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類比轉數位轉換器 (ADC)
精確 ADC

ADS1262

現行

適用於工廠自動化且具有 PGA 和電壓參考的 32 位元 38-kSPS 10 通道 ΔΣ ADC

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產品規格表

ADS1262

現行
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產品詳細資料

Resolution (Bits) 32 Sample rate (max) (ksps) 38 Number of input channels 10 Interface type SPI Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 2.5, 5 Input voltage range (min) (V) -2.5, 0 Features 50/60 Hz Rejection, Excitation Current Sources (iDACs), GPIO, Oscillator, PGA, Temp Sensor Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 27 Analog supply voltage (min) (V) 4.75 Analog supply voltage (max) (V) 5.25 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
Resolution (Bits) 32 Sample rate (max) (ksps) 38 Number of input channels 10 Interface type SPI Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 2.5, 5 Input voltage range (min) (V) -2.5, 0 Features 50/60 Hz Rejection, Excitation Current Sources (iDACs), GPIO, Oscillator, PGA, Temp Sensor Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 27 Analog supply voltage (min) (V) 4.75 Analog supply voltage (max) (V) 5.25 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
TSSOP (PW) 28 62.08 mm² (9.7 mm × 6.4 mm)
  • Precision, 32-bit, ΔΣ ADC
  • Auxiliary 24-bit, ΔΣ ADC (ADS1263)
  • Data rates: 2.5 SPS to 38400 SPS
  • Differential input, CMOS PGA
  • 11 multifunction analog inputs
  • High-accuracy architecture:
    • Offset drift: 1 nV/°C
    • Gain drift: 0.5 ppm/°C
    • Noise: 7 nVRMS (2.5 SPS, gain = 32)
    • Linearity: 3 ppm
  • 2.5-V internal voltage reference:
    • Temperature drift: 2 ppm/°C
  • 50-Hz and 60-Hz rejection
  • Single-cycle settled conversions
  • Dual sensor excitation current sources
  • Internal fault monitors
  • Internal ADC test signal
  • 8 general-purpose inputs/outputs
  • Precision, 32-bit, ΔΣ ADC
  • Auxiliary 24-bit, ΔΣ ADC (ADS1263)
  • Data rates: 2.5 SPS to 38400 SPS
  • Differential input, CMOS PGA
  • 11 multifunction analog inputs
  • High-accuracy architecture:
    • Offset drift: 1 nV/°C
    • Gain drift: 0.5 ppm/°C
    • Noise: 7 nVRMS (2.5 SPS, gain = 32)
    • Linearity: 3 ppm
  • 2.5-V internal voltage reference:
    • Temperature drift: 2 ppm/°C
  • 50-Hz and 60-Hz rejection
  • Single-cycle settled conversions
  • Dual sensor excitation current sources
  • Internal fault monitors
  • Internal ADC test signal
  • 8 general-purpose inputs/outputs

The ADS1262 and ADS1263 (ADS126x) are low-noise, low-drift, 38.4-kSPS, delta-sigma (ΔΣ) ADCs with an integrated PGA, reference, and internal fault monitors. The ADS1263 integrates an auxiliary, 24-bit, ΔΣ ADC intended for background measurements. The sensor-ready ADCs provide complete, high-accuracy, one-chip measurement solutions for the most-demanding sensor applications, including weigh scales, strain-gauge sensors, thermocouples, and resistance temperature devices (RTD).

The ADCs are comprised of a low-noise, CMOS PGA (gains 1 to 32), a ΔΣ modulator, followed by a programmable digital filter. The flexible analog front-end (AFE) incorporates two sensor-excitation current sources suitable for direct RTD measurement.

A single-cycle settling digital filter maximizes multiple-input conversion throughput, while providing 130-dB rejection of 50-Hz and 60-Hz line cycle interference.

The ADS1262 and ADS1263 are pin and functional compatible. These devices are available in a 28-pin TSSOP package and are fully specified over the –40°C to +125°C temperature range.

The ADS1262 and ADS1263 (ADS126x) are low-noise, low-drift, 38.4-kSPS, delta-sigma (ΔΣ) ADCs with an integrated PGA, reference, and internal fault monitors. The ADS1263 integrates an auxiliary, 24-bit, ΔΣ ADC intended for background measurements. The sensor-ready ADCs provide complete, high-accuracy, one-chip measurement solutions for the most-demanding sensor applications, including weigh scales, strain-gauge sensors, thermocouples, and resistance temperature devices (RTD).

The ADCs are comprised of a low-noise, CMOS PGA (gains 1 to 32), a ΔΣ modulator, followed by a programmable digital filter. The flexible analog front-end (AFE) incorporates two sensor-excitation current sources suitable for direct RTD measurement.

A single-cycle settling digital filter maximizes multiple-input conversion throughput, while providing 130-dB rejection of 50-Hz and 60-Hz line cycle interference.

