AK2365A Datasheet, PDF (3/33 Pages) Asahi Kasei Microsystems – FM IF Detector with Narrow Band Filter

4. Block Diagram
[AK2365A]
IF_INPUT
IFIP
NC
NC
NC
NC
IFOUT
PDOUT
DISCOUT
MIX
AGC1
BPF0
BPF1
AGC2
BPF2
BPF3 ^IFBUF
Limiter
LPF
DISCRI
AUDIOOUT
NAMPI
Divider
Noise AMP
Control
Logic
LDO
VIREF
RSSI
Noise
Rectifier
Comparator
NAMPO
NRECTO
DETO
AVSS2 AVSS3
LOIN
RSTN SCLK SDATA CSN
LOCAP
PDN VREFA VREFD ^{BIAS AGNDIN AGNDOUT RSSIOUT}
DVDD DVSS
AVSS AVDD
MS1591-E-03
LO_INPUT
-3-
2015/4