參數資料
型號: TMC2072KHC
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 消費家電
英文描述: Genlocking Video Digitizer
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝: MQFP-100
文件頁數: 17/21頁
文件大小: 160K
代理商: TMC2072KHC
PRODUCT SPECIFICATION
TMC2072
REV. 1.0.4 6/19/01
17
Switching Characteristics
(for standard temperature range)
System Performance Characterlstics
Note:
1. NTSC/PAL compliant black burst at nominal input level
±
10%, frequencies nominal
±
10 ppm.
Figure 16. Typical Interface Circuit
Parameter
t
DO
t
HO
f
PCK
f
PXCK
Conditlons
C
LOAD
= 35 pF
Min.
2
3
12
24
Typ.
Max.
15
8
15.3
27.4
30.6
Unit
ns
ns
MHz
MHz
Output Delay Time
Output Hold Time
Pixel Rate
Master Clock Rate
TMC2072
TMC2072-1
27 MHz
27 MHz
For low-jitter video source,
Lead - Lag = 80h
For low-jitter video source,
Lead - Lag = 80h
FLIPPX = 0, FLIPLDV = 0
XDLY = 0, VDLY = 0
t
PWHPX
t
PWHPX
t
DH
PXCK Pulse Width, LOW
PXCK Pulse Width, HIGH
Horizontal Sync to GHSYNC
12
12
ns
ns
pxck
14
t
VD
Vertical Sync to GVSYNC
14
pxck
t
XL
t
XV
PXCK LOW to LDV HIGH
PXCK LOW to LDV LOW
10
6
ns
ns
Parameter
E
SCH
E
SCP
t
AL
V
XT
Min.
Typ.
Max.
±
3
±
2
2
-35
Unit
ns
degrees
frames
dB
Sync time-base variation
1
Subcarrier Phase Error
1
Line-lock Acquisition Time
Channel-to-Channel Crosstalk @3.58 Mhz
10
μ
F
+5V
Digital Supply Plane
Analog Supply Plane*
Ferrite Bead
+5V
+5V
75
VIN1
VREF
RT
RB
CVBS7:0
GHSYNC
GVSYNC
PXCK
CBYP
DGND
DDS OUT
MICROPROCESSOR
INTERFACE
TMC2072
Genlocking
Video Digitizer
D
I
PFD IN
COMP
VDDVDDA
AGND
VIN2
VIN3
EXT PXCK
CLK IN
CLK OUT
PXCK SEL
I
V
R
S
S
S
Video A
Video B
Video C
20 MHz, TTL
and
must be connected
via low-impedance path
*section of supply plane beneath
analog interface circuitry
75
75
3.3
μ
F
3.3
μ
F
3.3
μ
F
LPF
LPF
LPF
10
μ
F
6.8 pF
10
μ
H
150 pF
390
pF
0.01
μ
F
0.1
μ
F
0.1
μ
F
0.1
μ
F
LM385-1.2
0.1
μ
F
8
0.1
μ
F
0.1
μ
F
0.1
μ
F
3.3K
LDV
65-2072-16
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