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參數(shù)資料
| 型號： | AD8091ART-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Low-Cost, High-Speed Rail-to-Rail Amplifiers |
| 中文描述： | OP-AMP, 27000 uV OFFSET-MAX, PDSO5 |
| 封裝： | MO-178AA, SOT-23, 5 PIN |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 229K |
| 代理商： | AD8091ART-REEL |
AD8091/AD8092
–12–
REV. A
As the closed-loop gain is increased, the larger phase margin allows
for large capacitor loads with less peaking. Adding a low value resis-
tor in series with the load at lower gains has the same effect. Figure 4
shows the effect of a series resistor for various voltage gains. For
large capacitive loads, the frequency response of the amplifier
will be dominated by the series resistor and capacitive load.
R
G
R
F
C
L
R
S
V
OUT
V
IN
100mV STEP
50
R
S
= 3
R
S
= 0
10000
1000
11
6
2
C
P
F
3
4
5
100
10
A
CL
–
V/V
V
= 5V
30%
OVERSHOOT
Figure 4. Capacitive Load Drive vs. Closed-Loop Gain
Overdrive Recovery
Overdrive of an amplifier occurs when the output and/or input
range are exceeded. The amplifier must recover from this over-
drive condition. As shown in Figure 5, the AD8091/AD8092
recovers within 60 ns from negative overdrive and within 45 ns
from positive overdrive.
Figure 5. Overdrive Recovery
Active Filters
Active filters at higher frequencies require wider bandwidth op amps
to work effectively. Excessive phase shift produced by lower
frequency op amps can significantly impact active filter perfor-
mance.
Figure 6 shows an example of a 2 MHz biquad bandwidth filter
that uses three op amps. Such circuits are sometimes used in
medical ultrasound systems to lower the noise bandwidth of the
analog signal before A/D conversion. Please note that the
unused amplifiers
’
inputs should be tied to ground.
2
1
R1
3k
V
IN
R2
2k
C1
50pF
R3
2k
6
5
7
R6
1k
R5
2k
2
3
6
AD8092
AD8091
C2
50pF
V
OUT
R4
2k
3
AD8092
Figure 6. 2 MHz Biquad Band-Pass Filter
The frequency response of the circuit is shown in Figure 7.
FREQUENCY
–
Hz
10k
100M
100k
1M
10M
0
10
20
30
40
G
–
Figure 7. 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 infor-
mation. However, for some functions, such as A/D conversion, it
is not desirable to have the sync pulses on the video signal. These
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8091ART-REEL7 | 功能描述:IC OPAMP VF R-R LDIST LP SOT23-5 RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:160 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:10 V/µs 增益帶寬積:9MHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:250µV 電流 - 電源:730µA 電流 - 輸出 / 通道:28mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC N 包裝:管件 |
| AD8091ARTZ | 制造商:Analog Devices 功能描述:OP AMP 110MHZ 145V/US 5SOT2 制造商:Analog Devices 功能描述:OP AMP, 110MHZ, 145V/US, 5SOT23; Op Amp Type:High Speed; No. of Amplifiers:1; Slew Rate:145V/s; Supply Voltage Range:3V to 12V; Amplifier Case Style:SOT-23; No. of Pins:5; Bandwidth:110MHz; Operating Temperature Min:-40C; Operating;RoHS Compliant: Yes |
| AD8091ARTZ-R2 | 制造商:Analog Devices 功能描述:LOW COST, HIGH SPEED RAIL-TO-RAIL AMPLIFIER - Tape and Reel |
| AD8091ARTZR7 | 制造商:AD 功能描述:New |
| AD8091ARTZ-R7 | 功能描述:IC OPAMP VF R-R LDIST LP SOT23-5 RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產(chǎn)品培訓模塊:Differential Circuit Design Techniques for Communication Applications 標準包裝:1 系列:- 放大器類型:RF/IF 差分 電路數(shù):1 輸出類型:差分 轉(zhuǎn)換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤，CSP 供應商設備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
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