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THS4522

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极低功耗双通道轨到轨输出全差分放大器

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THS4552 正在供货 双通道、低噪声、精密、150MHz 全差分放大器 Wider bandwidth (BW) (135 MHz), lower noise (3.3 nV/√Hz) and higher precision (0.175 mV)

THS4522

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产品详情

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 BW at Acl (MHz) 145 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 490 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 4.6 Iq per channel (typ) (mA) 1.14 Rail-to-rail In to V-, Out Vos (offset voltage at 25°C) (max) (mV) 2 Operating temperature range (°C) -40 to 85 Iout (typ) (mA) 55 2nd harmonic (dBc) 133 3rd harmonic (dBc) 141 Frequency of harmonic distortion measurement (MHz) 0.001 GBW (typ) (MHz) 95 Input bias current (max) (pA) 900000 Features Shutdown CMRR (typ) (dB) 102 Rating Catalog
Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 BW at Acl (MHz) 145 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 490 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 4.6 Iq per channel (typ) (mA) 1.14 Rail-to-rail In to V-, Out Vos (offset voltage at 25°C) (max) (mV) 2 Operating temperature range (°C) -40 to 85 Iout (typ) (mA) 55 2nd harmonic (dBc) 133 3rd harmonic (dBc) 141 Frequency of harmonic distortion measurement (MHz) 0.001 GBW (typ) (MHz) 95 Input bias current (max) (pA) 900000 Features Shutdown CMRR (typ) (dB) 102 Rating Catalog
TSSOP (PW) 16 32 mm² (5 mm × 6.4 mm)
  • Fully Differential Architecture
  • Bandwidth: 145 MHz (AV = 1 V/V)
  • Slew Rate: 490 V/µs
  • HD2: –133 dBc at 10 kHz (1 VRMS,
    RL = 1 kΩ)
  • HD3: –141 dBc at 10 kHz (1 VRMS,
    RL = 1 kΩ)
  • Input Voltage Noise: 4.6 nV/√Hz
    (f = 100 kHz)
  • THD+N: –112dBc (0.00025%) at
    1 kHz (22-kHz BW, G = 1, 5 VPP)
  • Open-Loop Gain: 119 dB (DC)
  • NRI–Negative Rail Input
  • RRO–Rail-to-Rail Output
  • Output Common-Mode Control
    (with Low Offset)
  • Power Supply:
    • Voltage: +2.5 V (±1.25 V) to
      +5.5 V (±2.75 V)
    • Current: 1.14 mA/ch
  • Power-Down Capability: 20 µA (typical)
  • Fully Differential Architecture
  • Bandwidth: 145 MHz (AV = 1 V/V)
  • Slew Rate: 490 V/µs
  • HD2: –133 dBc at 10 kHz (1 VRMS,
    RL = 1 kΩ)
  • HD3: –141 dBc at 10 kHz (1 VRMS,
    RL = 1 kΩ)
  • Input Voltage Noise: 4.6 nV/√Hz
    (f = 100 kHz)
  • THD+N: –112dBc (0.00025%) at
    1 kHz (22-kHz BW, G = 1, 5 VPP)
  • Open-Loop Gain: 119 dB (DC)
  • NRI–Negative Rail Input
  • RRO–Rail-to-Rail Output
  • Output Common-Mode Control
    (with Low Offset)
  • Power Supply:
    • Voltage: +2.5 V (±1.25 V) to
      +5.5 V (±2.75 V)
    • Current: 1.14 mA/ch
  • Power-Down Capability: 20 µA (typical)

The THS4521, THS4522, and THS4524 family of devices are very low-power, fully differential amplifiers with rail-to-rail output and an input common-mode range that includes the negative rail. These amplifiers are designed for low-power data acquisition systems and high-density applications where power dissipation is a critical parameter, and provide exceptional performance in audio applications.

The family includes single FDA (THS4521), dual FDA (THS4522), and quad FDA (THS4524) versions.

