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參數(shù)資料
| 型號： | AN8946SB |
| 廠商： | PANASONIC CORP |
| 元件分類： | 接收器 |
| 英文描述： | FM demodulation IC for BS/CS broadcasting |
| 中文描述： | FM, AUDIO DEMODULATOR, PDSO28 |
| 封裝： | 0.375 INCH, PLASTIC, SSOP-28 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 86K |
| 代理商： | AN8946SB |
AN8946SB
ICs for TV
4
I
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
Max
Unit
Video amp. frequency
characteristic
G
VAF
PVA in
=
10 dBm, G
VA
=
7 dB
f
=
50 Hz to 10 MHz
±
0.1
±
0.3
dB
Video amp. phase
PH
VA
K
φ
K
φ
F
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
f
=
402.78 MHz
±
10
±
20
°
PD detection sensitivity
80
90
100
mv/rad
PD frequency characteristic
±
10
±
20
10
5
±
1.0
mv/red
VCO C/N
C/N
45
48
dB
IF amp. input return loss
RL
55
15
30
±
0.5
dB
IF input level
PIF
IN
PIF
M
Pin 24 input level
dBm
AGC regulation
f
=
402.78 MHz
PIF
IN
=
50 dBm to
10 dBm
Pin 16 output sensitivity
dB
AGC detection sensitivity
V
AGC2
4
5
±
0.5
V/dB
Lock range
LR
PIF
IN
=
50 dBm to
10 dBm
PIF
IN
=
50 dBm to
10 dBm
f
=
50 Hz to 10 MHz
±
18
±
14
±
20
±
18
±
0.2
MHz
Capture range
CR
MHz
Demodulation frequency
characteristic
V
OF
dB
Demodulation group delay
characteristic
GD
f
=
50 Hz to 10 MHz
±
5
±
10
ns
Differential gain
DG
APL 10% to 90%
0.5
1.0
%
Differential phase
DP
APL 10% to 90%
0.5
1.0
°
AGC SW level temperature
characteristic
P
SWT
T
a
=
25
°
C typical
T
a
=
10
°
C to
+
80
°
C
T
a
=
25
°
C typical
T
a
=
10
°
C to
+
80
°
C
T
a
=
25
°
C typical
T
a
=
10
°
C to
+
80
°
C
±
1.0
±
2.0
dB
Free-run frequency temperature
characteristic
f
OSCT
±
0.5
±
1.0
MHz
AFC center frequency
temperature characteristic
f
AFCT
±
0.5
±
1.0
MHz
AFC dead-band width
temperature characteristic
BW
AFCT
T
a
=
25
°
C typical
T
a
=
10
°
C to
+
80
°
C
PIF
M
T
a
=
25
°
C typical
T
a
=
10
°
C to
+
80
°
C
f
OSCSW
t
=
10 minutes later, referring to 3 s
after V
CC
SW on
Pin 9 open, R10 - R11
=
100 k
V
CC
=
5 V
V
20
V
CC
=
4.5 V to 5.5 V
+
80
40
±
0.5
+
100
50
±
1.0
kHz
IF monitor level temperature
characteristic
dB
Free-run frequency SW on drift
±
0.2
±
0.5
MHz
Video amp. base current
I
10
1.0
2.4
5.2
μ
A
Regulator output voltage
V
20
2.4
2.6
2.8
V
Regulator output voltage
fluctuation
±
5
±
15
mV
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