產品詳細資料

Resolution (Bits) 18 Sample rate (max) (ksps) 2000 Number of input channels 1 Interface type Enhanced SPI, SPI Architecture SAR Input type Differential Rating Catalog Reference mode External Input voltage range (max) (V) 5 Input voltage range (min) (V) 0 Features Daisy-Chainable, Oscillator Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 15 Analog supply voltage (min) (V) 1.65 Analog supply voltage (max) (V) 1.95 SNR (dB) 100 Digital supply (min) (V) 1.65 Digital supply (max) (V) 1.95
Resolution (Bits) 18 Sample rate (max) (ksps) 2000 Number of input channels 1 Interface type Enhanced SPI, SPI Architecture SAR Input type Differential Rating Catalog Reference mode External Input voltage range (max) (V) 5 Input voltage range (min) (V) 0 Features Daisy-Chainable, Oscillator Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 15 Analog supply voltage (min) (V) 1.65 Analog supply voltage (max) (V) 1.95 SNR (dB) 100 Digital supply (min) (V) 1.65 Digital supply (max) (V) 1.95
VQFN (RGE) 24 16 mm² 4 x 4
  • Sample Rate: 2 MSPS
  • No Latency Output
  • Excellent DC and AC Performance:
    • INL: ±0.5 LSB
    • DNL: ±0.75 LSB
    • SNR: 100 dB, THD: –118 dB
  • Wide Input Range:
    • Unipolar Differential Input Range: ±VREF
    • VREF Input Range: 2.5 V to 5 V,
      Independent of AVDD
  • Low-Power Dissipation:
    • 9 mW at 2 MSPS (AVDD Only)
    • 15 mW at 2 MSPS (Total)
    • Flexible Low-Power Modes Enable Power Scaling with Throughput
  • Enhanced-SPI (multiSPI™) Digital Interface
  • JESD8-7A-Compliant Digital I/O at 1.8-V DVDD
  • Fully-Specified Over Extended Temperature Range: –40°C to +125°C
  • Small Footprint: 4-mm × 4-mm VQFN
  • Sample Rate: 2 MSPS
  • No Latency Output
  • Excellent DC and AC Performance:
    • INL: ±0.5 LSB
    • DNL: ±0.75 LSB
    • SNR: 100 dB, THD: –118 dB
  • Wide Input Range:
    • Unipolar Differential Input Range: ±VREF
    • VREF Input Range: 2.5 V to 5 V,
      Independent of AVDD
  • Low-Power Dissipation:
    • 9 mW at 2 MSPS (AVDD Only)
    • 15 mW at 2 MSPS (Total)
    • Flexible Low-Power Modes Enable Power Scaling with Throughput
  • Enhanced-SPI (multiSPI™) Digital Interface
  • JESD8-7A-Compliant Digital I/O at 1.8-V DVDD
  • Fully-Specified Over Extended Temperature Range: –40°C to +125°C
  • Small Footprint: 4-mm × 4-mm VQFN

The ADS9110 is an 18-bit, 2-MSPS, successive approximation register (SAR) analog-to-digital converter (ADC) with enhanced performance features. The high throughput enables developers to oversample the input signal to improve dynamic range and accuracy of the measurement. The ADS9120 is a pin-compatible, 16-bit, 2.5-MSPS variant of the ADS9110.

The ADS9110 boosts analog performance while maintaining high-resolution data transfer by using TI’s enhanced SPI feature. Enhanced SPI enables the ADS9110 to achieve high throughput at lower clock speeds, thereby simplifying board layout and lowering system cost.

Enhanced SPI also simplifies the host clocking-in of data, thereby making the device ideal for applications involving FPGAs and DSPs. The ADS9110 is compatible with a standard SPI Interface. The ADS9110 has an internal data parity feature that can be appended to the ADC data output. ADC data validation by the host, using parity bits, improves system reliability.

The device supports JESD8-7A compliant I/Os, the extended industrial temperature range, and is offered in a space-saving, 4-mm × 4-mm, VQFN package.

The ADS9110 is an 18-bit, 2-MSPS, successive approximation register (SAR) analog-to-digital converter (ADC) with enhanced performance features. The high throughput enables developers to oversample the input signal to improve dynamic range and accuracy of the measurement. The ADS9120 is a pin-compatible, 16-bit, 2.5-MSPS variant of the ADS9110.

The ADS9110 boosts analog performance while maintaining high-resolution data transfer by using TI’s enhanced SPI feature. Enhanced SPI enables the ADS9110 to achieve high throughput at lower clock speeds, thereby simplifying board layout and lowering system cost.

Enhanced SPI also simplifies the host clocking-in of data, thereby making the device ideal for applications involving FPGAs and DSPs. The ADS9110 is compatible with a standard SPI Interface. The ADS9110 has an internal data parity feature that can be appended to the ADC data output. ADC data validation by the host, using parity bits, improves system reliability.

The device supports JESD8-7A compliant I/Os, the extended industrial temperature range, and is offered in a space-saving, 4-mm × 4-mm, VQFN package.

