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参数资料
| 型号： | MAX44280AXT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP GP RRIO 50MHZ LN SC70-6 |
| 产品培训模块： | Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 放大器类型： | 通用 |
| 电路数： | 1 |
| 输出类型： | 满摆幅 |
| 转换速率： | 30 V/µs |
| 增益带宽积： | 50MHz |
| 电流 - 输入偏压： | 0.01pA |
| 电压 - 输入偏移： | 10µV |
| 电流 - 电源： | 750µA |
| 电流 - 输出 / 通道： | 85mA |
| 电压 - 电源，单路/双路(±)： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-TSSOP，SC-88，SOT-363 |
| 供应商设备封装： | SC-70-6 |
| 包装： | 带卷 (TR) |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX44280AYT+T | 功能描述:运算放大器 - 运放 Decompensated MAX44260 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装: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:运算放大器 - 运放 4-bump Op Amp 4-bump Op Amp RoHS:否 制造商:Maxim Integrated 通道数量: 共模抑制比（最小值）: 输入补偿电压: 输入偏流（最大值）: 工作电源电压: 安装风格: 封装 / 箱体: 转换速度: 关闭: 输出电流: 最大工作温度: 封装:Reel |
| MAX44281UANS+ | 制造商:Maxim Integrated Products 功能描述:4-BUMP OP AMP - Rail/Tube |
| MAX44281UANS+T | 功能描述:运算放大器 - 运放 4-bump Op Amp 4-bump Op Amp RoHS:否 制造商:Maxim Integrated 通道数量: 共模抑制比（最小值）: 输入补偿电压: 输入偏流（最大值）: 工作电源电压: 安装风格: 封装 / 箱体: 转换速度: 关闭: 输出电流: 最大工作温度: 封装:Reel |
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