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运算放大器 (op amps)
高速运算放大器 (GBW ≥ 50MHz)

OPA832

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低功耗、单电源、固定增益视频缓冲器放大器

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OPA832

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数据表 立即订购

产品详情

Architecture Fixed Gain/Buffer Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.8 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 11 GBW (typ) (MHz) 160 BW at Acl (MHz) 80 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 350 Vn at flatband (typ) (nV√Hz) 9.3 Vn at 1 kHz (typ) (nV√Hz) 9.2 Iq per channel (typ) (mA) 4.25 Vos (offset voltage at 25°C) (max) (mV) 7 Rail-to-rail In to V-, Out Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 72 Input bias current (max) (pA) 10000000 Offset drift (typ) (µV/°C) 20 Iout (typ) (mA) 80 2nd harmonic (dBc) 64 3rd harmonic (dBc) 57 Frequency of harmonic distortion measurement (MHz) 5
Architecture Fixed Gain/Buffer Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.8 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 11 GBW (typ) (MHz) 160 BW at Acl (MHz) 80 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 350 Vn at flatband (typ) (nV√Hz) 9.3 Vn at 1 kHz (typ) (nV√Hz) 9.2 Iq per channel (typ) (mA) 4.25 Vos (offset voltage at 25°C) (max) (mV) 7 Rail-to-rail In to V-, Out Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 72 Input bias current (max) (pA) 10000000 Offset drift (typ) (µV/°C) 20 Iout (typ) (mA) 80 2nd harmonic (dBc) 64 3rd harmonic (dBc) 57 Frequency of harmonic distortion measurement (MHz) 5
SOIC (D) 8 29.4 mm² 4.9 x 6 SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • HIGH BANDWIDTH: 80MHz (G = +2)
  • LOW SUPPLY CURRENT: 3.9mA
  • FLEXIBLE SUPPLY RANGE:
       +2.8V to +11V Single Supply
       ±1.4V to ±5.5V Dual Supply
  • INPUT RANGE INCLUDES GROUND ON SINGLE SUPPLY
  • 4.9VPP OUTPUT SWING ON +5V SUPPLY
  • HIGH SLEW RATE: 350V/µsec
  • LOW INPUT VOLTAGE NOISE: 9.3nV/Hz
  • Pb-FREE SOT23 PACKAGE
  • APPLICATIONS
    • SINGLE-SUPPLY VIDEO LINE DRIVERS
    • CCD IMAGING CHANNELS
    • LOW-POWER ULTRASOUND
    • PORTABLE CONSUMER ELECTRONICS

All trademarks are the property of their respective owners.
  • HIGH BANDWIDTH: 80MHz (G = +2)
  • LOW SUPPLY CURRENT: 3.9mA
  • FLEXIBLE SUPPLY RANGE:
       +2.8V to +11V Single Supply
       ±1.4V to ±5.5V Dual Supply
  • INPUT RANGE INCLUDES GROUND ON SINGLE SUPPLY
  • 4.9VPP OUTPUT SWING ON +5V SUPPLY
  • HIGH SLEW RATE: 350V/µsec
  • LOW INPUT VOLTAGE NOISE: 9.3nV/Hz
  • Pb-FREE SOT23 PACKAGE
  • APPLICATIONS
    • SINGLE-SUPPLY VIDEO LINE DRIVERS
    • CCD IMAGING CHANNELS
    • LOW-POWER ULTRASOUND
    • PORTABLE CONSUMER ELECTRONICS

All trademarks are the property of their respective owners.

The OPA832 is a low-power, high-speed, fixed-gain amplifier designed to operate on a single +3.3V or +5V supply. Operation on ±5V or +10V supplies is also supported. The input range extends below ground and to within 1V of the positive supply. Using complementary common-emitter outputs provides an output swing to within 30mV of ground and 130mV of the positive supply. The high output drive current and low differential gain and phase errors also make it ideal for single-supply consumer video products.

Low distortion operation is ensured by the high gain bandwidth product (200MHz) and slew rate (850V/µs), making the OPA832 an ideal input buffer stage to 3V and 5V CMOS converters. Unlike other low-power, single-supply amplifiers, distortion performance improves as the signal swing is decreased. A low 9.3nV/Hz input voltage noise supports wide dynamic range operation.

The OPA832 is available in an industry-standard SO-8 package. The OPA832 is also available in an ultra-small SOT23-5 package. For gains other than +1, –1, or +2, consider using the OPA830.

The OPA832 is a low-power, high-speed, fixed-gain amplifier designed to operate on a single +3.3V or +5V supply. Operation on ±5V or +10V supplies is also supported. The input range extends below ground and to within 1V of the positive supply. Using complementary common-emitter outputs provides an output swing to within 30mV of ground and 130mV of the positive supply. The high output drive current and low differential gain and phase errors also make it ideal for single-supply consumer video products.

