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| 型號(hào)： | AD8051ARZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 11/25頁(yè) |
| 文件大小： | 0K |
| 描述： | IC OPAMP VF R-R LDIST LP 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類(lèi)型： | 電壓反饋 |
| 電路數(shù)： | 1 |
| 輸出類(lèi)型： | 滿(mǎn)擺幅 |
| 轉(zhuǎn)換速率： | 170 V/µs |
| -3db帶寬： | 110MHz |
| 電流 - 輸入偏壓： | 1.4µA |
| 電壓 - 輸入偏移： | 1800µV |
| 電流 - 電源： | 4.8mA |
| 電流 - 輸出 / 通道： | 45mA |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 12 V，±1.5 V ~ 6 V |
| 工作溫度： | -40°C ~ 125°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) |
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AD8051/AD8052/AD8054
Rev. J | Page 18 of 24
LAYOUT CONSIDERATIONS
The specified high speed performance of the AD8051/AD8052/
AD8054 requires careful attention to board layout and component
selection. Proper RF design techniques and low parasitic
component selection are necessary.
The PCB should have a ground plane covering all unused
portions of the component side of the board to provide a low
impedance path. The ground plane should be removed from the
area near the input pins to reduce parasitic capacitance.
Chip capacitors should be used for supply bypassing. One end
should be connected to the ground plane and the other within
3 mm of each power pin. An additional large (4.7 μF to 10 μF)
tantalum electrolytic capacitor should be connected in parallel,
but not necessarily so close, to supply current for fast, large
signal changes at the output.
The feedback resistor should be located close to the inverting
input pin to keep the parasitic capacitance at this node to a
minimum. Parasitic capacitance of less than 1 pF at the inverting
input can significantly affect high speed performance.
Stripline design techniques should be used for long signal traces
(greater than about 25 mm). These should be designed with a
characteristic impedance of 50 Ω or 75 Ω and be properly
terminated at each end.
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 affect active filter
performance.
Figure 46 shows an example of a 2 MHz biquad bandwidth filter
that uses three op amps of an AD8054. Such circuits are
sometimes used in medical ultrasound systems to lower the
noise bandwidth of the analog signal before analog-to-digital
conversion.
Note that the unused amplifier’s inputs should be tied to ground.
12
13
14
2
1
6
5
7
9
10
8
AD8054
3
AD8054
R6
1k
R4
2k
R3
2k
R5
2k
R2
2k
R1
3k
C1
50pF
C2
50pF
VIN
BAND-PASS
FILTER OUTPUT
01062-
046
Figure 46. 2 MHz Biquad Band-Pass Filter Using AD8054
The frequency response of the circuit is shown in Figure 47.
FREQUENCY (Hz)
0
–10
–20
–30
–40
GA
IN
(
d
B
)
10k
100k
1M
10M
100M
01
06
2-
04
7
Figure 47. Frequency Response of 2 MHz Band-Pass Biquad Filter
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| AD8051ARZ-REEL7 | 功能描述:IC OPAMP VF R-R LDIST LP 8SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:160 系列:- 放大器類(lèi)型:通用 電路數(shù):4 輸出類(lèi)型:滿(mǎn)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(lèi)型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:管件 |
| AD8051R8 | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
| AD8051RT | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
| AD8052 | 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:Low Cost, High Speed, Rail-to-Rail Amplifiers |
| AD8052AR | 功能描述:IC OPAMP VF R-R DUAL LDIST 8SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類(lèi)型:J-FET 電路數(shù):2 輸出類(lèi)型:- 轉(zhuǎn)換速率:3.5 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:30pA 電壓 - 輸入偏移:2000µV 電流 - 電源:200µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-PDIP 包裝:管件 |
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