin
Total > 4.5kohm
75ohm
(Cable)
75ohm
0.1µF
ENCV, ENCY, VCRVIN,
TVVIN, ENCRC, ENCC,
VCRRC, ENCG, VCRG,
ENCB, VCRB
Analog Video Output pin (Except RFV pin)
TVVOUT, TVRC
TVG, TVR
VCRVOUT, VCRC
75ohm
max
15pF
(Cable)
max
400pF
75ohm
Analog Video Output pin (RFV pin)
The AK4702 does not have 75ohm driver. Please use an external buffer if the input impedance of the
RF modulator is less than 20kohm.
RFV
Buffer
Zin>20kohm
RF Modulator
Max 15pF
MS0424-E-00
- 35 -
2005/09