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參數(shù)資料
| 型號(hào)： | LT1469IN8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Dual 90MHz, 22V/us 16-Bit Accurate Operational Amplifier |
| 中文描述： | DUAL OP-AMP, 500 uV OFFSET-MAX, 88 MHz BAND WIDTH, PDIP8 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-8 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 179K |
| 代理商： | LT1469IN8 |
LT1469
7
Input Considerations
Each input of the LT1469 is protected with a 100
series
resistor and back-to-back diodes across the bases of the
input devices. If large differential input voltages are antici-
pated, limit the input current to less than 10mA with an
external series resistor. Each input also has two ESD
clamp diodes—one to each supply. If an input is driven
beyond the supply, limit the current with an external
resistor to less than 10mA.
The LT1469 employs bias current cancellation at the
inputs. The inverting input current is trimmed at zero
common mode voltage to minimize errors in inverting
applications such as I-to-V converters. The noninverting
input current is not trimmed and has a wider variation and
therefore a larger maximum value. As the input offset
current can be greater than either input current, the use of
balanced source resistance is NOT recommended as it
actually degrades DC accuracy and also increases noise.
APPLICATIU
W
U
U
Q1
+IN
1469 F02
R1
100
Q2
–IN
R1
100
Figure 2. Input Stage Protection
The input bias currents vary with common mode voltage.
The cancellation circuitry was not designed to track this
common mode voltage because the settling time would
have been adversely affected.
The LT1469 inputs can be driven to the negative supply
and to within 0.5V of the positive supply without phase
reversal. As the input moves closer than 0.5V to the
positive supply, the output reverses phase.
Total Input Noise
The total input noise of the LT1469 is optimized for a
source resistance between 1k and 20k. Within this range,
the total input noise is dominated by the noise of the
source resistance itself. When the source resistance is
below 1k, voltage noise of the amplifier dominates. When
the source resistance is above 20k, the input noise current
is the dominant contributor.
相關(guān)PDF資料 |
PDF描述 |
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| LT1469 | Dual 90MHz, 22V/us 16-Bit Accurate Operational Amplifier |
| LT1469IS8 | Dual 90MHz, 22V/us 16-Bit Accurate Operational Amplifier |
| LT1469CS8 | CAP .47UF 450V METAL POLYESTER |
| LT1469CN8 | Dual 90MHz, 22V/us 16-Bit Accurate Operational Amplifier |
| LT1490AIN8 | Circular Connector; No. of Contacts:55; Series:MS27473; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:22; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:22-55 RoHS Compliant: No |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1469IN8#PBF | 功能描述:IC OPAMP 16BIT DUAL 90MHZ 8DIP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:150 系列:- 放大器類型:音頻 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件 |
| LT1469IN8-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual 90MHz, 22V/μs 16-Bit Accurate Operational Amplifi er |
| LT1469IS8 | 功能描述:IC OPAMP 16BIT DUAL 90MHZ 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:150 系列:- 放大器類型:音頻 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件 |
| LT1469IS8#PBF | 功能描述:IC OPAMP 16BIT DUAL 90MHZ 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| LT1469IS8#TR | 功能描述:IC OPAMP 16BIT DUAL 90MHZ 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:150 系列:- 放大器類型:音頻 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件 |
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