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INA159

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高速 0.2 级精密增益差分放大器

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INA592 正在供货 高精密（40µV 失调电压）、2MHz、88dB CMRR、低功耗、e-trim™ 差分放大器 Higher precision version (e-Trim) with 36-V supply.

INA159

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产品详情

Number of channels 1 Vs (min) (V) 1.8 Vs (max) (V) 5.5 CMRR (min) (dB) 86 Common-mode input low (min) (V) -12.5 Common-mode input high (max) (V) 17.5 Input offset (±) (max) (V) 0.0005 Iq (typ) (mA) 1.1 Slew rate (typ) (V/µs) 15 Voltage gain (min) (V/V) 0.2 Voltage gain (max) (V/V) 0.2 Small-signal bandwidth (typ) (Hz) 1500000 Rating Catalog Operating temperature range (°C) -40 to 125 Gain error (±) (max) (%) 0.024
Number of channels 1 Vs (min) (V) 1.8 Vs (max) (V) 5.5 CMRR (min) (dB) 86 Common-mode input low (min) (V) -12.5 Common-mode input high (max) (V) 17.5 Input offset (±) (max) (V) 0.0005 Iq (typ) (mA) 1.1 Slew rate (typ) (V/µs) 15 Voltage gain (min) (V/V) 0.2 Voltage gain (max) (V/V) 0.2 Small-signal bandwidth (typ) (Hz) 1500000 Rating Catalog Operating temperature range (°C) -40 to 125 Gain error (±) (max) (%) 0.024
VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm)
  • GAIN OF 0.2 TO INTERFACE ±10V SIGNALS TO SINGLE-SUPPLY ADCs
  • GAIN ACCURACY: ±0.024% (max)
  • WIDE BANDWIDTH: 1.5MHz
  • HIGH SLEW RATE: 15V/µs
  • LOW OFFSET VOLTAGE: ±100µV
  • LOW OFFSET DRIFT: ±1.5µV/°C
  • SINGLE-SUPPLY OPERATION DOWN TO 1.8V
  • APPLICATIONS
    • INDUSTRIAL PROCESS CONTROLS
    • INSTRUMENTATION
    • DIFFERENTIAL TO SINGLE-ENDED CONVERSION
    • AUDIO LINE RECEIVERS

All trademarks are the property of their respective owners.
  • GAIN OF 0.2 TO INTERFACE ±10V SIGNALS TO SINGLE-SUPPLY ADCs
  • GAIN ACCURACY: ±0.024% (max)
  • WIDE BANDWIDTH: 1.5MHz
  • HIGH SLEW RATE: 15V/µs
  • LOW OFFSET VOLTAGE: ±100µV
  • LOW OFFSET DRIFT: ±1.5µV/°C
  • SINGLE-SUPPLY OPERATION DOWN TO 1.8V
  • APPLICATIONS
    • INDUSTRIAL PROCESS CONTROLS
    • INSTRUMENTATION
    • DIFFERENTIAL TO SINGLE-ENDED CONVERSION
    • AUDIO LINE RECEIVERS

All trademarks are the property of their respective owners.

The INA159 is a high slew rate, G = 1/5 difference amplifier consisting of a precision op amp with a precision resistor network. The gain of 1/5 makes the INA159 useful to couple ±10V signals to single-supply analog-to-digital converters (ADCs), particularly those operating on a single +5V supply. The on-chip resistors are laser-trimmed for accurate gain and high common-mode rejection. Excellent temperature coefficient of resistance (TCR) tracking of the resistors maintains gain accuracy and common-mode rejection over temperature. The input common-mode voltage range extends beyond the positive and negative supply rails. It operates on +1.8V to +5.5V single or split supplies. The INA159 reference input uses two resistors for easy mid-supply or reference biasing.

The difference amplifier is the foundation of many commonly-used circuits. The INA159 provides this circuit function without using an expensive external precision resistor network. The INA159 is available in an MSOP-8 surface-mount package and is specified for operation over the extended industrial temperature range, -40°C to +125°C.

The INA159 is a high slew rate, G = 1/5 difference amplifier consisting of a precision op amp with a precision resistor network. The gain of 1/5 makes the INA159 useful to couple ±10V signals to single-supply analog-to-digital converters (ADCs), particularly those operating on a single +5V supply. The on-chip resistors are laser-trimmed for accurate gain and high common-mode rejection. Excellent temperature coefficient of resistance (TCR) tracking of the resistors maintains gain accuracy and common-mode rejection over temperature. The input common-mode voltage range extends beyond the positive and negative supply rails. It operates on +1.8V to +5.5V single or split supplies. The INA159 reference input uses two resistors for easy mid-supply or reference biasing.

The difference amplifier is the foundation of many commonly-used circuits. The INA159 provides this circuit function without using an expensive external precision resistor network. The INA159 is available in an MSOP-8 surface-mount package and is specified for operation over the extended industrial temperature range, -40°C to +125°C.
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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 High-Speed, Precision, Gain of 0.2 Level Translation Difference Amplifier 数据表 (Rev. B) 2005-10-31
电子书 The Signal e-book: 有关运算放大器设计主题的博客文章汇编 PDF | HTML 英语版 PDF | HTML 2018-1-31
模拟设计期刊 Q4 2008 Issue Analog Applications Journal 2008-10-22
模拟设计期刊 A dual-polarity, bidirectional current-shunt monitor 2008-10-22

设计与开发

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评估板

DIFFAMP-EVM — 通用差分放大器评估模块

借助 DIFFAMP-EVM，您可以放心地选择差分放大器，并轻松地评估和比较器件。此模块支持多种配置，可以根据您需要的应用进行定制，以实现可靠的评估。它提供了 DIP 适配器部件，无论对于哪种 IC 封装都能够进行评估。

注意：不包括差分放大器 IC
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仿真模型

INA159 and INA159-EP PSpice Model (Rev. B)

SBOC074B.ZIP (27 KB) - PSpice 模型
支持的产品和硬件
仿真模型

INA159 TINA-TI Reference Design (Rev. B)

SBOC075B.TSC (107 KB) - TINA-TI 参考设计
支持的产品和硬件
仿真模型

INA159 TINA-TI Spice Model (Rev. A)

SBOM161A.ZIP (6 KB) - TINA-TI Spice 模型
支持的产品和硬件
计算工具

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

模拟工程师计算器旨在加快模拟电路设计工程师经常运用的许多重复性计算。该基于 PC 的工具提供图形界面，其中显示各种常见计算列表，从使用反馈电阻器设置运算放大器增益到选择合适的电路设计元件，以稳定模数转换器 (ADC) 驱动器缓冲器电路。

除了可用作独立工具之外，该计算器还能很好地与模拟工程师口袋参考中所述的概念配合使用。

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参考设计

TIPD164 — 用于工业输出和温度传感器的模拟输入模块参考设计

此参考设计经过精度验证，实现了用于工业电压、电流和温度传感器的模拟输入模块。  对于工业输出，可能的输入范围包括：4mA 至 20mA、0mA 至 20mA、+/-25mA、0V 至 5V、0V 至 10V、+/-5V 和 +/-10V。此设计包括调节和电平转换电路，可将大工业输出转换为 +5V Δ-Σ ADC 的适当输入范围。ADC 能够直接从 RTD 和热电偶传感器在其整个温度范围内采集信息。

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封装 引脚 CAD 符号、封装和 3D 模型
VSSOP (DGK) 8 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

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