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參數資料
型號: AD828AR-REEL
廠商: ANALOG DEVICES INC
元件分類: 音頻/視頻放大
英文描述: Dual, Low Power Video Op Amp
中文描述: 2 CHANNEL, VIDEO AMPLIFIER, PDSO8
封裝: PLASTIC, SOIC-8
文件頁數: 11/12頁
文件大小: 256K
代理商: AD828AR-REEL
AD828
REV. B
–11–
3
2
1
1/2
AD828
R
Z
A
IN
1/2
AD828
510
2
3
B
IN
R
Z
100FT
RG59A/U
R
Z
= 75
1
1/2
AD828
B
OUT
5
6
7
6
5
1/2
AD828
A
OUT
7
510
510
536
510
510
536
510
Full-Duplex Transmission
Superior load handling capability (50 mA min/amp), high band-
width, wide supply voltage range and excellent crosstalk
rejection makes the AD828 an ideal choice even for the most
demanding high speed transmission applications.
The schematic below shows a pair of AD828s configured to
drive 100 feet of coaxial cable in a full-duplex fashion.
Two different NTSC video signals are simultaneously applied at
A
IN
and B
IN
and are recovered at A
OUT
and B
OUT
, respectively.
This situation is illustrated in Figures 43 and 44. These pictures
clearly show that each input signal appears undisturbed at its
output, while the unwanted signal is eliminated at either receiver.
The transmitters operate as followers, while the receivers’ gain is
chosen to take full advantage of the AD828’s unparalleled CMRR.
(In practice this gain is adjusted slightly from its theoretical
value to compensate for cable nonidealities and losses.) R
Z
is
chosen to match the characteristic impedance of the cable
employed.
Finally, although a coaxial cable was used, the same topology
applies unmodified to a variety of cables (such, as twisted pairs
often used in telephony).
10
90
0%
100
500mV
500mV
10μs
A
IN
B
OUT
Figure 43. A Transmission/B Reception
Figure 42. Bidirectional Transmission CKT
10
90
0%
100
500mV
500mV
10μs
B
IN
A
OUT
Figure 44. B Transmission/A Reception
A High Performance Video Line Driver
The buffer circuit shown in Figure 45 will drive a back-
terminated 75
video line to standard video levels (1 V p-p)
with 0.1 dB gain flatness to 40 MHz with only 0.05
°
and 0.01%
differential phase and gain at the 3.58 MHz NTSC subcarrier
frequency. This level of performance, which meets the require-
ments for high-definition video displays and test equipment, is
achieved using only 7 mA quiescent current/amplifier.
3
2
1
1/2
AD828
8
0.1 F
4
+15V
15V
R
BT
75
R
T
75
V
IN
1k
1.0 F
0.1 F
1.0 F
1k
75
R
T
75
Figure 45. Video Line Driver
相關PDF資料
PDF描述
AD828AR-REEL7 Dual, Low Power Video Op Amp
AD828 Dual, Low Power Video Op Amp
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AD828AR Dual, Low Power Video Op Amp
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相關代理商/技術參數
參數描述
AD828AR-REEL7 功能描述:IC VIDEO OPAMP DUAL LP 8-SOIC RoHS:否 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)
AD828ARZ 功能描述:IC VIDEO OPAMP DUAL LP 8-SOIC 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:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 應用:TFT-LCD 面板:VCOM 驅動器 輸出類型:滿擺幅 電路數:1 -3db帶寬:35MHz 轉換速率:40 V/µs 電流 - 電源:3.7mA 電流 - 輸出 / 通道:1.3A 電壓 - 電源,單路/雙路(±):9 V ~ 20 V,±4.5 V ~ 10 V 安裝類型:表面貼裝 封裝/外殼:8-TSSOP,8-MSOP(0.118",3.00mm 寬)裸露焊盤 供應商設備封裝:8-uMax-EP 包裝:管件
AD828ARZ-REEL 功能描述:IC VIDEO OPAMP DUAL LP 8-SOIC 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)
AD828ARZ-REEL7 功能描述:IC VIDEO OPAMP DUAL LP 8-SOIC 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)
AD829 制造商:AD 制造商全稱:Analog Devices 功能描述:High Speed, Low Noise Video Op Amp
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