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參數資料
| 型號： | LA76818A |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDIP54 |
| 封裝： | 0.600 INCH, DIP-54 |
| 文件頁數： | 12/44頁 |
| 文件大小： | 289K |
| 代理商： | LA76818A |
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LA76818A
No.8047-2/44
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
V8 max
7.0
V
V31 max
7.0
V
Maximum supply voltage
V43 max
7.0
V
I18 max
25
mA
Maximum supply current
I25 max
35
mA
Allowable power dissipation
Pd max
Ta
≤ 65°C *
1.6
W
Operating temperature
Topr
-10 to +65
°C
Storage temperature
Tstg
-55 to +150
°C
* When mounted on a 114.3
×76.1×1.6 mm3 glass epoxy board.
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
V8
5.0
V
V31
5.0
V
Recommended supply voltage
V43
5.0
V
I18
19
mA
Recommended supply current
I25
27
mA
V8 op
4.7 to 5.3
V
V31 op
4.7 to 5.3
V
Operating supply voltage range
V43 op
4.7 to 5.3
V
I25 op
24 to 30
mA
Operating supply current range
I18 op
17 to 21
mA
Electrical Characteristics Ta = 25
°C, VCCL = V8 = V31 = V43 = 5.0V, ICC = I18 = 19mA, ICC = I25 = 27mA
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Circuit voltage, current
IF supply current
I8
V8 = 5V, V3 = 2.5V
55.0
65.0
75.0
mA
RGB supply voltage
V18
I18 = 19mA
7.8
8.2
8.5
V
Horizontal supply voltage
V25
I25 = 27mA
4.8
5.1
5.4
V
CCD supply current
I31
I31 = 5V
5.6
mA
Video supply current
I43
I43 = 5V
125.0
140.0
155.0
mA
VIF block
Maximum RFAGC voltage
VRFH
CW = 80dB
, DAC = 0
8.5
9
Vdc
Minimum RFAGC voltage
VRFL
CW = 80dB
, DAC = 63
0
0.3
0.7
Vdc
(@DAC = 0)
RFAGC0
DAC = 0
90
dB
RF AGC
Delay Pt
(@DAC = 63)
RFAGC63
DAC = 63
80
dB
Input sensitivity
Vi
Output-3db
46
dB
No-signal video output voltage
VOn
No signal
3.4
3.7
4.0
Vdc
Sync signal tip level
VOtip
CW = 80dB
1.1
1.4
1.7
Vdc
Video output amplitude
VO
80dB
, AM = 78%, fm = 15kHz
1.95
2.05
2.15
Vp-p
Video S/N
S/N
CW = 80dB
40
45
dB
C-S beat level
IC-S
V4.43MHz/V1.07MHz
35
dB
Differential gain
DG
80dB
, 87.5% Video MOD
5.0
10.0
%
Differential phase
DP
80dB
, 87.5% Video MOD
1.0
10.0
deg
Maximum AFT output voltage
VAFTH
CW = 80dB
, frequency variations
4.3
4.7
5
Vdc
Minimum AFT output voltage
VAFTL
CW = 80dB
, frequency variations
0.0
0.3
0.7
Vdc
AFT detection sensitivity
VAFTS
CW = 80dB
, frequency variations
8.0
15.0
22.0
mV/kHz
APC pull-in range (U)
fPU
1.0
MHz
APC pull-in range (L)
fPL
1.0
MHz
Continued on next page.
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