AK2365A Datasheet, PDF (28/33 Pages) Asahi Kasei Microsystems – FM IF Detector with Narrow Band Filter

[AK2365A]
4) VREFA output
It is recommended that capacitors with 220nF or lager be connected between AVSS and VREFA
pin to stabilize the VREFA signal. The capacitors must be placed as close to the pins as possible.
6 VREFA
C1
C1=220nF
LSI
AVSS
5) VREFD output
It is recommended that capacitors with 220nF or lager be connected between DVSS and VREFD
pin to stabilize the VREFD signal. The capacitors must be placed as close to the pins as possible.
27 VREFD
C1
C1=220nF
LSI
DVSS
6) MIX
1
IFIP
C2
R1
LSI
C1 _{IF_INPUT}
C1=22pF, L1=470nH for 45.90.45MHz
L1
C1=18pF, L1=470nH for 50.40.45MHz
C1=13pF, L1=470nH for 57.60.45MHz
C2=10nF
R1=750
7) LOIN
32 ^LOIN
C1
C2
31 LOCAP
AVSS
LO_INPUT
C1=C2=100pF
LSI
MS1591-E-03
- 28 -
2015/4