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精密运算放大器 (Vos<1mV)

OPA2202

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低噪声（0.2µVPP，9nV/√Hz）、高容性驱动 (25nF) 双路超 β 精密运算放大器

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OPA2202

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产品详情

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4.5 Vos (offset voltage at 25°C) (max) (mV) 0.2 Offset drift (typ) (µV/°C) 0.5 Input bias current (max) (pA) 2000 GBW (typ) (MHz) 1 Features Cost Optimized, High Cload Drive, Super Beta Slew rate (typ) (V/µs) 0.35 Rail-to-rail No Iq per channel (typ) (mA) 0.58 Vn at 1 kHz (typ) (nV√Hz) 9 CMRR (typ) (dB) 148 Rating Catalog Operating temperature range (°C) -40 to 150 Iout (typ) (A) 0.035 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 1.5 Input common mode headroom (to positive supply) (typ) (V) -1.5 Output swing headroom (to negative supply) (typ) (V) 0.65 Output swing headroom (to positive supply) (typ) (V) -0.65 THD + N at 1 kHz (typ) (%) 0.0002
Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4.5 Vos (offset voltage at 25°C) (max) (mV) 0.2 Offset drift (typ) (µV/°C) 0.5 Input bias current (max) (pA) 2000 GBW (typ) (MHz) 1 Features Cost Optimized, High Cload Drive, Super Beta Slew rate (typ) (V/µs) 0.35 Rail-to-rail No Iq per channel (typ) (mA) 0.58 Vn at 1 kHz (typ) (nV√Hz) 9 CMRR (typ) (dB) 148 Rating Catalog Operating temperature range (°C) -40 to 150 Iout (typ) (A) 0.035 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 1.5 Input common mode headroom (to positive supply) (typ) (V) -1.5 Output swing headroom (to negative supply) (typ) (V) 0.65 Output swing headroom (to positive supply) (typ) (V) -0.65 THD + N at 1 kHz (typ) (%) 0.0002
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm) VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm)
  • Precision super-beta performance:
    • Low offset voltage: 200 µV (maximum)
    • Ultra-low drift: 1 µV/°C (maximum)
  • Excellent efficiency:
    • Quiescent current: 580 µA (typical)
    • Gain-bandwidth product: 1 MHz
    • Low input voltage noise: 9 nV/√Hz
  • Ease of use, design simplicity:
    • Heavy capacitive load drive: 5-µs settling time with 25 nF
    • Ultra-high input impedance: 3000 GΩ and
      0.5 pF
    • EMI hardened, thermal, and short-circuit protection
  • Stable Performance:
    • High CMRR and AOL: 126 dB (minimum)
    • High PSRR: 126 dB (minimum)
  • Low bias current: 2 nA (maximum)
  • Low 0.1-Hz to 10-Hz noise: 0.2 µVPP
  • Wide supply voltage: ±2.25 V to ±18 V
  • Replaces OP-07 and OP-27
  • Precision super-beta performance:
    • Low offset voltage: 200 µV (maximum)
    • Ultra-low drift: 1 µV/°C (maximum)
  • Excellent efficiency:
    • Quiescent current: 580 µA (typical)
    • Gain-bandwidth product: 1 MHz
    • Low input voltage noise: 9 nV/√Hz
  • Ease of use, design simplicity:
    • Heavy capacitive load drive: 5-µs settling time with 25 nF
    • Ultra-high input impedance: 3000 GΩ and
      0.5 pF
    • EMI hardened, thermal, and short-circuit protection
  • Stable Performance:
    • High CMRR and AOL: 126 dB (minimum)
    • High PSRR: 126 dB (minimum)
  • Low bias current: 2 nA (maximum)
  • Low 0.1-Hz to 10-Hz noise: 0.2 µVPP
  • Wide supply voltage: ±2.25 V to ±18 V
  • Replaces OP-07 and OP-27

The OPA202, OPA2202, and OPA4202 (OPAx202) are a family of devices built on TI’s industry-leading precision super-beta, complementary, bipolar semiconductor process. This process offers ultra-low flicker noise, low offset voltage, low offset voltage temperature drift, and excellent linearity with common-mode and power-supply variation. These devices offer an exceptional combination of dc precision, heavy capacitive load drive, and protection against external EMI, thermal, and short-circuit events.

