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參數資料
| 型號： | ADA4431-1 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Ultralow Power SD Video Filter with Load Detection |
| 中文描述： | 超低功耗SD視頻濾波器的負載檢測 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 389K |
| 代理商： | ADA4431-1 |
Ultralow Power SD Video Filter
with Load Detection
ADA4431-1
FEATURES
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2007 Analog Devices, Inc. All rights reserved.
www.analog.com
Third-order, low-pass video filter
1 dB flatness out to 6 MHz
27 dB rejection at 27 MHz
Low quiescent current: 4.7 mA typical
Low power-down current: 24 μA typical
Load detection capability
SAG correction
Allows use of smaller capacitors in ac-coupled outputs
Low supply voltage: 2.5 V to 3.6 V
Charge pump
Creates a negative voltage from single positive supply
Allows capless output coupling with no dc offset
Rail-to-rail output
High input-to-output isolation in disabled state
89 dB @ 1 MHz
Small package
3 mm × 3 mm LFCSP
Low 0.55 mm package height
Wide operating temperature range: 40°C to +85°C
APPLICATIONS
Portable media players
Portable gaming consoles
Cell phones
Digital still cameras
Portable DVD players
Portable video cameras
PIN CONFIGURATION
1
2
3
GND
SUBS
+V
S
4
CAP1
12
10
9
+V
S
DIS
11
IN
LDO
7
C
8
C
6
G
5
C
1
F
1
1
F
1
O
S
LOAD
DETECT
LPF
G = 2
CHARGE PUMP
0
Figure 1.
+V
S
LPF
x1
x2
OUT
IN
75
4
3
2
7
5
6
8
9
11
12
VIDEO
DAC/
ENCODER
SYSTEM
CONTROLLER
LDO
DIS
GND
CAP4 CAP3
0.1μF
CAP2 CAP1
0.1μF
SUBS GND
1.0μF
SAG
FB1
FB2
14
15
16
13
VIDEO
OUT
0.1μF
0.1μF
+V
S
+V
S
ADA4431-1
1
10
0
Figure 2. Typical Application Circuit
GENERAL DESCRIPTION
The ADA4431-1 is a fully integrated video reconstruction filter
that combines excellent video specifications with low power
consumption, making it ideal for portable video filtering
applications. The ADA4431-1 is able to detect whether a video
load is present at the output, powering down the device when
the load is disconnected.
The ADA4431-1 operates on single supplies as low as 2.5 V
while providing the dynamic range required by the most
demanding video systems. The on-board charge pump
provides a virtual negative supply, allowing the video signal to
be dc-coupled and the black level to be set to ground, while the
sync passes cleanly at 300 mV below ground.
When operating with the charge pump off, the ADA4431-1
provides a dc offset to keep the sync tip approximately 100 mV
above ground. In addition, the part features SAG correction,
which permits the use of smaller capacitors in applications with
ac-coupled outputs.
The ADA4431-1 is packaged in a low profile 16-lead LFCSP and
operates in the industrial temperature range of 40°C to +85°C.
相關PDF資料 |
PDF描述 |
|---|---|
| ADA4431-1YCPZ-R7 | Ultralow Power SD Video Filter with Load Detection |
| ADA4431-1YCPZ-RL | Ultralow Power SD Video Filter with Load Detection |
| ADA4841-1 | Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier |
| ADA4841-1YRJZ-R2 | Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier |
| ADA4841-1YRJZ-R7 | Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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: |
| ADA4431-1YCPZ-TR | 制造商:Analog Devices 功能描述:LOW PWR COMP VIDEO FLTR W/ULP DISABLE - Tape and Reel |
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