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參數(shù)資料
| 型號： | AD829SQ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC VIDEO OPAMP HS LN 8-CDIP |
| 標(biāo)準包裝： | 1 |
| 應(yīng)用： | 電壓反饋 |
| 電路數(shù)： | 1 |
| -3db帶寬： | 120MHz |
| 轉(zhuǎn)換速率： | 230 V/µs |
| 電流 - 電源： | 5.3mA |
| 電流 - 輸出 / 通道： | 32mA |
| 電壓 - 電源，單路/雙路(±)： | ±4.5 V ~ 18 V |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 8-CDIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 8-CERDIP |
| 包裝： | 管件 |
AD829
Data Sheet
Rev. I | Page 16 of 20
HIGH GAIN VIDEO BANDWIDTH, 3-OP-AMP
INSTRUMENTATION AMPLIFIER
Figure 48 shows a 3-op-amp instrumentation amplifier circuit
that provides a gain of 100 at video bandwidths. At a circuit gain of
100, the small signal bandwidth equals 18 MHz into a FET probe.
Small signal bandwidth equals 6.6 MHz with a 50 load. The
0.1% settling time is 300 ns.
The input amplifiers operate at a gain of 20, while the output
op amp runs at a gain of 5. In this circuit, the main bandwidth
limitation is the gain/bandwidth product of the output amplifier.
Extra care should be taken while breadboarding this circuit
because even a couple of extra picofarads of stray capacitance at the
compensation pins of A1 and A2 will degrade circuit bandwidth.
Figure 48. High Gain Video Bandwidth, 3-Op-Amp In-Amp Circuit
00880-
048
+15V
–15V
COMM
10F
0.1F
1F
0.1F
+VS
–VS
PIN 4
EACH
AMPLIFIER
PIN 7
100Hz
1MHz
10MHz
64.6dB
44.7dB
23.9dB
INPUT
FREQUENCY
CMRR
A1
AD829
2pF TO 8pF
SETTLING TIME
AC CMR ADJUST
3pF
1pF
2k
200
RG
210
1k
2k
200
970
50
2k
(G = 5)
5
3
2
6
DC CMR
ADJUST
3pF
(G = 20)
A2
AD829
A3
AD848
+VIN
CIRCUIT GAIN =
+ 1
4000
RG
5
2
3
6
5
3
2
6
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| AD829SQ/883B | 功能描述:視頻放大器 HIGH SPEED VIDEO OP AMP RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel 安裝風(fēng)格: |
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