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參數(shù)資料
| 型號： | LA7688 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Single-Chip CTV Signal-Processing Circuit for PAL and NTSC Formats |
| 中文描述： | 單芯片中視信號為PAL和NTSC處理電路格式 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 106K |
| 代理商： | LA7688 |
Overview
The LA7688 integrates VIF, SIF, video, chrominance, and
deflection processing circuits for PAL/NTSC format TV
sets on a single chip and is provided in a 52-pin shrink
package.
The VIF and SIF circuits achieve semi-adjustment-free
operation, and are adjustment-free except for the VCO coil
and the RF AGC circuit. The chrominance circuit can be
made adjustment-free by using the LC89950 1H delay line
IC. All the signal processing required for a multi-format
color TV can be implemented by combining this product
with the LA7642 SECAM decoder IC.
Features
[VIF]
[SIF]
[VIDEO]
PLL detector Buzz canceller
PLL detector Audio switch
Built-in trap Built-in DL
Aperture control
Video switch (SVO output)
Black expansion
PAL/NT Base band processing
(adjustment free)
Built-in bandpass filter
Specifications
Maximum Ratings
at Ta = 25°C
[CHROMA]
[OSD]
[DEF]
Analog OSD
Automatic 50/60 Hz discrimination
Fixed vertical size Double AFC
Built-in sync separator circuit
[Other features] Sandcastle pulse (for the 1H delay line)
fsc output (for SECAM systems)
Primary color output
Package Dimensions
unit: mm
3218-DIP52S
Monolithic Linear IC
LA7688
Ordering number : EN5635
82097HA(OT) No. 5635-1/6
SANYO: DIP52S
[LA7688]
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
Single-Chip CTV Signal-Processing Circuit
for PAL and NTSC Formats
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
40
max
V
45
max
I
24
max
I
26
max
I
32
max
I
26
min
Pd max
9
V
9
V
Maximum supply current
16
mA
FBP input current
5
mA
10
mA
FBP input voltage
–5
V
Allowable power dissipation
Ta
≤
65°C When mounted on a printed circuit board
*
1.3
W
Operating temperature
Topr
–10 to +65
°C
Storage temperature
Tstg
–55 to +150
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
V
40
V
45
I24
7.6
V
7.6
V
Recommended supply current
12
mA
Operating voltage range
V
40
op
V
45
op
I
24
op
7 to 8.2
V
7 to 8.2
V
Operating current range
10 to 16
mA
Operating Conditions
at Ta = 25°C
Note :
*
Printed circuit board size: 83
×
86
×
1.5 mm, material: Bakelite
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