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重要文件 類型 標題 格式選項 日期
* Data sheet ADS9110 18-Bit, 2-MSPS, 15-mW, SAR ADC With Enhanced Performance Features datasheet (Rev. B) PDF | HTML 2017年 6月 29日
Product overview Precision ADCs for In-Vitro Diagnostics PDF | HTML 2024年 9月 4日
Application brief Understanding and Using SAR ADC SPICE Micromodel PDF | HTML 2021年 11月 23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
Application brief Improving Input Settling for Precision Data Converters 2017年 12月 12日
Application brief Optimizing Data Transfer on High-Resolution, High-Throughput Data Converters 2017年 12月 12日
Application brief Simplify Isolation Designs Using an Enhanced-SPI ADC Interface 2017年 12月 11日
Application note Improving Resolution of SAR ADC 2017年 6月 14日
White paper Enabling Faster, Smarter, and More Robust Solutions for SAR ADSx With multiSPI 2016年 11月 8日
White paper Voltage-reference impact on total harmonic distortion 2016年 8月 1日

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開發板

ADS9110EVM-PDK — 適用於具有強化型 SPI 之 18 位元、2-MSPS、單通道 SAR ADC 的 ADS9110 性能展示套件

The ADS9110 evaluation module (EVM) performance demonstration kit (PDK) is a platform for evaluating the performance of the ADS9110 successive-approximation register analog-to-digital converter (SAR ADC). The ADS9110EVM-PDK includes the ADS9110 EVM board, the PHI controller board, and accompanying (...)

使用指南: PDF | HTML
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支援軟體

SBAC193 Source Files for SBAA265

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模擬型號

ADS9110 IBIS MODEL

SLAM274.ZIP (12 KB) - IBIS Model
模擬型號

ADS9110 PSpice Model (Rev. B)

SBAM461B.ZIP (3290 KB) - PSpice Model
模擬型號

ADS9110 TINA-TI Spice Model

SBAM254.ZIP (26 KB) - TINA-TI Spice Model
模擬型號

ADS9110 TINA-TI Transient Reference Design

SBAM253.TSC (285 KB) - TINA-TI Reference Design
模擬型號

ADS9110 TINA-TI Transient Reference Simulation

SBAM255.TSC (297 KB) - TINA-TI Reference Design
計算工具

ANALOG-ENGINEER-CALC PC software analog engineer's calculator

The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)

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設計工具

ADC-DAC-TO-VREF-SELECT-DESIGN-TOOL The ADC-TO-VREF-SELECT tool enables the pairing of TI ADCs, DACs, and series voltage references.

The ADC-TO-VREF-SELECT tool enables the pairing of TI analog-to-digital converters (ADCs) and series voltage references. Users can select an ADC device and the desired reference voltage, and the tool will list up to two voltage reference recommendations.
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模擬工具

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

PSpice® for TI 是有助於評估類比電路功能的設計和模擬環境。這款全功能設計和模擬套件使用 Cadence® 的類比分析引擎。PSpice for TI 包括業界最大的模型庫之一,涵蓋我們的類比和電源產品組合,以及特定類比行為模型,且使用無需支付費用。

PSpice for TI 設計和模擬環境可讓您使用其內建函式庫來模擬複雜的混合訊號設計。在進行佈局和製造之前,建立完整的終端設備設計和解決方案原型,進而縮短上市時間並降低開發成本。 

在 PSpice for TI 設計與模擬工具中,您可以搜尋 TI (...)
模擬工具

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 (...)
使用指南: PDF
參考設計

TIPD115 — 採用最低失真、最低雜訊最佳化設定的 18 位元、1 MSPS 資料採集參考設計

This verified design is a high performance data acquisition system (DAQ) using an 18-bit SAR ADC, ADS8881 at a throughput of 1MSPS. This design has been optimized to provide the lowest noise & distortion solution for a full scale input sinewave of 10 KHz. This leads to a maximum possible value (...)
使用指南: PDF
電路圖: PDF
參考設計

TIDA-01055 — 適用於高效能 DAQ 系統的 ADC 電壓參考緩衝器最佳化參考設計

高效能 DAQ 系統的 TIDA-01055 參考設計可將 ADC 參考緩衝器最佳化,以 TI OPA837 高速運算放大器提升 SNR 性能並減少功耗。此裝置用於複合緩衝器配置,相較於傳統運算放大器,可提供 22% 的電源改善。具備整合式緩衝器的電壓參考來源通常缺乏在高通道數系統中實現最佳化性能所需的驅動強度。  此參考設計可驅動多個 ADC,並使用 18 位元、2MSPS SAR ADC 實現 15.77 位元的系統 ENOB。
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00732 — 可實現最大 SNR 和採樣率的 18 位元 2 MSPS 隔離式資料採集參考設計

本「可實現最大 SNR 和取樣率的 18 位元、2Msps 隔離式資料採集參考設計」說明如何克服隔離式資料擷取系統設計中典型的性能限制挑戰:
  • 透過將數位隔離器帶來的傳播延遲降到最低,將取樣率最大化
  • 透過有效緩解數位隔離器所帶來的 ADC 取樣時脈抖動,將高頻率 AC 訊號鏈性能 (SNR) 最大化
Design guide: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
VQFN (RGE) 24 Ultra Librarian

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