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參數(shù)資料
| 型號： | MAX4492AUD+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 7/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP QUAD R-R I/O 14-TSSOP |
| 其它有關(guān)文件： | Automotive Product Guide |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 96 |
| 放大器類型： | 通用 |
| 電路數(shù)： | 4 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 10 V/µs |
| 增益帶寬積： | 10MHz |
| 電流 - 輸入偏壓： | 50pA |
| 電壓 - 輸入偏移： | 1500µV |
| 電流 - 電源： | 800µA |
| 電流 - 輸出 / 通道： | 50mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V |
| 工作溫度： | -40°C ~ 125°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： | 管件 |
| 產(chǎn)品目錄頁面： | 1390 (CN2011-ZH PDF) |
Driving Capacitive Loads
In conjunction with op amp output resistance, capaci-
tive loads introduce a pole frequency that can reduce
phase margin and lead to unstable operation. The
MAX4490/MAX4491/MAX4492 drive capacitive loads
up to 300pF without significant degradation of step
response and slew rate (Figure 4). Capacitive-Load
Stability (page 1) shows regions of stable and margin-
ally stable (step overshoot <10%) operation for different
combinations of capacitive and resistive loads.
Improve stability for large capacitive loads by adding
an isolation resistor (typically 10
) in series with the
output (Figure 5). Note that the isolation resistor forms a
voltage divider with potential for gain error.
Chip Information
MAX4490 TRANSISTOR COUNT: 60
MAX4491 TRANSISTOR COUNT: 120
MAX4492 TRANSISTOR COUNT: 240
SUBSTRATE CONNECTED TO VSS
MAX4490/MAX4491/MAX4492
Low-Cost, High-Slew-Rate,
Rail-to-Rail I/O Op Amps in SC70
_______________________________________________________________________________________
7
Figure 4. Step Response With and Without Capacitive Loading
AV = +1, RL = 100k
, CL = 0
4a)
4b)
WITHOUT CAPACITIVE LOADING
WITH CAPACITIVE LOADING
AV = +1, RL = 100k
, CL = 300pF
Figure 3. Step Response With and Without Feedback
Compensation
AV = -1, RL = 4k
, Cf = 0
3a)
3b)
WITHOUT FEEDBACK COMPENSATION
WITH FEEDBACK COMPENSATION
AV = -1, RL = 4k
, Cf = 5pF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4492AUD+ | 功能描述:運算放大器 - 運放 High-Slew-Rate Rail-Rail RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX4492AUD+T | 功能描述:運算放大器 - 運放 High-Slew-Rate Rail-Rail RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX4492AUD-T | 功能描述:運算放大器 - 運放 High-Slew-Rate Rail-Rail RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX4493ASA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4493AUK | 制造商:Maxim Integrated Products 功能描述:SC70 LOW-POWER GENERAL-PURPOSE DUAL-SUPPLY RAIL-TO-RAIL OP A - Rail/Tube |
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