The ADS1262 and ADS1263 are pin and functional compatible. These devices are available in a 28-pin TSSOP package and are fully specified over the –40°C to +125°C temperature range.
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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 ADS126x 32-Bit, Precision, 38-kSPS, Analog-to-Digital Converter (ADC) with Programmable Gain Amplifier (PGA) and Voltage Reference datasheet (Rev. C) PDF | HTML 2021/5/25
應用說明 A Simple, Java-Based CRC Calculator PDF | HTML 2026/3/4
應用說明 K-type thermocouple measurement circuit with precision ADC (Rev. A) PDF | HTML 2024/9/20
應用說明 Calculating Conversion Latency and System Cycle Time for Delta-Sigma ADCs (Rev. A) PDF | HTML 2024/3/18
應用說明 A Basic Guide to Bridge Measurements (Rev. A) PDF | HTML 2024/3/13
應用說明 A Basic Guide to RTD Measurements (Rev. A) PDF | HTML 2023/3/29
應用說明 Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML 2023/3/29
應用說明 A Basic Guide to Thermocouple Measurements (Rev. A) PDF | HTML 2023/3/29
應用說明 ADS124S08 3-Wire PT100 RTD Measurement Circuit w/ Low-Side Reference and 1 IDAC (Rev. B) 2021/9/9
應用說明 Communication Methods for Data Integrity Using Delta-Sigma Data Converters (Rev. A) PDF | HTML 2021/8/23
應用說明 RTD Wire-Break Detection Using Precision Delta-Sigma ADCs PDF | HTML 2021/2/18
電子書 Fundamentals of Precision ADC Noise Analysis (Rev. A) 2020/6/19
類比設計期刊 How delta-sigma ADCs work, Part 1 (Rev. A) 2016/9/19
白皮書 Integrated diagnostics apply system reliability features at the ADC device level 2015/5/26
電子書 Best of Baker's Best: Precision Data Converters -- Delta-Sigma ADCs 2015/3/19
類比設計期刊 How delta-sigma ADCs work, Part 2 2011/11/9
應用說明 Delta-Sigma ADC Design for Bridge Sensor Applications 2011/9/30

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發套件

ADS1263EVM-PDK — ADS1263 性能展示套件

ADS1263 評估模組 (EVM) 性能展示套件 (PDK) 的功能可當做評估 ADS1263 類比轉數位轉換器 (ADC) 的平台。ADS1263 為低雜訊、低漂移、32 位元 (及輔助 24 位元) delta-sigma ADC，適合資料傳輸速率高達 38.4kSPS 的精密工業應用。

PDK 內含 ADS1263EVM，精密主機介面 (PHI) 控制器電路板，以及隨附的電腦軟體，可讓使用者透過通用序列匯流排 (USB) 與 ADC 通訊、擷取資料，以及執行資料分析。

使用指南: PDF | HTML
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支援軟體

ADS1262-C-EXAMPLE-CODE — ADS1262 example C code

Expedite your embedded design using this example C code for the ADS1262 product family
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支援軟體

ADS126X-CALC-TOOL — ADS1262/ADS1263 Excel Calculator Tool

The ADS1262-ADS1263 Excel calculator provides the user with several easy-to-use tools to help simplify the configuration of the ADS1262 and ADS1263. This calculator also provides valuable information to help the user understand frequency and settling time requirements as well as validate output (...)

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模擬型號

ADS1262 IBIS Model

SBAM246.ZIP (90 KB) - IBIS 模型
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計算工具

ADC-DESIGN-CALC — Online design calculator tool for TI Precision ADCs

ADC-DESIGN-CALC is an online resource with multiple ADC calculator tools (such as Digital Filter Response, Code-to-Voltage, CMR, CRC, etc.) for TI Precision ADCs.
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計算工具

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

類比工程師的計算機旨在加速類比電路設計工程師定期使用的許多重複計算。此基於 PC 的工具提供圖形介面，列出各種常見計算，從使用回饋電阻器設定運算放大器增益到選擇適當的電路設計元件以穩定類比數位轉換器 (ADC) 驅動緩衝電路。

除了作為獨立工具使用外，此計算機還與類比工程師口袋參考中描述的概念相得益彰。

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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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參考設計

TIDA-00550 — 適用於 PLC 的雙通道轉通道隔離式通用類比輸入模組參考設計

TIDA-00550 是一款適用於可編程邏輯控制器 (PLC) 的雙通道至通道隔離式通用類比輸入模組參考設計，結合了精密度和靈活性。此參考設計搭配感測器發送器使用，可測量標準輸入電壓和電流，以及熱電偶、RTD 和 4-20mA 迴路。其只有四個輸入終端，適合同時需要最小空間、高多功能性和高性能的應用。

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參考設計

TIPD164 — 適用於工業輸出和溫度感測器的類比輸入模組參考設計

此經精準驗證的參考設計實作了適用於工業電壓、電流與溫度感測器的類比輸入模組。  對於工業輸出，可能的輸入範圍包含：4 至 20mA、0 至 20mA、+/-25mA、0 至 5V、0 至 10V、+/-5V 與 +/-10V。此設計包含調節與位準偏移電路，可將大型工業輸出轉換為 +5V ΔΣ ADC 的適當輸入範圍。該 ADC 具備直接在其整個溫度範圍內從 RTD 與熱電偶感測器擷取資訊的功能。

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參考設計

TIPD188 — 搭載 AC 橋接器激磁的高解析度、低漂移、精密磅秤參考設計

這款精密磅秤參考設計可實現超過 50,000 個無雜訊計數的解析度。AC 橋接器激磁幾乎可消除偏移和偏移漂移誤差。此設計運用高解析度 ADS1262 ΔΣ ADC。

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封裝 針腳 CAD 符號、佔位空間與 3D 模型
TSSOP (PW) 28 Ultra Librarian
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