AN8946SB Datasheet, PDF (4/10 Pages) Panasonic Semiconductor – FM demodulation IC for BS/CS broadcasting

AN8946SB
ICs for TV
s Electrical Characteristics at T_a = 25°C (continued)
• Design reference data
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter
Symbol
Conditions
Min Typ
Video amp. frequency
characteristic
∆G_VAF PVA in = −10 dBm, G_VA = 7 dB
f = 50 Hz to 10 MHz
 ±0.1
Video amp. phase
PD detection sensitivity
PD frequency characteristic
VCO C/N
PH_VA
Kφ
∆Kφ_F
C/N
f = 50 Hz to 10 MHz, G_VA = 7 dB
f = 402.78 MHz, PIF_M = −50 dBm
f = 400 MHz to 500 MHz
f = 402.78 MHz, ±50 kHz
 ±10
80 90
 ±10
45 48
IF amp. input return loss
RL f = 402.78 MHz
 −15
IF input level
AGC regulation
AGC detection sensitivity
Lock range
Capture range
Demodulation frequency
characteristic
PIF_IN
∆PIF_M
∆V_AGC2
LR
CR
∆V_OF
Pin 24 input level
f = 402.78 MHz
PIF_IN = −50 dBm to −10 dBm
Pin 16 output sensitivity
PIF_IN = −50 dBm to −10 dBm
PIF_IN = −50 dBm to −10 dBm
f = 50 Hz to 10 MHz
−55 −30
 ±0.5
4
5
±18 ±20
±14 ±18
 ±0.2
Demodulation group delay
characteristic
GD f = 50 Hz to 10 MHz
 ±5
Differential gain
DG APL 10% to 90%
 0.5
Differential phase
DP APL 10% to 90%
 0.5
AGC SW level temperature
characteristic
∆P_SWT T_a = 25°C typical
T_a = −10°C to +80°C
Free-run frequency temperature ∆f_OSCT T_a = 25°C typical
characteristic
T_a = −10°C to +80°C
AFC center frequency
temperature characteristic
∆f_AFCT T_a = 25°C typical
T_a = −10°C to +80°C
AFC dead-band width
temperature characteristic
∆BW_AFCT T_a = 25°C typical
T_a = −10°C to +80°C
IF monitor level temperature
characteristic
∆PIF_M T_a = 25°C typical
T_a = −10°C to +80°C
Free-run frequency SW on drift ∆f_OSCSW t = 10 minutes later, referring to 3 s
after V_CC SW on
Video amp. base current
I₁₀ Pin 9 open, R10 - R11 = 100 kΩ
Regulator output voltage
V₂₀ V_CC = 5 V
Regulator output voltage
fluctuation
∆V₂₀ V_CC = 4.5 V to 5.5 V
 ±1.0
 ±0.5
 ±0.5
 +80
−40
 ±0.5
 ±0.2
1.0 2.4
2.4 2.6
 ±5
Max Unit
±0.3 dB
±20 °
100 mv/rad
±20 mv/red
 dB
−10 dB
−5 dBm
±1.0 dB
 V/dB
 MHz
 MHz
±0.5 dB
±10 ns
1.0 %
1.0 °
±2.0 dB
±1.0 MHz
±1.0 MHz
+100 kHz
−50
±1.0 dB
±0.5 MHz
5.2 µA
2.8 V
±15 mV
4