AK2365A Datasheet, PDF (5/33 Pages) Asahi Kasei Microsystems – FM IF Detector with Narrow Band Filter

[AK2365A]
6. Pin/Function
Package
Pin No Name
1 IFIP
2 NC
3 NC
4 NC
5 NC
6
VREFA
7 AVSS
8 AVDD
9 BIAS
10 NRECTO
11 NAMPO
12 NAMPI
13 AUDIOOUT
14 DISCOUT
15 PDOUT
16 RSSIOUT
17 IFOUT
18 AVSS2
19 PDN
20 RSTN
21 CSN
22 SCLK
23 SDATA
24 DETO
25 DVDD
26 DVSS
27 VREFD
28 AVSS3
29 AGNDOUT
30 AGNDIN
31 LOCAP
32 LOIN
Signal
Type
AI
AIO
AIO
AIO
AIO
AO
PWR
PWR
AO
AI
AO
AI
AO
AO
AO
AO
AO
PWR
DI
DI
DI
DI
DB
DO
PWR
PWR
AO
PWR
AO
AI
AI
AI
Conditions
at power
down
Note 1)
Z
Z
Z
Z
Low
-
-
Z
Note 2)
Z
Z
Note 3)
Note 4)
Z
Z
Note 5)
-
Z
Z
Z
Z
Z
Z
-
-
Low
-
Low
Low
Note 6)
Note 6)
Function
IF signal input pin
NC pin
NC pin
NC pin
NC pin
LDO reference pin
Connect the capacitor to stabilize LDO reference voltage.
Analog VSS power supply pin
Analog VDD power supply pin
Output pin to connect bias resistor for reference voltage
Output pin for the rectification circuit
Output pin for noise squelch amplifier
Input pin for noise squelch amplifier
Demodulated audio signal output pin
Pin2 for Discriminator Low-pass filter
Pin1 for Discriminator Low-pass filter
Output pin to connect capacitor for Received Signal Strength
Indicator(RSSI)
Output pin for IFBUF
Analog VSS power supply pin
Power down pin for LDO
Hardware reset pin
Chip select input pin for serial data
Clock input pin for serial data
Input and output pin for serial data
Signal detect output pin
Digital VDD power supply pin.
Digital VSS power supply pin.
LDO reference pin
Connect the capacitor to stabilize LDO reference voltage.
Analog VSS power supply pin
Analog ground output pin.
Connect the capacitor to stabilize the analog ground level.
Analog ground input pin.
Connect the capacitor to stabilize the analog ground level.
Local signal input pin
Local signal input pin
Note A: Analog, D: Digital, PWR: Power, I: Input, O: Output, B: Bidirectional, Z: High-Z, L: Low
Note 1) Connecting internally to VSS pin by 50k
Note 2) Connecting internally to VDD pin by 720k
Note 3) Connecting internally to VSS pin by 830k
MS1591-E-03
-5-
2015/4