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ADS125P08

現行

具有整合式通道自動序列器和 FIFO 緩衝器的 16 通道、24 位元 1MSPS ΔΣ ADC

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產品規格表

ADS125P08

現行
產品規格表 立即訂購

產品詳細資料

Resolution (Bits) 24 Sample rate (max) (ksps) 1000 Number of input channels 16 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) 5.5 Input voltage range (min) (V) 3 Features 50/60 Hz Rejection, Daisy-Chainable, GPIO, Oscillator, Small Size, Temp. Sensor Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 24 Analog supply voltage (min) (V) -2.5, 2.85 Analog supply voltage (max) (V) 2.5, 5.5 Digital supply (min) (V) 1.65 Digital supply (max) (V) 5.5
Resolution (Bits) 24 Sample rate (max) (ksps) 1000 Number of input channels 16 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) 5.5 Input voltage range (min) (V) 3 Features 50/60 Hz Rejection, Daisy-Chainable, GPIO, Oscillator, Small Size, Temp. Sensor Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 24 Analog supply voltage (min) (V) -2.5, 2.85 Analog supply voltage (max) (V) 2.5, 5.5 Digital supply (min) (V) 1.65 Digital supply (max) (V) 5.5
VQFN (RHB) 36 25 mm² (5 mm × 5 mm)
  • Programmable data rate up to 1.067MSPS
  • Analog multiplexer with 17 independently selectable inputs:
    • Up to 8 fully differential inputs
    • Up to 16 single ended inputs
  • Rail-to-rail analog input buffer and reference buffer
  • Internal voltage reference, selectable output 2.5V or 4.096V
  • Fault detection and monitor circuits
  • General-Purpose I/Os
  • Internal Oscillator: 25.6MHz, 1% Accuracy
  • Channel auto-sequencer and FIFO buffer
  • Simultaneous 50Hz and 60Hz rejection at ≤ 25 SPS with low-latency digital filter
  • Power-scalable architecture with four speed modes
  • Programmable data rate up to 1.067MSPS
  • Analog multiplexer with 17 independently selectable inputs:
    • Up to 8 fully differential inputs
    • Up to 16 single ended inputs
  • Rail-to-rail analog input buffer and reference buffer
  • Internal voltage reference, selectable output 2.5V or 4.096V
  • Fault detection and monitor circuits
  • General-Purpose I/Os
  • Internal Oscillator: 25.6MHz, 1% Accuracy
  • Channel auto-sequencer and FIFO buffer
  • Simultaneous 50Hz and 60Hz rejection at ≤ 25 SPS with low-latency digital filter
  • Power-scalable architecture with four speed modes

The ADS125P08 is a multiplexed 8/16-Channel, 24 bit, delta-sigma (ΔΣ), analog-to-digital converter (ADC) with data rates up to 1MSPS and is configurable to accept up to 8 fully differential analog inputs or up to 16 single-ended analog inputs. The device offers an excellent combination of ac performance and dc precision with low power consumption.

The device integrates high-impedance input and reference buffers to reduce signal loading. The ADS125P08 is equipped with a channel auto-sequencer and a FIFO (first-in, first-out) buffer. The power-scalable architecture provides four speed modes to optimize data rate, resolution, and power consumption.

Input and output data and register settings are validated by a cyclic-redundancy check (CRC) feature to enhance operational reliability.

The small 5mm × 5mm VQFN package is designed for limited space applications. The device is fully specified for operation over the –40°C to +125°C temperature range.

The ADS125P08 is a multiplexed 8/16-Channel, 24 bit, delta-sigma (ΔΣ), analog-to-digital converter (ADC) with data rates up to 1MSPS and is configurable to accept up to 8 fully differential analog inputs or up to 16 single-ended analog inputs. The device offers an excellent combination of ac performance and dc precision with low power consumption.

The device integrates high-impedance input and reference buffers to reduce signal loading. The ADS125P08 is equipped with a channel auto-sequencer and a FIFO (first-in, first-out) buffer. The power-scalable architecture provides four speed modes to optimize data rate, resolution, and power consumption.

Input and output data and register settings are validated by a cyclic-redundancy check (CRC) feature to enhance operational reliability.

The small 5mm × 5mm VQFN package is designed for limited space applications. The device is fully specified for operation 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 ADS125P08 8/16-Channel, 1MSPS , 24 -Bit, Delta-Sigma ADC datasheet PDF | HTML 2025/12/18
Circuit design 4-Ch, diff. in., DAQ front-end circuit w/ configurable voltage & current inputs (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 Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML 2023/3/29
電子書 Fundamentals of Precision ADC Noise Analysis (Rev. A) 2020/6/19

設計與開發

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開發板

ADS125P08EVM-PDK — ADS125P08 評估模組

ADS125P08 評估模組 (EVM) 是用於評估 ADS125P08 效能的平台；此款 24 位元、16 通道、1MSPS 多工 Delta-Sigma (ΔΣ) 類比數位轉換器 (ADC)，專為低延遲、高精確度資料擷取系統而設計。ADS125P08 整合高度彈性的通道排序器、低雜訊電壓參考、時脈振盪器及多種診斷功能，有助於設計高可靠度系統。ADS125P08EVM-PDK 透過通用序列匯流排 (USB) 介面簡化了對硬體、軟體和電腦連線能力的裝置評估。

使用指南: PDF | HTML
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ADS125P08-MSPM0-EXAMPLE-CODE — ADS125P08 C Example Code

Start developing your embedded solution with example code for the ADS125P08 using an MSPM0 Launchpad
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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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VQFN (RHB) 36 Ultra Librarian
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