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) 5.4 BW at Acl (MHz) 150 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 220 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 3.3 Iq per channel (typ) (mA) 1.35 Rail-to-rail In to V-, Out Vos (offset voltage at 25°C) (max) (mV) 0.175 Operating temperature range (°C) -40 to 125 Iout (typ) (mA) 45 2nd harmonic (dBc) 128 3rd harmonic (dBc) 139 Frequency of harmonic distortion measurement (MHz) 0.1 GBW (typ) (MHz) 135 Input bias current (max) (pA) 1500000 Features Shutdown CMRR (typ) (dB) 110 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) 5.4 BW at Acl (MHz) 150 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 220 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 3.3 Iq per channel (typ) (mA) 1.35 Rail-to-rail In to V-, Out Vos (offset voltage at 25°C) (max) (mV) 0.175 Operating temperature range (°C) -40 to 125 Iout (typ) (mA) 45 2nd harmonic (dBc) 128 3rd harmonic (dBc) 139 Frequency of harmonic distortion measurement (MHz) 0.1 GBW (typ) (MHz) 135 Input bias current (max) (pA) 1500000 Features Shutdown CMRR (typ) (dB) 110 Rating Catalog
VQFN (RGT) 16 9 mm² 3 x 3 VSSOP (DGK) 8 14.7 mm² 3 x 4.9 WQFN (RUN) 10 4 mm² 2 x 2
  • Bandwidth: 150 MHz (G = 1 V/V)
  • Differential Output Slew Rate: 220 V/µs
  • Gain Bandwidth Product: 135 MHz
  • Negative Rail Input (NRI), Rail-to-Rail Output (RRO)
  • Wide Output Common-Mode Control Range
  • Single-Supply Operating Range: 2.7 V to 5.4 V
  • Trimmed-Supply Current: 1.37 mA at 5 V
  • 25°C Input Offset: ±175 µV (max)
  • Input Offset Voltage Drift: ±1.8 µV/°C (max)
  • Differential Input Voltage Noise: 3.3 nV/√ Hz
  • HD2: –128 dBc at 2 VPP, 100 kHz
  • HD3: –139 dBc at 2 VPP, 100 kHz
  • < 50-ns Settling Time: 4-V Step to 0.01%
  • 18-Bit Settling Time: 4-V Step, < 500 ns
  • Bandwidth: 150 MHz (G = 1 V/V)
  • Differential Output Slew Rate: 220 V/µs
  • Gain Bandwidth Product: 135 MHz
  • Negative Rail Input (NRI), Rail-to-Rail Output (RRO)
  • Wide Output Common-Mode Control Range
  • Single-Supply Operating Range: 2.7 V to 5.4 V
  • Trimmed-Supply Current: 1.37 mA at 5 V
  • 25°C Input Offset: ±175 µV (max)
  • Input Offset Voltage Drift: ±1.8 µV/°C (max)
  • Differential Input Voltage Noise: 3.3 nV/√ Hz
  • HD2: –128 dBc at 2 VPP, 100 kHz
  • HD3: –139 dBc at 2 VPP, 100 kHz
  • < 50-ns Settling Time: 4-V Step to 0.01%
  • 18-Bit Settling Time: 4-V Step, < 500 ns

The THS4551 fully differential amplifier offers an easy interface from single-ended sources to the differential output required by high-precision analog-to-digital converters (ADCs). Designed for exceptional dc accuracy, low noise, and robust capacitive load driving, this device is well suited for data acquisition systems where high precision is required along with the best signal-to-noise ratio (SNR) and spurious-free dynamic range (SFDR) through the amplifier and ADC combination.

The THS4551 features the negative rail input required when interfacing a dc-coupled, ground-centered, source signal to a single-supply differential input ADC. Very low dc error and drift terms support the emerging 16- to 20-bit successive-approximation register (SAR) input requirements. A wide-range output common-mode control supports the ADC running from 1.8-V to 5-V supplies with ADC common-mode input requirements from 0.7 V to greater than 3.0 V.

