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類比轉數位轉換器 (ADC)
精確 ADC

ADS131M06

現行

六通道 24 位元、32-kSPS、同時取樣、delta-sigma ADC

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產品規格表

ADS131M06

現行
產品規格表 立即訂購

產品詳細資料

Resolution (Bits) 24 Sample rate (max) (ksps) 32 Number of input channels 6 Interface type SPI Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Simultaneous Sampling Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 3.6 Input voltage range (min) (V) -1.3 Features PGA, Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 5 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 3.6 SNR (dB) 101 Digital supply (min) (V) 1.65 Digital supply (max) (V) 3.6
Resolution (Bits) 24 Sample rate (max) (ksps) 32 Number of input channels 6 Interface type SPI Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Simultaneous Sampling Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 3.6 Input voltage range (min) (V) -1.3 Features PGA, Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 5 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 3.6 SNR (dB) 101 Digital supply (min) (V) 1.65 Digital supply (max) (V) 3.6
WQFN (RSN) 32 16 mm² (4 mm × 4 mm) TQFP (PBS) 32 49 mm² (7 mm × 7 mm)
  • 6 simultaneously sampling differential inputs
  • Programmable data rate up to 32 kSPS
  • Programmable gain up to 128
  • Noise performance:
    • 102-dB dynamic range at gain = 1, 4 kSPS
    • 80-dB dynamic range at gain = 64, 4 kSPS
  • Total harmonic distortion: –100 dB
  • High-impedance inputs for direct sensor connection:
    • Input impedance 330-kΩ for gains of 1, 2, and 4
    • Input impedance ≥ 1-MΩ for gains of 8, 16, 32, 64, and 128
  • Programmable channel-to-channel phase delay calibration:
    • 244-ns resolution, 8.192-MHz fCLKIN
  • Current-detect mode allows for extremely low power tamper detection
  • Fast startup: first data within 0.5 ms of supply ramp
  • Integrated negative charge pump allows input signals below ground
  • Crosstalk between channels: –120 dB
  • Low-drift internal voltage reference
  • Cyclic redundancy check (CRC) on communications and register map
  • 2.7-V to 3.6-V analog and digital supplies
  • Low power consumption: 4.9 mW at 3-V AVDD and DVDD
  • Packages: 32-pin TQFP or 32-pin WQFN
  • Operating temperature range: –40°C to +125°C
  • 6 simultaneously sampling differential inputs
  • Programmable data rate up to 32 kSPS
  • Programmable gain up to 128
  • Noise performance:
    • 102-dB dynamic range at gain = 1, 4 kSPS
    • 80-dB dynamic range at gain = 64, 4 kSPS
  • Total harmonic distortion: –100 dB
  • High-impedance inputs for direct sensor connection:
    • Input impedance 330-kΩ for gains of 1, 2, and 4
    • Input impedance ≥ 1-MΩ for gains of 8, 16, 32, 64, and 128
  • Programmable channel-to-channel phase delay calibration:
    • 244-ns resolution, 8.192-MHz fCLKIN
  • Current-detect mode allows for extremely low power tamper detection
  • Fast startup: first data within 0.5 ms of supply ramp
  • Integrated negative charge pump allows input signals below ground
  • Crosstalk between channels: –120 dB
  • Low-drift internal voltage reference
  • Cyclic redundancy check (CRC) on communications and register map
  • 2.7-V to 3.6-V analog and digital supplies
  • Low power consumption: 4.9 mW at 3-V AVDD and DVDD
  • Packages: 32-pin TQFP or 32-pin WQFN
  • Operating temperature range: –40°C to +125°C

The ADS131M06 is a six-channel, simultaneously-sampling, 24-bit, delta-sigma (ΔΣ), analog-to-digital converter (ADC) that offers wide dynamic range, low power, and energy-measurement-specific features, making the device an excellent fit for energy metering, power metrology, and circuit breaker applications. The ADC inputs can be directly interfaced to a resistor-divider network or a power transformer to measure voltage or to a current transformer or a Rogowski coil to measure current.

The individual ADC channels can be independently configured depending on the sensor input. A low-noise, programmable gain amplifier (PGA) provides gains ranging from 1 to 128 to amplify low-level signals. Additionally, this device integrates channel-to-channel phase calibration and offset and gain calibration registers to help remove signal-chain errors.

