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ADS1115

現行

具 PGA、振盪器、VREF、比較器和 I2C 的 16 位元、860-SPS、4 通道 ΔΣ ADC

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產品規格表

ADS1115

現行
產品規格表 立即訂購

產品詳細資料

Resolution (Bits) 16 Sample rate (max) (ksps) 0.86 Number of input channels 4 Interface type I2C Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode Internal Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Features Comparator, Oscillator, PGA Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 0.3 Analog supply voltage (min) (V) 2 Analog supply voltage (max) (V) 5.5 Digital supply (min) (V) 2 Digital supply (max) (V) 5.5
Resolution (Bits) 16 Sample rate (max) (ksps) 0.86 Number of input channels 4 Interface type I2C Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode Internal Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Features Comparator, Oscillator, PGA Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 0.3 Analog supply voltage (min) (V) 2 Analog supply voltage (max) (V) 5.5 Digital supply (min) (V) 2 Digital supply (max) (V) 5.5
X2QFN (RUG) 10 3 mm² (1.5 mm × 2 mm) SOT-5X3 (DYN) 10 8.12 mm² (2.9 mm × 2.8 mm) VSSOP (DGS) 10 14.7 mm² (3 mm × 4.9 mm)
  • Ultra-small packages:
    • X2QFN: 2mm × 1.5mm × 0.4mm
    • SOT: 2.9mm × 2.8mm × 0.6mm
  • Wide supply range: 2.0V to 5.5V
  • Low current consumption: 150µA (continuous-conversion mode)
  • Programmable data rate: 8SPS to 860SPS
  • Single-cycle settling
  • Internal low-drift voltage reference
  • Internal oscillator
  • I2C interface: four pin-selectable addresses
  • Operating temperature range: –40°C to +125°C
  • Family of devices:
    • ADS1113: one single-ended (SE) or differential (DE) input
    • ADS1114: one single-ended or differential input with comparator and PGA
    • ADS1115: four single-ended or two differential inputs with comparator and PGA
  • Ultra-small packages:
    • X2QFN: 2mm × 1.5mm × 0.4mm
    • SOT: 2.9mm × 2.8mm × 0.6mm
  • Wide supply range: 2.0V to 5.5V
  • Low current consumption: 150µA (continuous-conversion mode)
  • Programmable data rate: 8SPS to 860SPS
  • Single-cycle settling
  • Internal low-drift voltage reference
  • Internal oscillator
  • I2C interface: four pin-selectable addresses
  • Operating temperature range: –40°C to +125°C
  • Family of devices:
    • ADS1113: one single-ended (SE) or differential (DE) input
    • ADS1114: one single-ended or differential input with comparator and PGA
    • ADS1115: four single-ended or two differential inputs with comparator and PGA

The ADS1113, ADS1114, and ADS1115 (ADS111x) are precision, low-power, 16-bit, I2C-compatible, analog-to-digital converters (ADCs) offered in a leadless X2QFN-10, a SOT-10 package, and a VSSOP-10 package. The ADS111x devices incorporate a low-drift voltage reference and an oscillator. The ADS1114 and ADS1115 also incorporate a programmable gain amplifier (PGA) and a digital comparator. These features, along with a wide operating supply range, are useful for power- and space-constrained, sensor measurement applications.

The ADS111x devices perform conversions at data rates of up to 860 samples per second (SPS). The PGA offers input ranges from ±256mV to ±6.144V, allowing precise large- and small-signal measurements. The ADS1115 features an input multiplexer (MUX) that allows two differential or four single-ended input measurements. Use the digital comparator in the ADS1114 and ADS1115 for undervoltage and overvoltage detection.

The ADS1113, ADS1114, and ADS1115 (ADS111x) are precision, low-power, 16-bit, I2C-compatible, analog-to-digital converters (ADCs) offered in a leadless X2QFN-10, a SOT-10 package, and a VSSOP-10 package. The ADS111x devices incorporate a low-drift voltage reference and an oscillator. The ADS1114 and ADS1115 also incorporate a programmable gain amplifier (PGA) and a digital comparator. These features, along with a wide operating supply range, are useful for power- and space-constrained, sensor measurement applications.

