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| 型號(hào)： | AD8092ARZ-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類(lèi)： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Low Cost, High Speed Rail-to-Rail Amplifiers |
| 中文描述： | DUAL OP-AMP, 27000 uV OFFSET-MAX, PDSO8 |
| 封裝： | LEAD FREE, MS-012AA, SOIC-8 |
| 文件頁(yè)數(shù)： | 15/20頁(yè) |
| 文件大?。?/td> | 283K |
| 代理商： | AD8092ARZ-REEL |
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AD8091/AD8092
Rev. B | Page 15 of 20
0
2
1
6
5
7
2
3
6
AD8092
AD8091
C2
50pF
C1
50pF
R5
2k
R4
2k
R6
1k
R3
2k
R2
2k
R1
3k
V
OUT
3
AD8092
V
IN
Figure 33. 2 MHz Biquad Band-Pass Filter
The frequency response of the circuit is shown in Figure 34.
0
–10
–20
–30
–40
10k
100k
1M
10M
100M
0
FREQUENCY (Hz)
G
Figure 34. Frequency Response of 2 MHz Band-Pass Biquad Filter
SYNC STRIPPER
Synchronizing pulses are sometimes carried on video signals so
as not to require a separate channel to carry the synchronizing
information. However, for some functions, such as A/D
conversion, it is not desirable to have the sync pulses on the
video signal. These pulses reduce the dynamic range of the
video signal and do not provide any useful information for such
a function.
A sync stripper removes the synchronizing pulses from a video
signal while passing all the useful video information. Figure 35
shows a practical single-supply circuit that uses only a single
AD8091. It is capable of directly driving a reverse terminated
video line.
0
AD8091
+
R2
1k
R1
1k
+0.8V
(OR 2
V
BLANK
)
100
TO A/D
3V OR 5V
3
2
4
6
7
10
μ
F
0.1
μ
F
V
BLANK
V
IN
GROUND
+0.4V
VIDEO WITH SYNC
GROUND
VIDEO WITHOUT SYNC
Figure 35. Sync Stripper
The video signal plus sync is applied to the noninverting input
with the proper termination. The amplifier gain is set equal to 2
via the two 1 k resistors in the feedback circuit. A bias voltage
must be applied to R1 for the input signal to have the sync
pulses stripped at the proper level.
The blanking level of the input video pulse is the desired place
to remove the sync information. The amplifier multiplies this
level by 2. This level must be at ground at the output in order
for the sync stripping action to take place. Because the gain of
the amplifier from the input of R1 to the output is 1, a voltage
equal to 2 × V
BLANK
must be applied to make the blanking level
come out at ground.
SINGLE-SUPPLY COMPOSITE VIDEO LINE DRIVER
Many composite video signals have their blanking level at
ground and have video information that is both positive and
negative. Such signals require dual-supply amplifiers to pass
them. However, by ac level-shifting, a single-supply amplifier
can be used to pass these signals. The following complications
may arise from such techniques.
Signals of bounded peak-to-peak amplitude that vary in duty
cycle require larger dynamic swing capacity than their
(bounded) peak-to-peak amplitude after they are ac-coupled.
As a worst case, the dynamic signal swing approaches twice the
peak-to-peak value. One of two conditions that define the
maximum dynamic swing requirements is a signal that is
mostly low but goes high with a duty cycle that is a small
fraction of a percent. The opposite condition defines the second
condition.
The worst case of composite video is not quite this demanding.
One bounding condition is a signal that is mostly black for an
entire frame but has a white (full amplitude) minimum width
spike at least once in a frame.
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| AD8091AR-REEL | Low-Cost, High-Speed Rail-to-Rail Amplifiers |
| AD8091AR-REEL7 | Low-Cost, High-Speed Rail-to-Rail Amplifiers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8092ARZ-REEL7 | 功能描述:IC OPAMP VF R-R DUAL LDIST 8SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類(lèi)型:通用 電路數(shù):1 輸出類(lèi)型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:帶卷 (TR) |
| AD8099ACP-R2 | 功能描述:IC OPAMP VF ULN ULDIST 8LFCSP RoHS:否 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類(lèi)型:通用 電路數(shù):1 輸出類(lèi)型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:帶卷 (TR) |
| AD8099ACP-REEL | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD8099ACP-REEL7 | 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk 制造商:Rochester Electronics LLC 功能描述:ULTRA LOW NOISE & DIST. HIGH SPEED OPAMP - Tape and Reel |
| AD8099ACPZ | 制造商:Analog Devices 功能描述:OP AMP VF ULN ULDIST 8LFCSP 制造商:Analog Devices 功能描述:OP AMP, VF, ULN, ULDIST, 8LFCSP 制造商:Analog Devices 功能描述:OP AMP, VF, ULN, ULDIST, 8LFCSP; Op Amp Type:Low Distortion; No. of Amplifiers:1; Slew Rate:475V/s; Supply Voltage Range:5V to 12V; Amplifier Case Style:CSP; No. of Pins:8; Bandwidth:700MHz; Operating Temperature Min:-40C; ;RoHS Compliant: Yes 制造商:Analog Devices 功能描述:Amplifier,Op-Amp,V feedback,AD8099ACPZ |
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