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THS4535

現行

高精密度 CMOS NRI/RRO 全差動放大器

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產品規格表

THS4535

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 BW at Acl (MHz) 65 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 47 Architecture Fully Differential, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 4.3 Iq per channel (typ) (mA) 4.7 Rail-to-rail In to V-, Out Vos (offset voltage at 25°C) (max) (mV) 1.4 Operating temperature range (°C) -40 to 125 Iout (typ) (mA) 60 2nd harmonic (dBc) 125 3rd harmonic (dBc) 114 Frequency of harmonic distortion measurement (MHz) 0.01 GBW (typ) (MHz) 80 Input bias current (max) (pA) 20 Features Shutdown CMRR (typ) (dB) 114 Rating Catalog
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 BW at Acl (MHz) 65 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 47 Architecture Fully Differential, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 4.3 Iq per channel (typ) (mA) 4.7 Rail-to-rail In to V-, Out Vos (offset voltage at 25°C) (max) (mV) 1.4 Operating temperature range (°C) -40 to 125 Iout (typ) (mA) 60 2nd harmonic (dBc) 125 3rd harmonic (dBc) 114 Frequency of harmonic distortion measurement (MHz) 0.01 GBW (typ) (MHz) 80 Input bias current (max) (pA) 20 Features Shutdown CMRR (typ) (dB) 114 Rating Catalog
VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm) WQFN (RUN) 10 4 mm² (2 mm × 2 mm)
  • Bandwidth: 65MHz (G = 1V/V)
  • Gain bandwidth product: 80MHz
  • THS453x Device Comparison:
    • THS4535 offset voltage: 2mV (max)
    • THS4535 offset drift: 1.4µV/°C (max)
    • THS4536 offset voltage: 20µV (max)
    • THS4536 offset drift: 0.8µV/°C (max)
  • Supply operating range: 2.7V to 5.5V
  • Low harmonic distortion:
    • HD2: 125dBc at 2VPP, 10kHz
    • HD3: 114dBc at 2VPP, 10kHz
  • Slew rate: 47V/µs & 57V/µs (Rising & Falling)
  • Low noise:
    • Voltage Noise: 4.3nV/√Hz (2.5kHz 1/f corner)
    • Current Noise: 70fA/√Hz
  • Low Bias & Offset Current: ±40pA at 125C (max)
  • Supply current: 4.7mA
  • Negative rail input (NRI)
  • Rail-to-rail output (RRO):
    • THS4535: 100mV from rails (typical)
    • THS4536: 80mV from rails (max)
  • Temperature range: −40°C to +125°C
  • Bandwidth: 65MHz (G = 1V/V)
  • Gain bandwidth product: 80MHz
  • THS453x Device Comparison:
    • THS4535 offset voltage: 2mV (max)
    • THS4535 offset drift: 1.4µV/°C (max)
    • THS4536 offset voltage: 20µV (max)
    • THS4536 offset drift: 0.8µV/°C (max)
  • Supply operating range: 2.7V to 5.5V
  • Low harmonic distortion:
    • HD2: 125dBc at 2VPP, 10kHz
    • HD3: 114dBc at 2VPP, 10kHz
  • Slew rate: 47V/µs & 57V/µs (Rising & Falling)
  • Low noise:
    • Voltage Noise: 4.3nV/√Hz (2.5kHz 1/f corner)
    • Current Noise: 70fA/√Hz
  • Low Bias & Offset Current: ±40pA at 125C (max)
  • Supply current: 4.7mA
  • Negative rail input (NRI)
  • Rail-to-rail output (RRO):
    • THS4535: 100mV from rails (typical)
    • THS4536: 80mV from rails (max)
  • Temperature range: −40°C to +125°C

The THS4535 is a 60MHz fully differential amplifier (FDA) that is specifically designed to drive fully differential analog-to-digital converters (ADCs) up to 2MSPS. The THS453x family offers two options: THS4535 (untrimmed) & THS4536 (trimmed).

The THS4535 is an excellent choice for simple single-to-dual conversions. FDAs such as the THS4535 offer performance benefits over traditional dual op amps, including bandwidth and phase balance between outputs and a VOCM pin to easily adjust the output common-mode voltage. For higher dc precision applications, such as high-speed low-side current shunt measurements, the THS4536 provides package level trim for offset and offset drift. THS453x devices also provide higher transient current output drive to meet the needs of successive approximation register (SAR) ADC charge injection and delta-sigma (ΔΣ) ADC precharge buffers.