The ADS111x devices perform conversions at data rates of up to 860 samples per second (SPS). The PGA offers input ranges from ±256mV to ±6.144V, allowing precise large- and small-signal measurements. The ADS1115 features an input multiplexer (MUX) that allows two differential or four single-ended input measurements. Use the digital comparator in the ADS1114 and ADS1115 for undervoltage and overvoltage detection.
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ADS1113 現行 具振盪器、電壓參考和 I2C 的 16 位元 860SPS 1 通道 ΔΣ ADC Lower channel count (4x), no comparator, no PGA
ADS1115L 現行 支援 PGA、比較器和 1.8-V I²C 匯流排電壓的 16 位元、860-SPS 四通道 delta-sigma ADC 1.8-V I²C bus voltage support
ADS1015 現行 具 PGA、振盪器、VREF、比較器和 I2C 的 12 位元、3.3-kSPS、 4 通道 ΔΣ ADC Lower sample rate (0.86 kSPS), lower resolution (12-bit)
ADS1114 現行 具 PGA、振盪器、Vref、比較器和 I2C 的 16 位元 860SPS 1 通道 ΔΣ ADC Lower channel count (4x)

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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 ADS111x Ultra-Small, Low-Power, I2 C-Compatible, 860SPS, 16-Bit ADCs with Internal Reference, Oscillator, and Programmable Comparator datasheet (Rev. E) PDF | HTML 2024/12/31
Application brief Leak Detection, Flow, and Pressure Monitoring in Liquid-Cooled Server Cards and Coolant Distribution Units PDF | HTML 2024/10/9
Circuit design Precision measurement circuit with 16 singled-ended channels and I2C interface (Rev. A) PDF | HTML 2024/9/19
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 QFN and SON PCB Attachment (Rev. C) PDF | HTML 2023/12/6
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 I2C PDF | HTML 2022/11/8
應用說明 Ultra-Small, Precision Analog Temperature Sensor Measurement With ADC (Rev. A) 2021/8/24
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
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

設計與開發

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開發板

ADS1115EVM-PDK — 適用於 16 位元、860-SPS 四通道 delta-sigma ADC 的 ADS1115 評估模組

ADS1115 評估模組 (EVM) 性能展示套件 (PDK) 是用於評估 ADS1115 的完整解決方案，是一款 16 位元、超小型、低功耗、精密型類比轉數位轉換器 (ADC)。會透過 USB 連接和簡易軟體介面提供電源和 I/O。類比輸入會連接至端子區塊，可提供兩個差動輸入或四個單端輸入。

使用指南: PDF | HTML
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驅動程式或資料庫

ADS1015SW-LINUX — 適用於 ADS1015 的 Linux 驅動程式

The Linux driver supports the ADS1015 and ADS1115 12-Bit ADCs with Integrated MUX, PGA, Comparator, Oscillator, and Reference. The Linux driver supports communication through the I2C bus and interfaces with the IIO sub-system.

 

Linux Mainline Status

Available in Linux Main line: Yes
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支援軟體

ADS1115-C-EXAMPLE-CODE — ADS1115 example C code

Expedite your embedded design using this example C code for the ADS1115 product family
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模擬型號

ADS1013-5, ADS1113-5 IBIS Model

SBAM025.ZIP (19 KB) - IBIS 模型
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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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參考設計

TIDA-00824 — 適合穿戴式應用的人體皮膚溫度感測參考設計

TIDA-00824 配備 LMT70 類比溫度感測器，用於測量人體皮膚溫度。此參考設計展現如何以機械方式安裝溫度感測器，以獲得最佳導熱性。此設計也將討論如何實現大於 0.1°C 準確度的訊號路徑考量。

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封裝 針腳 CAD 符號、佔位空間與 3D 模型
X2QFN (RUG) 10 Ultra Librarian
SOT-5X3 (DYN) 10 Ultra Librarian
VSSOP (DGS) 10 Ultra Librarian
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