參數(shù)資料
型號(hào): TMC22071A
廠商: Fairchild Semiconductor Corporation
英文描述: Genlocking Video Digitizer
中文描述: 同步鎖相視頻數(shù)字化儀
文件頁數(shù): 6/24頁
文件大?。?/td> 125K
代理商: TMC22071A
PRODUCT SPECIFICATION
TMC22071A
6
Analog Interface
V
REF
38
70
+1.23 V
V
REF
input/output.
+1.23 Volt reference. When the internal voltage
reference is used, this pin should be decoupled to A
GND
with a 0.1
m
F capacitor. An external +1.2 Volt reference may be connected
here, overriding the internal reference source.
Compensation capacitor.
Compensation for DDS D/A converter
circuitry. This pin should be decoupled to V
DDA
with a 0.1
m
F
capacitor.
A/D V
REF
decoupling.
Decoupling points for A/D converter voltage
references. These pins should be decoupled to A
GND
with a 0.1
m
F
capacitor.
COMP
48
88
0.1
m
F
R
T
,R
B
36, 28
68
0.1
m
F
PLL Filter
DDS OUT
45
82
Internal DDS output.
Analog output from the internal Direct Digital
Synthesizer D/A converter, at 1/9 the PXCK frequency.
Horizontal PLL input.
Analog input to the Phase/Frequency
Detector of the horizontal phase-locked loop.
Comparator bypass.
Decoupling point for the internal comparator
reference of the Phase/Frequency Detector. This pin should be
decoupled to A
GND
with a 0.1
m
F capacitor.
PFD IN
43
77
C
BYP
42
75
1
m
F
Power Supply
V
DDA
23, 25,
26, 30,
33, 40,
47
1, 7,18,
22, 52,
58,59,63
49, 51,
52, 60,
64, 73,
87
6, 18,
26, 42,
44, 48,
92, 98,
100
+5 V
Analog power supply.
Positive power supply to analog section.
V
DD
+5 V
Digital power supply.
Positive power supply to digital section.
Ground
A
GND
24, 27,
32, 35,
37, 39,
41, 44,
49,
8, 15,
16, 20,
21, 50,
55-57,
65, 68
50, 55,
63, 67,
69, 72,
74, 81,
89
8, 16,
27, 38,
39, 41,
46, 47,
90, 95-
97
0.0 V
Analog ground.
Ground for analog section.
D
GND
0.0 V
Digital ground.
Ground for digital section.
Pin Definitions
(continued)
Pin Name
Pin Number
68 pin
PLCC
Pin Type
Function
100 pin
MQFP
相關(guān)PDF資料
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