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參數(shù)資料
| 型號： | SAA7152 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 信號分離 |
| 英文描述： | Digital Video Comb Filter DCF |
| 中文描述： | Y/C SEPARATOR IC, PQCC44 |
| 封裝： | PLASTIC, MO-047AC, SOT-187-2, LCC-44 |
| 文件頁數(shù)： | 2/15頁 |
| 文件大?。?/td> | 77K |
| 代理商： | SAA7152 |
August 1996
2
Philips Semiconductors
Product specification
Digital Video Comb Filter (DCF)
SAA7152
FEATURES
Comb filter circuit for luminance and chrominance
separation
Applicable for standards
– PAL B/G, M and N
– PAL 4.43 (525 lines, 60 Hz)
– NTSC M and N
– NTSC 4.43 (50 and 60 Hz)
Luminance and chrominance bypasses with short delay
in case of no filtering
Line-locked system clock; CCIR-compatible
I
2
C-bus controlled
GENERAL DESCRIPTION
The CMOS digital comb filter circuit is located between
video analog-to-digital converters and the video
multistandard decoder SAA7151B (not applicable for
SAA7191B). The two-dimensional filtering is only
appropriate for standard signals from a source with
constant phase relationship between subcarrier signal and
horizontal frequency. The comb-filter has to be switched
off for VTR-signals and for separate VBS and C signals. In
VCR and S-Video operation the luminance low-pass and
the chrominance bandpass parts can still be used for noise
reduction purposes. The processing delay is:
21
×
LL27 clocks in active mode, or
3
×
LL27 in short delay bypass mode (BYPS = 1)
QUICK REFERENCE DATA
ORDERING INFORMATION
Note
1.
SOT187-2; 1997 January 06.
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
V
DD
I
P
V
i
V
o
LL27
T
amb
supply voltage (pins 11, 34, 44)
total supply current
input levels
output levels
typical system clock frequency
operating ambient temperature range
4.5
TTL-compatible
TTL-compatible
0
5.0
85
5.5
180
V
mA
27
70
MHz
°
C
EXTENDED
TYPE NUMBER
PACKAGE
PINS
PIN POSITION
MATERIAL
CODE
SAA7152
44
PLCC
plastic
SOT187
(1)
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