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參數資料
| 型號： | LA7567N |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDIP24 |
| 封裝： | SDIP-24 |
| 文件頁數： | 7/14頁 |
| 文件大小： | 276K |
| 代理商： | LA7567N |
No. 5765-2/14
LA7567N, 7567NM
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
5
V
Operating supply voltage range
VCC op
4.5 to 5.5
V
Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[VIF Block]
Circuit current
I5
40.8
48.0
55.2
mA
Maximum RF AGC voltage
V14H
VCC – 0.5
VCC
V
Minimum RF AGC voltage
V14L
0
0.5
V
Input sensitivity
VIN
S1 = OFF
33
39
45
dBV
AGC range
GR
58
63
dB
Maximum allowable input
VIN max
95
100
dBV
No-signal state video output voltage
V6
3.0
3.3
3.6
V
Synchronizing signal tip voltage
V6 tip
1.15
1.45
1.74
V
Video output level
VO
1.36
1.60
1.84
Vp-p
Black noise threshold voltage
VBTH
0.5
0.8
1.1
V
Black noise clamp voltage
VBCL
1.6
1.9
2.2
V
Video signal-to-noise ratio
S/N
48
52
dB
C-S beat
IC-S
38
43
dB
Frequency characteristics
fC
6 MHz
–3.0
–1.5
dB
Differential gain
DG
3.0
6.5
%
Differential phase
DP
3
5
deg
No-signal state AFT voltage
V13
2.0
2.5
3.0
V
Maximum AFT voltage
V13H
4.0
4.4
5.0
V
Minimum AFT voltage
V13L
0
0.18
1.00
V
AFT detection sensitivity
Sf
20
28
37
mV/kHz
VIF input resistance
Ri
38.9 MHz
1.5
k
VIF input capacitance
Ci
38.9 MHz
3
pF
APC pull-in range (U)
fPU
0.7
1.5
MHz
APC pull-in range (L)
fPL
–1.5
–0.9
MHz
AFT tolerance frequency 1
dfa1
–300
0
+300
kHz
VCO1 maximum variability range (U)
dfu
1.0
1.5
MHz
VCO1 maximum variability range (L)
dfl
–1.5
–1.0
MHz
VCO control sensitivity
B
1.4
2.8
6.0
kHz/mV
[First SIF Block]
Conversion gain
VG
22
28
32
dB
5.5 MHz output level
SO
32
70
110
mVrms
First SIF maximum input
SIN max
50
100
mVrms
First SIF input resistance
RIN (SIF) 33.4 MHz
2
k
First SIF input capacitance
CIN (SIF) 33.4 MHz
3
pF
[SIF Block]
Limiting sensitivity
Vli (lim)
42
48
54
dBV
FM detector output voltage
VO (FM)
5.5 MHz ±30 kHz *
480
680
880
mVrms
AMR rejection ratio
AMR
50
60
dB
Total harmonic distortion
THD
0.3
0.8
%
SIF S/N
S/N (FM)
57
62
[SIF Converter]
Conversion gain
VG (SIF)
8
11
14
dB
Maximum output level
V max
103
109
115
dBV
Carrier suppression ratio
VGR (5.5)
15
21
dB
Oscillator level
VOSC
35
70
mVp-p
Oscillator leakage
OSCleak
14
25
dB
Oscillator stopped current
I4
300
A
Operating Characteristics at Ta = 25°C, VCC = 5 V, fp = 38.9 MHz
Note: *Insert a resistor and capacitor in series between pin 23 and ground to adjust the level to acquire a wide dynamic range in the FM detector output.
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