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參數(shù)資料
| 型號(hào)： | OPA2652U2K5 |
| 英文描述： | Dual, 700MHz, Voltage-Feedback OPERATIONAL AMPLIFIER |
| 中文描述： | 雙通道，700MHz的，電壓反饋運(yùn)算放大器 |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 297K |
| 代理商： | OPA2652U2K5 |
www.ti.com
Differential ADC Driver
The circuit on the front page shows an OPA2652
driving the ADS807 analog-to-digital converter (ADC)
differentially, at a gain of +2V/V. The outputs are
AC-coupled to the converter to adjust for the
difference in supply voltages. The 133
resistors at
the noninverting inputs minimize DC offset errors.
The
differential
topology
distortion
products,
such
distortion.
Bandpass Filter
Figure 31
shows a single OPA2652 implementing a
sixth-order bandpass filter. This filter cascades two
second-order Sallen-Key sections with transmission
zeros, and a double real pole section. It has 0.3dB of
ripple, –3dB frequencies of 450kHz and 11MHz, and
–23dB frequencies of 315kHz and 16MHz. The
20.0
resistor isolates the first OPA2652 output from
capacitive
loading.
This
stability with minimal impact on the filter response.
Figure 30
shows the nominal response simulated by
SPICE.
0
-
5
-
10
-
15
-
20
-
25
-
30
-
35
-
40
10k
100k
1M
10M
100M
G
Frequency (Hz)
1/2
OPA2652
1/2
OPA2652
24.9
W
143
W
140
W
2.10k
W
1.0nF
1.0nF
V
IN
+5V
-
5V
2.2nF
1.30k
W
24.9
W
200
W
107
W
225
W
20.0
W
158
W
150pF
12pF
2.7nF
+5V
-
5V
180pF
100
W
100pF
1% Resistors
5% Capacitors
18pF
V
OUT
OPA2652
SBOS125A–JUNE 2000–REVISED MAY 2006
minimizes
as
even-order
second-harmonic
Figure 30. Nominal Filter Response
configuration
improves
Figure 31. Bandpass Filter
11
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OPA2652UG4 | 功能描述:高速運(yùn)算放大器 Dual 700MHz Voltage Feedback RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| OPA2658E | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| OPA2658E1250 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| OPA2658P | 功能描述:高速運(yùn)算放大器 Dual Wideband RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| OPA2658U | 功能描述:高速運(yùn)算放大器 Dual Wideband RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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