The supply current is 580 µA at ±18 V. The OPAx202 do not exhibit phase inversion, and the series is stable with high capacitive loads. The OPAx202 are fully specified with a temperature range from –40°C to +105°C.

The OPA202, OPA2202, and OPA4202 (OPAx202) are a family of devices built on TI’s industry-leading precision super-beta, complementary, bipolar semiconductor process. This process offers ultra-low flicker noise, low offset voltage, low offset voltage temperature drift, and excellent linearity with common-mode and power-supply variation. These devices offer an exceptional combination of dc precision, heavy capacitive load drive, and protection against external EMI, thermal, and short-circuit events.

The supply current is 580 µA at ±18 V. The OPAx202 do not exhibit phase inversion, and the series is stable with high capacitive loads. The OPAx202 are fully specified with a temperature range from –40°C to +105°C.
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OPA2206 正在供货 具有 e-trim™ 和超 β 输入晶体管的 OVP ±40V、低功耗、低噪声精密放大器 This product has much lower offset voltage and drift with additional input protection

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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 OPAx202 Precision, Low-Noise, Heavy Capacitive Drive, 36-V Operational Amplifiers 数据表 (Rev. H) PDF | HTML 2020-5-20
应用手册 使用超 β 全差分放大器优化噪声和功耗 PDF | HTML 英语版 PDF | HTML 2021-11-22

设计与开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

评估板

AMP-PDK-EVM — 放大器高性能开发套件评估模块

放大器高性能开发套件 (PDK) 是一款用于测试常见运算放大器参数的评估模块 (EVM) 套件，与大多数运算放大器和比较器均兼容。该 EVM 套件提供了一个主板，主板上具有多个插槽式子卡选项以满足封装需求，使工程师能够快速评估和验证器件性能。

AMP-PDK-EVM 套件支持五种常用的业界通用封装，包括：

  • D（SOIC-8 和 SOIC-14）
  • PW (TSSOP-14)
  • DGK (VSSOP-8)
  • DBV（SOT23-5 和 SOT23-6）
  • DCK（SC70-5 和 SC70-6）
用户指南: PDF | HTML
支持的产品和硬件
评估板

DIYAMP-EVM — 通用自制 (DIY) 放大器电路评估模块

DIYAMP-EVM 是一个评估模块 (EVM) 系列，可为工程师和自制人员 (DIYer) 提供真实的放大器电路，使用户能够快速评估设计概念并验证仿真。此系列 EVM 采用 3 种业界通用封装选项（SC70、SOT-23 和 SOIC）并提供 12 种流行的放大器配置，包括放大器、滤波器、稳定性补偿以及同时适用于单电源和双电源的比较器配置。

DIYAMP-EVM 让原型设计变得快速轻松，并使用常用的 0805 或 0603 表面贴装式元件。通过配置多种组合，此 EVM 让用户能够构建广泛的评估电路，包括从简单的放大器电路到复杂的信号链。此 EVM 与试验电路板、超小型 A 版 (SMA) (...)

用户指南: PDF | HTML
支持的产品和硬件
仿真模型

OPAx202 PSpice Model (Rev. D)

SBOMAH6D.ZIP (30 KB) - PSpice 模型
支持的产品和硬件
仿真模型

OPAx202 TINA-TI Reference Design (Rev. C)

SBOMAH5C (346 KB) - TINA-TI 参考设计
支持的产品和硬件
仿真模型

OPAx202 TINA-TI SPICE Model (Rev. C)

SBOMAH4C.ZIP (10 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。

支持的产品和硬件
计算工具

OPAMP-NOISECALC — Noise Calculator

This folder contains three tools to help in understandning and managing noise in cicuits. The included tools are:

  • A noise generator tool - This is a Lab View 4-Run Time executable that generates Gaussian white noise, uniform white noise, 1/f noise, short noise, and 60Hz line noise. Temporal data, (...)
支持的产品和硬件
封装 引脚 CAD 符号、封装和 3D 模型
SOIC (D) 8 Ultra Librarian
VSSOP (DGK) 8 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

订购和质量

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支持和培训

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