Low distortion operation is ensured by the high gain bandwidth product (200MHz) and slew rate (850V/µs), making the OPA832 an ideal input buffer stage to 3V and 5V CMOS converters. Unlike other low-power, single-supply amplifiers, distortion performance improves as the signal swing is decreased. A low 9.3nV/Hz input voltage noise supports wide dynamic range operation.

The OPA832 is available in an industry-standard SO-8 package. The OPA832 is also available in an ultra-small SOT23-5 package. For gains other than +1, –1, or +2, consider using the OPA830.
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类型 项目标题 下载最新的英语版本 日期
* 数据表 Low-Power, Single-Supply, Fixed-Gain Video Buffer Amplifier 数据表 (Rev. E) 2008年 8月 28日
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 下载英文版本 2018年 1月 31日
应用手册 RLC Filter Design for ADC Interface Applications (Rev. A) 2015年 5月 13日
应用手册 所选封装材料的热学和电学性质 2008年 10月 16日
应用手册 高速数据转换 下载英文版本 2008年 10月 16日
应用手册 Noise Analysis for High Speed Op Amps (Rev. A) 2005年 1月 17日
应用手册 Measuring Board Parasitics in High-Speed Analog Design 2003年 7月 7日

设计和开发

如需其他信息或资源，请查看下方列表，点击标题即可进入详情页面。

评估板

DEM-OPA-SO-1A — 采用 SO-8 封装的单路运算放大器评估模块

The DEM-OPA-SO-1A demonstration fixture helps designers evaluate the operation and performance of TI's High Speed, Wide Bandwidth Operational Amplifiers. This unpopulated PC board is compatible with products offered in the 8-lead SOIC (D) package.

用户指南: PDF
TI.com 上无现货
评估板

DEM-OPA-SOT-1A — 采用 5 引脚和 6 引脚 SOT-23 封装的单路运算放大器评估模块

DEM-OPA-SOT-1A 是一款用于评估高速高带宽运算放大器运行情况和性能的演示板。这款未组装的 PC 板与采用 small-outline transistor (SOT) DBV 封装的产品兼容。

用户指南: PDF
TI.com 上无现货
仿真模型

OPA832 PSpice Model

SBOMA41.ZIP (3 KB) - PSpice Model
下载
仿真模型

OPA832 TINA-TI Reference Design

SBOMA39.TSC (2242 KB) - TINA-TI Reference Design
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仿真模型

OPA832 TINA-TI Spice Model

SBOMA40.ZIP (7 KB) - TINA-TI Spice Model
下载
计算工具

ANALOG-ENGINEER-CALC — 模拟工程师计算器

模拟工程师计算器旨在加快模拟电路设计工程师经常使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的列表（从使用反馈电阻器设置运算放大器增益到为稳定模数转换器 (ADC) 驱动器缓冲器电路选择合适的电路设计元件）。除了可用作单独的工具之外，该计算器还能够很好地与模拟工程师口袋参考书中所述的概念配合使用。
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计算工具

VOLT-DIVIDER-CALC — 分压器确定一组分压电阻

VOLT-DIVIDER-CALC quickly determines a set of resistors for a voltage divider. This KnowledgeBase Javascript utility can be used to find a set of resistors for a voltage divider to achieve the desired output voltage. This calculator can also be used to design non-inverting attentuation circuits.

(...)

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模拟工具

PSPICE-FOR-TI — 适用于 TI 设计和模拟工具的 PSpice®

PSpice® for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence® 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

借助 PSpice for TI 的设计和仿真环境及其内置的模型库，您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案，然后再进行布局和制造，可缩短产品上市时间并降低开发成本。

在 PSpice for TI 设计和仿真工具中，您可以搜索 TI (...)
发送申请
模拟工具

TINA-TI — 基于 SPICE 的模拟仿真程序

TINA-TI 提供了 SPICE 所有的传统直流、瞬态和频域分析以及更多。TINA 具有广泛的后处理功能，允许您按照希望的方式设置结果的格式。虚拟仪器允许您选择输入波形、探针电路节点电压和波形。TINA 的原理图捕获非常直观 - 真正的“快速入门”。

TINA-TI 安装需要大约 500MB。直接安装，如果想卸载也很容易。我们相信您肯定会爱不释手。

TINA 是德州仪器 (TI) 专有的 DesignSoft 产品。该免费版本具有完整的功能，但不支持完整版 TINA 所提供的某些其他功能。

如需获取可用 TINA-TI 模型的完整列表，请参阅：SpiceRack - 完整列表 

需要 HSpice (...)

用户指南: PDF
下载英文版本 (Rev.A): PDF
了解详情
封装 引脚数 下载
SOIC (D) 8 了解详情
SOT-23 (DBV) 5 了解详情
应遵守 TI 的评估模块标准条款与条件.

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 认证摘要
  • 持续可靠性监测

支持与培训

视频