These fully differential amplifiers feature accurate output common-mode control that allows for dc-coupling when driving analog-to-digital converters (ADCs). This control, coupled with an input common-mode range below the negative rail as well as rail-to-rail output, allows for easy interfacing between single-ended, ground-referenced signal sources. Additionally, these devices are ideally suited for driving both successive-approximation register (SAR) and delta-sigma (ΔΣ) ADCs using only a single +2.5V to +5V and ground power supply.

The THS4521, THS4522, and THS4524 family of fully differential amplifiers is characterized for operation over the full industrial temperature range from –40°C to +85°C.

The THS4521, THS4522, and THS4524 family of devices are very low-power, fully differential amplifiers with rail-to-rail output and an input common-mode range that includes the negative rail. These amplifiers are designed for low-power data acquisition systems and high-density applications where power dissipation is a critical parameter, and provide exceptional performance in audio applications.

The family includes single FDA (THS4521), dual FDA (THS4522), and quad FDA (THS4524) versions.

These fully differential amplifiers feature accurate output common-mode control that allows for dc-coupling when driving analog-to-digital converters (ADCs). This control, coupled with an input common-mode range below the negative rail as well as rail-to-rail output, allows for easy interfacing between single-ended, ground-referenced signal sources. Additionally, these devices are ideally suited for driving both successive-approximation register (SAR) and delta-sigma (ΔΣ) ADCs using only a single +2.5V to +5V and ground power supply.

The THS4521, THS4522, and THS4524 family of fully differential amplifiers is characterized for operation over the full industrial temperature range from –40°C to +85°C.
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技术文档

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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 THS452x Very Low Power, Negative Rail Input, Rail-To-Rail Output, Fully Differential Amplifier 数据表 (Rev. H) PDF | HTML 2015-6-18
应用简报 差动 ADC 驱动的运算放大器与全差动放大器 PDF | HTML 英语版 PDF | HTML 2026-1-14
应用简报 差分 ADC 的有源滤波器设计 (Rev. A) PDF | HTML 英语版 (Rev.A) PDF | HTML 2025-11-7
电路设计 使用全差分放大器的单端输入至差分输出电路 (Rev. A) PDF | HTML 英语版 (Rev.A) PDF | HTML 2024-10-1
电子书 Engineer's Guide to High-Speed Amplifiers PDF | HTML 2023-10-18
应用手册 Attenuator Amplifier Design to Maximize the Input Voltage of Differential ADCs 2018-6-14
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
应用手册 Fully-Differential Amplifiers (Rev. E) 2016-9-19
模拟设计期刊 使用负输入电压的单电源全差动放大器驱动 ADC 英语版 2011-4-4
模拟设计期刊 Using fully differential op amps as attenuators, Part 3 2009-10-4
模拟设计期刊 Using fully differential op amps as attenuators, Part 2 2009-7-14
模拟设计期刊 Analysis of fully differential amplifiers 2005-3-11
模拟设计期刊 Designing for low distortion with high-speed op amps 2005-3-2
应用手册 Noise Analysis for High Speed Op Amps (Rev. A) 2005-1-17

设计与开发

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评估板

THS4522EVM — THS4522 评估模块

THS4522EVM 是一款 PW（16 引线 TSSOP）封装中双路 THS4522 的评估模块。

THS4522EVM 旨在快速简便地演示放大器的功能和实用性。该 EVM 随时准备好通过板载连接器与电源、信号源和测试仪表相连。默认的放大器配置是单端输入、单端输出（通过变压器）和双电源。它可以被轻松配置为差动输入、差动输出和单电源供电。

THS4522EVM 用户指南包含在产品数据表中。

用户指南: PDF
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仿真模型

THS4522 PSpice Model (Rev. A)

SBOMA75A.ZIP (22 KB) - PSpice 模型
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仿真模型

THS4522 TINA-TI Reference Design (Rev. A)

SBOMA73A.TSC (66 KB) - TINA-TI 参考设计
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仿真模型

THS4522 TINA-TI Spice Model (Rev. A)

SBOMA74A.ZIP (16 KB) - TINA-TI Spice 模型
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计算工具

SBOR022 — TI FDA Calculator

支持的产品和硬件
封装 引脚 CAD 符号、封装和 3D 模型
TSSOP (PW) 16 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

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