The THS4535 is a 60MHz fully differential amplifier (FDA) that is specifically designed to drive fully differential analog-to-digital converters (ADCs) up to 2MSPS. The THS453x family offers two options: THS4535 (untrimmed) & THS4536 (trimmed).

The THS4535 is an excellent choice for simple single-to-dual conversions. FDAs such as the THS4535 offer performance benefits over traditional dual op amps, including bandwidth and phase balance between outputs and a VOCM pin to easily adjust the output common-mode voltage. For higher dc precision applications, such as high-speed low-side current shunt measurements, the THS4536 provides package level trim for offset and offset drift. THS453x devices also provide higher transient current output drive to meet the needs of successive approximation register (SAR) ADC charge injection and delta-sigma (ΔΣ) ADC precharge buffers.
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最新 THS4536 現行 超高精度 CMOS NRI/RRO 全差動放大器 Higher precision version, lower offset voltage (50 μV max) and lower offset voltage drift (0.8 μV/°C max)

技術文件

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 THS4535 High-Precision, 60MHz, Fully Differential Amplifier datasheet (Rev. A) PDF | HTML 2025/12/19
技術文章 Go Differential to Differentiate Your Precision Design (Rev. A) PDF | HTML 2026/2/10
Application brief Why Use an FDA to Drive an ADC? PDF | HTML 2026/1/8
Application brief Active Filter Design for Differential ADCs (Rev. A) PDF | HTML 2025/10/8
證書 DEM-FDA-RUN-EVM EU Declaration of Conformity (DoC) (Rev. A) 2025/9/3
Circuit design Single-ended input to differential output circuit using a fully-differential amp (Rev. A) PDF | HTML 2024/9/25
Product overview Pairing ADC Drivers With Fully-Differential Input ADCs for Wide Bandwidth Data Acquisition 2024/4/1
電子書 Engineer's Guide to High-Speed Amplifiers PDF | HTML 2023/10/18
技術文章 Why precision matters with fully differential amplifiers PDF | HTML 2021/2/10
Application brief Setting a Constant Common-Mode Voltage for Fully-Differential SAR ADC Inputs 2019/9/6
Application brief Maximizing System Total Harmonic Distortion Using High Speed Amplifiers 2018/6/20
應用說明 Attenuator Amplifier Design to Maximize the Input Voltage of Differential ADCs 2018/6/14
應用說明 Fully-Differential Amplifiers (Rev. E) 2016/9/19
類比設計期刊 Using single-supply fully diff. amps with neg. input voltages to drive ADCs 2010/11/15

設計與開發

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DEM-FDA-DGK-EVM — 採用 DGK (HVSSOP) 封裝且適用於全差分放大器的未組裝評估模組

DEM-FDA-DGK-EVM 是採用 DGK (HVSSOP) 封裝之全差動放大器 (FDA) 的空板評估模組 (EVM)。此 EVM 是根據高速性能規格和德州儀器 FDA 進行設計，具備輸出共模 (Vocm) 控制和關機 (PD) 功能。該 EVM 設計旨在使用 50-Ω SMA 連接器與實驗室設備搭配使用，對高速 FDA 進行快速高效的實驗室測試。電路圖會考量所有必要的連接器以執行實驗室量測，包括電源和訊號連線。該EVM 是在依照電路圖組裝時會針對單端輸入及單端輸出進行配置，並且會調適全差動行為及適當配置。輸出變壓器可實現單端輸出以輕鬆介接測試設備，並且具備外部 SMA (...)
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DEM-FDA-RUN-EVM — 採用 WQFN (RUN) 封裝的全差分放大器評估模組

DEM-FDA-RUN-EVM 是適用於 RUN 封裝（WQFN 10 接腳）全差動放大器 (FDA) 的評估模組，支援多個高速 FDA。此電路板支援快速示範功能和能力，包括為方便使用的 SMA 連接器，並支援多種板載可配置選項：MFB 主動濾波器、負載網路至 FDA、輸出變壓器、用於關機的外部驅動及輸出共模電壓。
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模擬型號

THS4535 TINA-TI SPICE Model and Reference Design (Rev. A)

SBOMCQ0A.ZIP (23 KB) - TINA-TI Spice 模型
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VSSOP (DGK) 8 Ultra Librarian
WQFN (RUN) 10 Ultra Librarian
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