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參數(shù)資料
| 型號(hào)： | MAX44280AXT+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 2/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP GP RRIO 50MHZ LN SC70-6 |
| 產(chǎn)品培訓(xùn)模塊： | Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類(lèi)型： | 通用 |
| 電路數(shù)： | 1 |
| 輸出類(lèi)型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 30 V/µs |
| 增益帶寬積： | 50MHz |
| 電流 - 輸入偏壓： | 0.01pA |
| 電壓 - 輸入偏移： | 10µV |
| 電流 - 電源： | 750µA |
| 電流 - 輸出 / 通道： | 85mA |
| 電壓 - 電源，單路/雙路(±)： | 1.8 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 6-TSSOP，SC-88，SOT-363 |
| 供應(yīng)商設(shè)備封裝： | SC-70-6 |
| 包裝： | 帶卷 (TR) |
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MAX44280
1.8V, 50MHz, Low-Offset,
Low-Power, Rail-to-Rail I/O Op Amp
10
Maxim Integrated
Detailed Description
The MAX44280 is a high-speed low-power op amp ideal
for signal processing applications due to the device’s
high precision and low-noise CMOS inputs. The device
self-calibrates on power-up to eliminate effects of tem-
perature and power-supply variation.
The MAX44280 also features a low-power shutdown
mode that greatly reduces quiescent current while the
device is not operational and recovers in 30s.
Crossover Distortion
This op amp features a low-noise integrated charge
pump that creates an internal voltage rail 1V above
VDD, which is used to power the input differential
pair of pMOS transistors as shown in Figure 1. Such
a unique architecture eliminates crossover distor-
tion common in traditional CMOS input architecture
(Figure 2), especially when used in a noninverting
configuration, such as for Sallen-Key filters.
The charge pump’s operating frequency lies well above
the unity-gain frequency of the amplifier. Thanks to its high-
frequency operation and ultra-quiet circuitry, the charge
pump generates little noise, does not require external
components, and is entirely transparent to the user.
Figure 1. Comparing the Input Structure of the MAX44280 to Standard Op-Amp Inputs
Figure 2. Crossover Distortion of Typical Amplifiers
STANDARD INPUT STRUCTURE
MAX44280 INPUTS STRUCTURE
INTERNAL
CHARGE
PUMP
CROSSOVER
DISTORTION
MAX44280
TIME
AMPLIFIER
OUTPUT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX44280AYT+T | 功能描述:運(yùn)算放大器 - 運(yùn)放 Decompensated MAX44260 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(bǔ)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 |
| MAX44280EVKIT# | 制造商:Maxim Integrated Products 功能描述:1.8V 50MHZ LOW-OFFSET LOW-POWER RAIL-TO-RAIL I/O OP AMP - Boxed Product (Development Kits) |
| MAX44281OANS+T | 功能描述:運(yùn)算放大器 - 運(yùn)放 4-bump Op Amp 4-bump Op Amp RoHS:否 制造商:Maxim Integrated 通道數(shù)量: 共模抑制比（最小值）: 輸入補(bǔ)償電壓: 輸入偏流（最大值）: 工作電源電壓: 安裝風(fēng)格: 封裝 / 箱體: 轉(zhuǎn)換速度: 關(guān)閉: 輸出電流: 最大工作溫度: 封裝:Reel |
| MAX44281UANS+ | 制造商:Maxim Integrated Products 功能描述:4-BUMP OP AMP - Rail/Tube |
| MAX44281UANS+T | 功能描述:運(yùn)算放大器 - 運(yùn)放 4-bump Op Amp 4-bump Op Amp RoHS:否 制造商:Maxim Integrated 通道數(shù)量: 共模抑制比（最小值）: 輸入補(bǔ)償電壓: 輸入偏流（最大值）: 工作電源電壓: 安裝風(fēng)格: 封裝 / 箱體: 轉(zhuǎn)換速度: 關(guān)閉: 輸出電流: 最大工作溫度: 封裝:Reel |
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