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| 型号： | MAX44280AXT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/16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
11
Maxim Integrated
Applications Information
Power-Up Autotrim
The IC features an automatic trim that self-calibrates
the VOS of this device to less than 50FV of input offset
voltage on power-up. This self-calibration feature allows
the device to eliminate input offset voltage effects due
to power supply and operating temperature variation
simply by cycling its power. The autotrim sequence takes
approximately 10ms to complete and is triggered by an
internal power-on-reset (POR) circuitry. During this time,
the inputs and outputs are put into high impedance and
left unconnected.
Shutdown Operation
The MAX44280 features an active-low shutdown mode
that puts both inputs and outputs into high impedance
and substantially lowers the quiescent current to less
than 1FA. Putting the output into high impedance allows
multiple outputs to be multiplexed onto a single output
line without the additional external buffers. The device
does not self-calibrate when exiting shutdown mode
and retains its power-up trim settings. The device also
recovers from shutdown in under 30Fs.
The shutdown logic levels of the device is independent
of supply, allowing the shutdown feature of the device to
operate off of a 1.8V or 3.3V microcontroller, regardless
of supply voltage.
Rail-to-Rail Input/Output
The input voltage range of the IC extends 100mV above
VDD and below VSS. The wide input common-mode
voltage range allows the op amp to be used as a buf-
fer and as a differential amplifier in a wide-variety of
signal processing applications. Output voltage high/low
is designed to be only 50mV above VSS and below VDD
allowing maximum dynamic range in single-supply appli-
cations. The high output current and capacitance drive
capability of the device make it ideal as an ADC driver
and a line driver.
Input Bias Current
The IC features a high-impedance CMOS input stage
and a specialized ESD structure that allows low-input
bias current operation at low-input, common-mode volt-
ages. Low-input bias current is useful when interfacing
with high-ohmic sensors. It is also beneficial for design-
ing transimpedance amplifiers for photodiode sensors.
This makes the device ideal for ground-referenced medi-
cal and industrial sensor applications.
Active Filters
The MAX44280 is ideal for a wide variety of active filter
circuits that makes use of the wide bandwidth, rail-to-rail
input/output stages and high-impedance CMOS inputs.
Driver for Interfacing with
the MAX11645 ADC
The IC’s tiny size and low noise make it a good fit for driv-
ing 12- to 16-bit resolution ADCs in space-constrained
applications. The Typical Application Circuit shows the
MAX44280 amplifier output connected to a lowpass filter
driving the MAX11645 ADC. The MAX11645 is part of a
family of 3V and 5V, 12-bit and 10-bit, 2-channel ADCs.
The MAX11645 offers sample rates up to 94ksps and
measures two single-ended inputs or one differential
input. These ADCs dissipate 670FA at the maximum sam-
pling rate, but just 6FA at 1ksps and 0.5FA in shutdown.
Offered in the ultra-tiny, 1.9mm x 2.2mm WLP and FMAX-
8 packages, the MAX11645 ADCs are an ideal fit to pair
with the MAX44280 amplifier in portable applications.
Where higher resolution is required, refer to the MAX1069
(14-bit) and MAX1169 (16-bit) ADC families.
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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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