A low-drift, 1.2-V reference is integrated into the device reducing printed circuit board (PCB) area. Optional cyclic redundancy checks (CRCs) on the data input, data output, and register map maintain communication integrity.

The complete analog front-end (AFE) is offered in a 32-pin TQFP package or a leadless 32-pin WQFN package and is specified over the industrial temperature range of –40°C to +125°C.

The ADS131M06 is a six-channel, simultaneously-sampling, 24-bit, delta-sigma (ΔΣ), analog-to-digital converter (ADC) that offers wide dynamic range, low power, and energy-measurement-specific features, making the device an excellent fit for energy metering, power metrology, and circuit breaker applications. The ADC inputs can be directly interfaced to a resistor-divider network or a power transformer to measure voltage or to a current transformer or a Rogowski coil to measure current.

The individual ADC channels can be independently configured depending on the sensor input. A low-noise, programmable gain amplifier (PGA) provides gains ranging from 1 to 128 to amplify low-level signals. Additionally, this device integrates channel-to-channel phase calibration and offset and gain calibration registers to help remove signal-chain errors.

A low-drift, 1.2-V reference is integrated into the device reducing printed circuit board (PCB) area. Optional cyclic redundancy checks (CRCs) on the data input, data output, and register map maintain communication integrity.

The complete analog front-end (AFE) is offered in a 32-pin TQFP package or a leadless 32-pin WQFN package and is specified over the industrial temperature range of –40°C to +125°C.
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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 ADS131M06 6-Channel, Simultaneously-Sampling, 24-Bit, Delta-Sigma ADC datasheet (Rev. A) PDF | HTML 2021/2/17
應用說明 A Simple, Java-Based CRC Calculator PDF | HTML 2026/3/4
Application brief Electricity Metering Reference Designs Selection Guide PDF | HTML 2026/1/6
應用說明 A Basic Guide to Bridge Measurements (Rev. A) PDF | HTML 2024/3/13
應用說明 Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML 2023/3/29
應用說明 Two-Phase Rogowski Coil Based Electricity Meter Analog Front-End Circuit (Rev. A) 2021/9/10
應用說明 Communication Methods for Data Integrity Using Delta-Sigma Data Converters (Rev. A) PDF | HTML 2021/8/23
Circuit design Circuit for protecting ADS131M0x ADC from electrical overstress PDF | HTML 2021/3/31
電子書 Fundamentals of Precision ADC Noise Analysis (Rev. A) 2020/6/19

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)。

開發板

ADS131M08EVM — 適用於八通道、24 位元、同步取樣和 delta-sigma ADC 的 ADS131M08 評估模組

ADS131M08 評估模組 (EVM) 是用於評估 ADS131M08 的平台，ADS131M08 是一款低功率、八通道、同步取樣、delta-sigma 類比數位轉換器 (ADC)。

ADS131M08EVM 套件包含 ADS131M08EVM 電路板和可啟用隨附電腦軟體的精密主機介面 (PHI) 控制器電路板。

使用指南: PDF
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應用軟體及架構

ADC-ENERGY-METROLOGY-LIB-SW — ADC 能源量測函式庫軟體

ADC 能源計量庫軟體包實現了使用高性能、多通道類比數位轉換器 (ADC) 的電能計量典型參數，適用於電表、配電單元 (PDU) 和斷路器的能量測量。

ADC 以高達 8 kHz 的取樣率對通道的輸出進行取樣，以測量 AC 每主電源一相的電流和電壓。此軟體庫可在 0.05 A 至 100 A 的廣泛輸入電流範圍中實現高準確度，並支援如獨立諧波分析等進階電源品質功能所需的高取樣頻率。與應用程式整合式系統單晶片 (SoC) 和專用應用程式特定產品相比，使用獨立 ADC 對電流感測器輸出進行取樣，為設計人員在選擇計量微控制器時提供了更大的靈活性。

此軟體包含硬體抽象層，以實現 ADC 與 Arm® (...)

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支援軟體

ADS131M08-C-EXAMPLE-CODE — ADS131M08 example C code

Expedite your embedded design using this example C code for the ADS131M08 product family
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模擬型號

ADS131M06/08 IBIS Model (Rev. A)

SBAM435A.IBS (308 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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封裝 針腳 CAD 符號、佔位空間與 3D 模型
WQFN (RSN) 32 Ultra Librarian
TQFP (PBS) 32 Ultra Librarian
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