AK2365 Datasheet, PDF (13/31 Pages) Asahi Kasei Microsystems – dPMR Filterless IF LSI

[AK2365]
13. Analog Characteristics
For the following conditions unless otherwise specified: Mode 6, LOIN=50.4MHz,IFIP=50.85MHz,
Δf=±1.5kHz, fmod=1kHz、AGC+BPF=F2, {AGC_OFF}=0, the exposure back pad of the package is
connected to VSS, with the external circuit shown in example page 26 to 28.
1) Local
Parameter
Symbol Condition Min.
Local Frequency
F_LO LOIN
Input amplitude
V_LO LOIN
0.2
Note 1) Input from LOIN pin through DC cut
Typ.
45.9
50.4
57.6
Max.
2.0
Units
MHz
V_PP
Notes
Note 1)
2) 2nd Mixer
Parameter
Input Impedance
Condition
Input Frequency
Voltage Gain
Note 2) Include external matching circuit
Min. Typ. Max. Units Notes
50
F_LO
+0.45
28
Ω
MHz
dB
Note 2)
3) Discriminator
Parameter
Condition
Δf=±3.0kHz,fmod=1kHz,
LIMITER IN to AUDIOOUT
Demodulation
{BAND}=1
Output Level
Δf=±1.5kHz,fmod=1kHz,
LIMITER IN to AUDIOOUT
{BAND}=0
Δf=±3.0kHz,fmod=1kHz,
S/N Ratio
Vin=-16dBm
LIMITER IN to AUDIOOUT
{BAND}=1
Note 3) With De-emphasis＋BPF(0.3 to 3kHz)
Min. Typ. Max. Units Notes
70
100
130 mVrms
70
100
130 mVrms
43
50
dB Note 3)
MS1453-E-01
- 13 -
2012/10