The THS4551 device is characterized for operation over the wide temperature range of –40°C to +125°C, and is available in 8-pin VSSOP, 16-pin VQFN, and 10-pin WQFN packages.

The THS4551 fully differential amplifier offers an easy interface from single-ended sources to the differential output required by high-precision analog-to-digital converters (ADCs). Designed for exceptional dc accuracy, low noise, and robust capacitive load driving, this device is well suited for data acquisition systems where high precision is required along with the best signal-to-noise ratio (SNR) and spurious-free dynamic range (SFDR) through the amplifier and ADC combination.

The THS4551 features the negative rail input required when interfacing a dc-coupled, ground-centered, source signal to a single-supply differential input ADC. Very low dc error and drift terms support the emerging 16- to 20-bit successive-approximation register (SAR) input requirements. A wide-range output common-mode control supports the ADC running from 1.8-V to 5-V supplies with ADC common-mode input requirements from 0.7 V to greater than 3.0 V.

The THS4551 device is characterized for operation over the wide temperature range of –40°C to +125°C, and is available in 8-pin VSSOP, 16-pin VQFN, and 10-pin WQFN packages.

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類型 標題 日期
* Data sheet THS4551 Low-Noise, Precision, 150-MHz, Fully Differential Amplifier datasheet (Rev. D) PDF | HTML 2021年 4月 23日
Product overview Pairing ADC Drivers With Fully-Differential Input ADCs for Wide Bandwidth Data Acquisition 2024年 4月 1日
Application note Continuous Wave Doppler Signal Chain Designs for TI’s Ultrasound AFE PDF | HTML 2024年 3月 27日
Product overview PLC Analog Input Front-End Architectures PDF | HTML 2022年 7月 31日
Technical article Balancing ADC size, power, resolution and bandwidth in precision data-acquisition PDF | HTML 2021年 12月 3日
Application brief Optimizing LCR Meter Front-End Design for Accurate Impedance Measurements PDF | HTML 2021年 1月 20日
Application brief Setting a Constant Common-Mode Voltage for Fully-Differential SAR ADC Inputs 2019年 9月 6日
Circuit design High-input impedance, true differential, AFE attenuator circuit for SAR ADCs (Rev. A) 2019年 3月 8日
Circuit design True differential, 4 × 2 MUX, analog front end, simultaneous-sampling ADC circui (Rev. A) 2018年 11月 15日
Application brief Maximizing System Total Harmonic Distortion Using High Speed Amplifiers 2018年 6月 20日
Application note Attenuator Amplifier Design to Maximize the Input Voltage of Differential ADCs 2018年 6月 14日
Circuit design High-current battery monitor circuit: 0–10A, 0-10kHz, 18 bit 2017年 12月 22日
Application note Precision Sum Circuit Support Hi Output Current Multiple AFEs in Ultasound App 2017年 11月 20日
Technical article Powering up the performance of sensitive test and measurement systems PDF | HTML 2017年 10月 17日
E-book The Signal e-book: A compendium of blog posts on op amp design topics 2017年 3月 28日
Technical article What you need to know about input bias current – and why PDF | HTML 2016年 12月 8日
Technical article Go differential to differentiate your precision design PDF | HTML 2016年 8月 11日
Application note Noise Analysis for High Speed Op Amps (Rev. A) 2005年 1月 17日

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開發板

ADS8900BEVM-PDK — ADS8900B 全差動輸入、20 位元 SAR ADC EVM 性能展示套件 (PDK)

ADS8900B 評估模組 (EVM) 和性能展示套件 (PDK) 是評估 ADS8900B 連續近似暫存器 (SAR) 類比轉數位轉換器 (SAR) 效能的平台、這是一款全差動輸入、20 位元、1-MSPS裝置。ADS8900BEVM-PDK 包括 ADS8900B EVM 板和啓用隨附電腦軟體的精密主機介面 (PHI) 控制器電路板。

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THS4551DGKEVM — THS4551DGK 評估模組

