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參數資料
| 型號： | ADA4430-1YKSZ-RL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 消費家電 |
| 英文描述： | Ultralow Power Video Filter with Power-Down |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO6 |
| 封裝： | ROHS COMPLIANT, MO-203AB, SC-70, 6 PIN |
| 文件頁數： | 14/16頁 |
| 文件大小： | 312K |
| 代理商： | ADA4430-1YKSZ-RL |
ADA4430-1
RECONSTRUCTION FILTER APPLICATIONS
Figure 33 illustrates how to use the ADA4430-1 as a dc-coupled
reconstruction filter with a pass band gain of 2 following the
low power
ADV7190/ADV7191
video encoder. One
ADV7190/
ADV7191
output DAC is shown for illustrative purposes, and
the remaining portions of the
ADV7190/ADV7191
are omitted.
The
ADV7190/ADV7191
is operated in 4× oversampling mode.
Rev. A | Page 14 of 16
The 2.4 kΩ resistor, R
SET
, shown in Figure 33 sets the DAC
output current to its minimum full-scale value of 2.16 mA, and
the 600 Ω load resistor produces a full-scale voltage of 1.296 V
at the ADA4430-1 input.
Figure 34 illustrates another reconstruction filter application,
following the
ADV7174
video encoder. As in Figure 33, one
ADV7174
output DAC is shown for illustrative purposes, and
the remaining portions of the
ADV7174
are omitted.
The 1041 Ω resistor, R
SET
, shown in Figure 34, sets the DAC
output current to its minimum full-scale value of 5 mA, and the
262.5 Ω load resistor produces a full-scale voltage of 1.313 V at
the ADA4430-1 input.
The
ADV7174
can produce a maximum full-scale DAC output
current of approximately 35 mA and is therefore capable of
driving the video cable directly; however, as is shown in Figure 34,
the ADA4430-1 offers a lower, power cable-driving option.
Figure 34 reveals the details of how the ADA4430-1 saves
power when driving video cables with terminations at both
ends. A full-scale level at the DAC output produces 2.626 V at
the ADA4430-1 output, which in turn delivers 17.5 mA into
the cable. In the case shown in Figure 27, the output voltage is
1.313 V, but the current driven into the cable is 35 mA twice
that required when the ADA4430-1 is used. Therefore, the
ADA4430-1 allows the video encoder to be operated at its
minimum full-scale output current, and it efficiently handles
the cable-driving burden.
2.6k
2.6k
2.6k
1.3k
SAG
GND
V
IN
V
OUT
ADV7190/ADV7191
DAC
R
SET
48
PD
V
S+
POWER-DOWN CONTROL
ADA4430-1
1
2
3
4
5
6
2.4k
600
75
75
75
CABLE
0.1μF
0.1μF
17, 25, 29, 38, 43, 54, 63
V
AA
18, 24, 26, 33,
39, 42, 55, 64
AGND
3V
0
×1
Figure 33. Using the ADA4430-1 with the ADV7190/ADV7191 Video Encoder
2.6k
2.6k
1.3k
SAG
GND
V
IN
V
OUT
ADV7174 DAC
R
SET
31
V
S+
POWER-DOWN CONTROL
ADA4430-1
1
2
3
4
5
6
1041
(931
+ 110
)
75
75
75
CABLE
0.1μF
0.1μF
2, 10, 18, 25, 27
V
AA
6-9, 11, 12,
17, 19, 26, 40
AGND
3V
0
262.5
(191
+ 71.5
)
2.6k
PD
×1
Figure 34. Using the ADA4430-1 with the ADV7174 Video Encoder
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADA4431-1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultralow Power SD Video Filter with Load Detection |
| ADA4431-1YCPZ-R2 | 功能描述:IC SD VIDEO FILTER ULP 16LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標準包裝:1,000 系列:- 應用:驅動器 輸出類型:差分 電路數:3 -3db帶寬:350MHz 轉換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤 供應商設備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
| ADA4431-1YCPZ-R7 | 功能描述:IC VIDEO FILTER SD ULP 16-LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標準包裝:1,000 系列:- 應用:驅動器 輸出類型:差分 電路數:3 -3db帶寬:350MHz 轉換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤 供應商設備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
| ADA4431-1YCPZ-RL | 功能描述:IC SD VIDEO FILTER ULP 16LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標準包裝:1,000 系列:- 應用:驅動器 輸出類型:差分 電路數:3 -3db帶寬:350MHz 轉換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤 供應商設備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
| ADA4431-1YCPZ-RZ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
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