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參數(shù)資料
| 型號(hào)： | OP467 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Quad Precision, High Speed Operational Amplifier |
| 中文描述： | 四精密，高速運(yùn)算放大器 |
| 文件頁(yè)數(shù)： | 13/16頁(yè) |
| 文件大?。?/td> | 242K |
| 代理商： | OP467 |
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OP467
REV. C
–13–
2.5mV
–2.5mV
0.01% 10V STEP
V
=
6
15V
POS SLOPE
Figure 42. Instrumentation Amplifier Settling Time to
0.01% for a 10 V Step Input (Positive Slope)
ERROR
TO
SCOPE
TO
INPUT
TO
IN-AMP
OUTPUT
2k
V
2k
V
AD9617
549
V
1k
V
61.9
V
+V
S
–V
S
+
+
–
–
Figure 43. Settling Time Measurement Circuit
2 MHz BIQUAD BANDPASS FILTER
The circuit in Figure 44 is commonly used in medical imaging
ultrasound receivers. The 30 MHz bandwidth is sufficient to
accurately produce the 2 MHz center frequency, as the mea-
sured response shows in Figure 45. When the op amp’s band-
width is too close to the filter’s center frequency, the amplifier’s
internal phase shift causes excess phase shift at 2 MHz, which
alters the filter’s response. In fact, if the chosen op amp has a
bandwidth close to 2 MHz, the combined phase shift of the
three op amps will cause the loop to oscillate.
Careful consideration must be given to the layout of this circuit
as with any other high speed circuit.
If the phase shift introduced by the layout is large enough, it
could alter the circuit performance, or worse, it will oscillate.
2k
V
R1
3k
V
V
IN
R3
2k
V
R2
2k
V
R4
2k
V
R5
2k
V
C2
50pF
C1
50pF
R6
1k
V
V
OUT
+
–
+
–
+
–
+
–
1/4
OP467
1/4
OP467
O1/4
1/4
OP467
Figure 44. 2 MHz Biquad Filter
–20
100k
100M
10M
1M
10k
–10
0
–40
–30
FREQUENCY – Hz
G
Figure 45. Biquad Filter Response
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| OP467GBC | Quad Precision, High Speed Operational Amplifier |
| OP467GP | Quad Precision, High Speed Operational Amplifier |
| OP467GS | Quad Precision, High Speed Operational Amplifier |
| OP470ARCMDA | Very Low Noise Quad Operational Amplifier |
| OP470ATCMDA | Very Low Noise Quad Operational Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OP467_07 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Quad Precision, High Speed Operational Amplifier |
| OP467ARC/883 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Quad Precision, High Speed Operational Amplifier |
| OP467ARC/883C | 制造商:Analog Devices 功能描述:OP Amp Quad GP ±18V 20-Pin LCC 制造商:Analog Devices 功能描述:HI SPEED QUAD OP AMP-LEV.B 制造商:Analog Devices 功能描述:OP AMP QUAD GP 18V 20PIN LCC - Rail/Tube 制造商:Analog Devices 功能描述:Precision Amplifiers Quad Prec Hi Spd 28MHz 170V/uS |
| OP467AY/883 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Quad Precision, High Speed Operational Amplifier |
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