The THS4551DGKEVM is an evaluation module for the single THS4551 amplifier in the DGK (VSSOP-8) package. This evaluation module is designed to quickly and easily demonstrate the functionality and versatility of the amplifier. The EVM is ready to connect to power, signal source, and test (...)
使用指南: PDF
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開發板

THS4551RGTEVM — THS4551RGT 評估模組

The THS4551RGTEVM is an evaluation module for the single THS4551 amplifier in the RGT (WQFN-10) package. This evaluation module is designed to quickly and easily demonstrate the functionality and versatility of the amplifier. The EVM is ready to connect to power, signal source, and test (...)
使用指南: PDF
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開發板

THS4551RUNEVM — THS4551RUN 評估模組

The THS4551RUNEVM is an evaluation module for the single THS4551 amplifier in the RUN (WQFN-10) package. This evaluation module is designed to quickly and easily demonstrate the functionality and versatility of the amplifier. The EVM is ready to connect to power, signal source, and test (...)
使用指南: PDF
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SBOC461 TINA-TI ADS127L01 MFB Driver LG Test of Figure78 THS4551

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TINA-TI 基於 SPICE 的類比模擬程式
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SBOC462 TINA-TI ADS127L01 MFB Driver of Figure78 THS4551

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THS4551 低雜訊、精密、150MHz、全差分放大器 THS4552 雙通道、低雜訊、精密、150-MHz、全差分放大器
精確 ADC
ADS127L01 24 位元、512kSPS、單通道、超低功耗、高頻寬 Delta-Sigma ADC
軟體
模擬工具
TINA-TI 基於 SPICE 的類比模擬程式
模擬型號

THS4551 PSpice Model (Rev. B)

SBOMB92B.ZIP (53 KB) - PSpice Model
模擬型號

THS4551 TINA-TI Spice Model (Rev. C)

SBOMA28C.TSC (7439 KB) - TINA-TI Spice Model
模擬型號

THS4551DGK Unencrypted TINA-TI Model Package (Rev. C)

