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參數(shù)資料
| 型號(hào)： | LA7567BVA |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24 |
| 封裝： | 0.225 INCH, SSOP-24 |
| 文件頁(yè)數(shù)： | 12/20頁(yè) |
| 文件大?。?/td> | 184K |
| 代理商： | LA7567BVA |
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Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[VIF Block]
Circuit current
I5
40.8
48
55.2
mA
Maximum RF AGC voltage
V14H
VCC –0.5
VCC
V
V14L
0
0.5
V
Input sensitivity
VI
S1 = OFF
27
33
39
dBV
AGC range
GR
58
63
dB
Maximum allowable input
VI max
95
100
dBV
No signal voltage output voltage
V6
2.7
3.0
3.3
V
Sync. signal tip voltage
V6tip
0.4
0.7
1.0
V
Video output level
VO
1.7
2
2.3
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 SNR
S/N
48
52
dB
C-S beating
IC–S
38
43
dB
Frequency characteristics
fc
6MHz
–3
–1.5
dB
Differential gain
DG
3
6.5
%
Differential phase
DP
35
C
No signal 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
0.18
1.0
V
AFT detection sensitivity
Sf
17
25
34
mV/kHz
VIF input resistance
Ri
38.9MHz
1.5
k
VIF input capacitance
Ci
38.9MHz
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
dfa1
–250
0
+200
kHz
VCO 1 maximum variability (U)
dfu
1.0
1.5
MHz
VCO 1 maximum variability (L)
dfl
–1.5
–1
MHz
VCO control sensitivity
B
1.6
3.2
6.4
kHz/mV
Synchronization ratio
VS
25.0
28.5
31.5
%
[First SIF Block]
Conversion gain
VG
22
28
32
dB
5.5MHz output level
SO
32
70
110
mVrms
First SIF maximum input
Si max
50
100
mVrms
First SIF input resistance
Ri (SIF)
33.4MHz
2
k
First SIF input capacitance
Ci (SIF)
33.4MHz
3
pF
[SIF Block]
Limiting sensitivity
Vli (lim)
42
48
54
dBV
FM detector output voltage*
VO (FM)
5.5MHz ± 30kHz
470
600
760
mVrms
AMR
50
60
dB
Total harmonic distortion
THD
0.3
0.8
%
SIF S/N
S/N (FM)
57
62
dB
[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 stop current
I4
300
A
No.7939-2/20
LA7567BVA
Recommended Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Rated value
Unit
Recommended supply voltage
VCC
5V
Operating supply voltage
VCC op
4.5 to 5.5
V
Electrical Characteristics at Ta = 25°C, VCC = 5V, fp = 38.9MHz
*: To acquire the maximum dynamic range from the FM detector, insert a resistor and capacitor in series between pin 23 and ground to adjust the level.
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