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參數(shù)資料
| 型號： | CXD2043 |
| 廠商： | Sony Corporation |
| 英文描述： | Digital Comb Filter (NTSC) |
| 中文描述： | 數(shù)字梳狀濾波器（NTSC制式） |
| 文件頁數(shù)： | 9/11頁 |
| 文件大小： | 157K |
| 代理商： | CXD2043 |
– 9 –
CXD2043Q
Application Circuit for D/A Converter
0.1μ
0.1μ
CLOCK
200 (R)
Y OUTPUT
1k
0.1μ
3.3k (R')
0.1μ
200 (R)
C OUTPUT
1k
0.1μ
3.3k (R')
YV
DD
YV
SS
MCK
DV
DD
DV
SS
CV
DD
CV
SS
AYO
YVG
YVRF
YIRF
VB
ACO
CVG
CVRF
CIRF
32
30
5
40
42
31
33
34
35
36
41
39
38
37
Method of Selecting Output Resistance
The CXD2043Q has a built-in current output-type D/A converter. To obtain the output voltages, connect
resistances to AYO and ACO pins.
The voltage and current specifications are:
Output full-scale voltage: V
FS
= 0.5 to 2.0V
Output full-scale current: I
FS
= 0 to 15mA
Calculate the output resistance using the relationship V
FS
= I
FS
×
R. In addition, connect a resistance of 16
times the output resistance to the reference current pin (YIRF, CIRF). In the case where the value comes to
be impractical, use a value of resistance as close to the value calculated as possible.
Note that, at this time, V
FS
= V
RF
×
16R/R' (V
RF
: Pin voltage of YVRF and CVRF).
R is the resistance connected to AYO/ACO, and R' is the resistance connected to YIRF/CIRF. Power
consumption can be reduced by using higher resistance values, but then glitch energy and data settling time
increase contrastingly. Select optimum resistance values according to the system applications.
V
DD
, V
SS
Separate the analog and digital systems around the device to reduce noise effect. YV
DD
and CV
DD
are
respectively by-passed to YV
SS
and CV
SS
as close to each other as possible through ceramic capacitor of
approximately 0.1μF.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CXD2053AM | Auto Wide, EDTV-II ID Detection, ID-1 Detection |
| CXD2053AS | Auto Wide, EDTV-II ID Detection, ID-1 Detection |
| CXD2064Q | Digital Comb Filter (NTSC/PAL) |
| CXD2085M | ID-1 Detection |
| CXD2093Q | Digital Comb Filter (NTSC) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CXD2043Q | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Digital Comb Filter (NTSC) |
| CXD2044Q | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Digital Comb Filter (NTSC/PAL/PAL-M/PAL-N) |
| CXD2053AM | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Auto Wide, EDTV-II ID Detection, ID-1 Detection |
| CXD2053AM/AS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Auto Wide.EDTV-II ID Detection.ID-1 Detection |
| CXD2053AS | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Auto Wide, EDTV-II ID Detection, ID-1 Detection |
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