SBOMA29C.TSC (35 KB) - TINA-TI Reference Design
模擬型號

TINA-TI 100kHz MFB filter LG test of Figure 87 THS4551

SBOC459.ZIP (80 KB) - TINA-TI Spice Model
模擬型號

TINA-TI AC Coupled Single to Differentiate Gain of 2 Figure70 THS4551

SBOC460.ZIP (147 KB) - TINA-TI Spice Model
模擬型號

TINA-TI AC coupled different IO Figure 75 THS4551

SLOC341.ZIP (107 KB) - TINA-TI Spice Model
模擬型號

TINA-TI ADTL1-4-75 Model Test for Figure 62 THS4551

SBOC463.ZIP (198 KB) - TINA-TI Spice Model
模擬型號

TINA-TI Attenuator With No Caps Gain of 0.1 Figure80 THS4551

SBOC465.ZIP (201 KB) - TINA-TI Spice Model
模擬型號

TINA-TI Attenuator With a Caps Gain of 0.1 Figure81 THS4551

SBOC464.ZIP (199 KB) - TINA-TI Spice Model
模擬型號

TINA-TI Basic Gain of 1 Test Circuit Figure61 THS4551

SBOC466.ZIP (228 KB) - TINA-TI Spice Model
模擬型號

TINA-TI Common Mode Test CKT Figure65 THS4551

SBOC467.ZIP (118 KB) - TINA-TI Spice Model
模擬型號

TINA-TI Differential Audio DAC ZT Design Figure90 THS4551

SBOC468.ZIP (87 KB) - TINA-TI Spice Model
模擬型號

TINA-TI Differential IO with OPA2192 to FDA to SAR Figure 76 THS4551

SBOC469.ZIP (118 KB) - TINA-TI Spice Model
模擬型號

TINA-TI Differential Transimpedance LG Sim Figure90 THS4551

SBOC470.ZIP (10 KB) - TINA-TI Spice Model
模擬型號

TINA-TI Gain of 0.2 100kHz Butterworth MFB Filter Figure87 THS4551

SBOC471.ZIP (171 KB) - TINA-TI Spice Model
模擬型號

TINA-TI Gain of 5 Single to Different Simplified for Figure72 THS4551

SBOC472.ZIP (89 KB) - TINA-TI Spice Model
模擬型號

TINA-TI Gain of 5 Single to Different with 10Mhz Bessel Figure93 THS4551

SBOC473.ZIP (218 KB) - TINA-TI Spice Model
模擬型號

TINA-TI High Gain Single to Different with Feedback Pole Figure 83 THS4551

SBOC475.ZIP (117 KB) - TINA-TI Spice Model
模擬型號

TINA-TI Open Loop No Load Response Figure99 THS4551

SBOC476.ZIP (68 KB) - TINA-TI Spice Model
模擬型號

TINA-TI Single to Differential Attenuator Figure71 THS4551

SBOC477.ZIP (119 KB) - TINA-TI Spice Model
計算工具

SBOR022 TI FDA Calculator

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產品
全差分放大器
LMH6550 400MHz 差動高速運算放大器 LMH6551 370MHz 差動高速運算放大器 LMH6552 1.5 GHz 全差動放大器 LMH6553 具輸出限制箝位的 900 MHz 全差動放大器 LMH6554 2.8 GHz 超線性全差動放大器 LMP8350 具可選功耗模式的超低失真全差動精密 ADC 驅動器 OPA862 12.6V、低雜訊、單端到差分、高輸入阻抗放大器 THS4120 具有關機功能的 3.3 V、100 MHz、43 V/us、全差分 CMOS 放大器 THS4121 3.3 V、100 MHz、43 V/us、全差分 CMOS 放大器 THS4130 具有關機功能的 150MHz 全差分輸入/輸出低雜訊放大器 THS4131 全差分輸入/輸出低雜訊放大器 THS4140 具有關機功能的 160MHz 全差分輸入/輸出高電壓轉換率放大器 THS4141 160MHz 全差分輸入/輸出高電壓轉換率放大器 THS4150 具有關機功能的 150MHz 全差分輸入/輸出高電壓轉換率放大器 THS4151 150MHz 全差分輸入/輸出高電壓轉換率放大器 THS4500 具有斷電功能的 15V 高速全差分放大器 THS4501 高速全差動放大器,+/-5V THS4503 高速全差分放大器 THS4504 具有關機功能的寬頻低失真全差分放大器 THS4505 寬頻、低失真、全差動放大器 THS4508 寬頻全差分放大器 THS4509 1.9-GHz、寬頻、低雜訊、低失真、全差分放大器 THS4511 1.6-GHz、均一增益、寬頻、低雜訊、低失真、全差分放大器 THS4513 1.6-GHz、最小增益 1-V/V、低雜訊、低失真、全差動放大器 THS4520 軌至軌輸出寬頻全差動放大器 THS4521 極低功耗軌至軌輸出全差動放大器 THS4522 極低功率雙通道軌至軌輸出全差動放大器 THS4524 極低功耗四通道軌至軌輸出全差動放大器 THS4531 超低功耗 0.25mA、RRO、全差分放大器 THS4531A 超低功耗、RRO、全差動放大器 THS4532 雙路、超低功耗 0.25mA、RRO、全差動放大器 THS4541 高速差分 I/O 放大器 THS4551 低雜訊、精密、150MHz、全差分放大器 THS4552 雙通道、低雜訊、精密、150-MHz、全差分放大器 THS4561 低功耗、60MHz、寬電源供電範圍全差分放大器 THS4567 具有 VICM 和 VOCM 控制的 220 MHz CMOS 輸入全差動放大器 THS770006 具 +6dB 固定增益的高速全差動 ADC 驅動器放大器
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模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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TINA-TI — 基於 SPICE 的類比模擬程式

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
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封裝 引腳 下載
VQFN (RGT) 16 檢視選項
VSSOP (DGK) 8 檢視選項
WQFN (RUN) 10 檢視選項

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