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參數(shù)資料
| 型號： | LA7615 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Single-Chip NTSC Color TV IC |
| 中文描述： | 單片集成電路NTSC制式彩電 |
| 文件頁數(shù)： | 2/39頁 |
| 文件大?。?/td> | 206K |
| 代理商： | LA7615 |
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No. 5841-2/39
LA7615
Parameter
Symbol
Conditions
Ratings
Unit
V2 max
9.6
V
Maximum supply voltage
V17 max
9.6
V
V32 max
9.6
V
V60 max
9.6
V
Maximum supply current
I24 max
30
mA
Allowable power dissipation
Pd max
Ta
≤
65°C
1.5
W
Operating temperature
Topr
–10 to +65
°C
Storage temperature
Tstg
–55 to +150
°C
Specifications
Maximum Ratings
at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
V2
7.6
V
Recommended supply voltage
V17
7.6
V
V32
7.6
V
V60
7.6
V
Recommended supply current
I24
24
mA
V2 op
7.3 to 7.9
V
Operating supply voltage range
V17 op
7.3 to 7.9
V
V32 op
7.3 to 7.9
V
V60 op
7.3 to 7.9
V
Operating supply current range
I24 op
20 to 30
mA
Operating Conditions
at Ta = 25°C
Functional Description
<VIF/SIF Functions>
In addition to a PLL synchronous detection system, the IF block also adopts a split system in which the VIF signal and
the SIF signal are processed separately.
Low-level VCO
The LA7615 achieves a significant reduction in beat generation due to interference by lowering the VCO oscillator
level from that used in earlier ICs.
Adjustment-free VCO coil implemented using bus control
By compensating for manufacturing variations in the VCO coil using bus control, the LA7615 eliminates coil
adjustment from the manufacturing line.
Built-in 4.5 MHz trap
The LA7615 incorporates an on-chip trap that also provides a video equalizer function. Thus the number of external
trap, inductor, and capacitor components is reduced.
Built-in SIF FM detector: 4.5 MHz quadrature detection
The video signal and FM demodulated signal levels can be controlled from the serial bus.
The improved precision associated with controlling the output level over the serial bus makes it easier to design the
interface with the following stage.
Built-in buzz canceler
Allows high performance to be maintained even during stereo reception.
Built-in video switch (INT/EXT(AUX) switching circuit)
Built-in AUX input switching circuit means that the dedicated switching ICs required can be reduced. Also, the ability to
control this switch from the serial bus makes it easier to design the peripheral wiring pattern.
Dedicated IF video signal output pin
The provision of this pin makes it easier to design end products that support PIP and similar features.
<Luminance and Chrominance Circuits>
These blocks have been designed to minimize the use of external components as much as possible. The filter circuits are
now integrated on the same chip, and not only the adjustment circuits, but also the function selection and characteristics
modifications functions can be controlled over the serial bus. As a result, basically all the signal processing from input to
output can be performed with only the addition of the chrominance circuit VCO crystal and the APC filter circuit.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LA7620 | Color TV Video, Chroma, Deflection Circuit |
| LA7625 | Video, Chroma and Deflection Circuit for Color Television Sets |
| LA7629 | Color TV/Video,Chroma,Deflection Circuit |
| LA7640N | Chroma Circuit for SECAM-system Color Television Sets |
| LA7642N | SECAM Format Color TV Chrominance Circuit |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA7620 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Color TV Video, Chroma, Deflection Circuit |
| LA7621 | 制造商:Panasonic Industrial Company 功能描述:IC |
| LA7625 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video, Chroma and Deflection Circuit for Color Television Sets |
| LA7626 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video, Chroma and Deflection Circuit for Color Television Sets |
| LA7629 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Color TV/Video,Chroma,Deflection Circuit |
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