参数资料
| 型号： | OP467GSZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 7/20页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP GP 28MHZ QUAD 16SOIC |
| 标准包装： | 47 |
| 放大器类型： | 通用 |
| 电路数： | 4 |
| 转换速率： | 350 V/µs |
| 增益带宽积： | 28MHz |
| 电流 - 输入偏压： | 150nA |
| 电压 - 输入偏移： | 200µV |
| 电流 - 电源： | 8mA |
| 电压 - 电源，单路/双路(±)： | ±4.5 V ~ 18 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 管件 |
| 产品目录页面： | 770 (CN2011-ZH PDF) |
OP467
Rev. | Page 15 of 20
0
03
02
-04
5
2 MHz BIQUAD BAND-PASS FILTER
0.01% 10V STEP
VS = ±15V
NEG SLOPE
The circuit in Figure 48 is commonly used in medical imaging
ultrasound receivers. The 30 MHz bandwidth is sufficient to
accurately produce the 2 MHz center frequency, as the measured
response shows in Figure 49. When the bandwidth of the op
amp is too close to the center frequency of the filter, the internal
phase shift of the amplifier causes excess phase shift at 2 MHz,
which alters the response of the filter. In fact, if the chosen op
amp has a bandwidth close to 2 MHz, the combined phase shift
of the three op amps causes the loop to oscillate.
2.5mV
–2.5mV
Careful consideration must be given to the layout of this circuit
as with any other high speed circuit.
Figure 45. Instrumentation Amplifier Settling Time to 0.01% for a
10 V Step Input (Negative Slope)
If the phase shift introduced by the layout is large enough, it can
alter the circuit performance, or worse, cause oscillation.
0
03
02
-04
6
0.01% 10V STEP
VS =±15V
POS SLOPE
2.5mV
–2.5mV
00302-
048
VIN
VOUT
1/4
OP467
1/4
OP467
1/4
OP467
1/4
OP467
R1
3k
2k
R2
2k
R6
1k
C1
50pF
C2
50pF
R3
2k
R4
2k
R5
2k
Figure 46. Instrumentation Amplifier Settling Time to 0.01% for a
10 V Step Input (Positive Slope)
Figure 48. 2 MHz Biquad Filter
00
30
2-
0
47
+VS
AD9617
GA
IN
(
d
B
)
FREQUENCY (Hz)
00
30
2-
04
9
–30
–20
–10
0
10k
100k
1M
10M
100M
–40
+
–VS
2k
1k
TO
INPUT
TO
IN-AMP
OUTPUT
ERROR
TO SCOPE
2k
61.9
549
Figure 47. Settling Time Measurement Circuit
Figure 49. Biquad Filter Response
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相关代理商/技术参数 |
参数描述 |
|---|---|
| OP467GSZ-REEL | 功能描述:IC OPAMP GP 28MHZ QUAD 16SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:Excalibur™ 放大器类型:J-FET 电路数:1 输出类型:- 转换速率:45 V/µs 增益带宽积:10MHz -3db带宽:- 电流 - 输入偏压:20pA 电压 - 输入偏移:490µV 电流 - 电源:1.7mA 电流 - 输出 / 通道:48mA 电压 - 电源，单路/双路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:带卷 (TR) |
| OP470 | 制造商:AD 制造商全称:Analog Devices 功能描述:Very Low Noise Quad Operational Amplifier |
| OP-470 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual/Quad Low Noise, Precision Operational Amplifiers |
| OP-470A | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual/Quad Low Noise, Precision Operational Amplifiers |
| OP-470AJ | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual/Quad Low Noise, Precision Operational Amplifiers |
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