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類比轉數位轉換器 (ADC)
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ADS7066

現行

具內部參考、GPIO 和 SPI 的八通道、250-kSPS、16 位元類比轉數位轉換器

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產品規格表

ADS7066

現行
產品規格表 立即訂購

產品詳細資料

Resolution (Bits) 16 Sample rate (max) (ksps) 250 Number of input channels 8 Interface type SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Features Daisy-Chainable, GPIO, Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 4 Analog supply voltage (min) (V) 3 Analog supply voltage (max) (V) 5.5 SNR (dB) 86 Digital supply (min) (V) 1.65 Digital supply (max) (V) 5.5
Resolution (Bits) 16 Sample rate (max) (ksps) 250 Number of input channels 8 Interface type SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Features Daisy-Chainable, GPIO, Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 4 Analog supply voltage (min) (V) 3 Analog supply voltage (max) (V) 5.5 SNR (dB) 86 Digital supply (min) (V) 1.65 Digital supply (max) (V) 5.5
DSBGA (YBH) 16 2.56 mm² 1.6 x 1.6 WQFN (RTE) 16 9 mm² 3 x 3
  • Small solution size:
    • DSBGA and WQFN packages
    • Space-saving, capless, 2.5-V internal reference
  • 8 channels configurable as any combination of:
    • Up to 8 analog inputs, digital inputs, or digital outputs
  • Programmable averaging filters:
    • Programmable sample size for averaging
    • Averaging with internal conversions
    • 20-bit resolution for average output
  • Low-leakage multiplexer with channel sequencer:
    • Manual mode, on-the-fly mode, and auto-sequence mode
  • Excellent AC and DC performance:
    • SNR: 91.9 dB, THD: –100 dB
    • Improved SNR with programmable averaging filters
    • INL: ±1 LSB, 16-bit no missing codes
    • Internal calibration improves offset and drift
    • 250 kSPS sample rate with no latency
  • Wide operating range:
    • ADC input range: 0 V to V REF and 2 × V REF
    • Analog supply: 3 V to 5.5 V
    • Digital supply: 1.65 V to 5.5 V
    • Temperature range: –40°C to +125°C
  • Enhanced-SPI digital interface:
    • High-speed, 60-MHz SPI
  • Small solution size:
    • DSBGA and WQFN packages
    • Space-saving, capless, 2.5-V internal reference
  • 8 channels configurable as any combination of:
    • Up to 8 analog inputs, digital inputs, or digital outputs
  • Programmable averaging filters:
    • Programmable sample size for averaging
    • Averaging with internal conversions
    • 20-bit resolution for average output
  • Low-leakage multiplexer with channel sequencer:
    • Manual mode, on-the-fly mode, and auto-sequence mode
  • Excellent AC and DC performance:
    • SNR: 91.9 dB, THD: –100 dB
    • Improved SNR with programmable averaging filters
    • INL: ±1 LSB, 16-bit no missing codes
    • Internal calibration improves offset and drift
    • 250 kSPS sample rate with no latency
  • Wide operating range:
    • ADC input range: 0 V to V REF and 2 × V REF
    • Analog supply: 3 V to 5.5 V
    • Digital supply: 1.65 V to 5.5 V
    • Temperature range: –40°C to +125°C
  • Enhanced-SPI digital interface:
    • High-speed, 60-MHz SPI

The ADS7066 is a small, 16-bit, 8-channel, high-precision successive-approximation register (SAR) analog-to-digital converter (ADC). The ADS7066 has an integrated capless reference and a reference buffer that helps reduce the overall solution size by requiring fewer external components. The device family includes the ADS7067 (800 kSPS) and the ADS7066 (250 kSPS) speed variants.

The ADS7066 features built-in offset calibration for improved accuracy over wide operating conditions of the system. The programmable averaging filters enable higher resolution measurement. The eight channels of the ADS7066 can be individually configured as analog inputs, digital inputs, or digital outputs that simplify circuit design for mixed signal feedback and digital control.

The enhanced-SPI enables the ADS7066 in achieving high throughput at lower clock speeds, thereby simplifying the board layout and lowering system cost. The ADS7066 features a cyclic redundancy check (CRC) for data read and write operations and the power-up configuration.

The ADS7066 is a small, 16-bit, 8-channel, high-precision successive-approximation register (SAR) analog-to-digital converter (ADC). The ADS7066 has an integrated capless reference and a reference buffer that helps reduce the overall solution size by requiring fewer external components. The device family includes the ADS7067 (800 kSPS) and the ADS7066 (250 kSPS) speed variants.

The ADS7066 features built-in offset calibration for improved accuracy over wide operating conditions of the system. The programmable averaging filters enable higher resolution measurement. The eight channels of the ADS7066 can be individually configured as analog inputs, digital inputs, or digital outputs that simplify circuit design for mixed signal feedback and digital control.

The enhanced-SPI enables the ADS7066 in achieving high throughput at lower clock speeds, thereby simplifying the board layout and lowering system cost. The ADS7066 features a cyclic redundancy check (CRC) for data read and write operations and the power-up configuration.
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ADS7067 現行 具 GPIO 和 SPI 的 8 通道、800-kSPS 16 位元 SAR 類比轉數位轉換器 (ADC) ADS7067 is a higher-speed variant of ADS7066.

技術文件

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重要文件 類型 標題 格式選項 日期
* Data sheet ADS7066 Small, 8-Channel, 16-Bit, 250-kSPS SAR ADC With GPIOs datasheet (Rev. C) PDF | HTML 2023年 9月 15日
Product overview High Speed Amplifiers for In-Vitro Diagnostics (IVD) Analog Front End PDF | HTML 2025年 4月 10日
Application brief Implementation of CRC for ADS7066 PDF | HTML 2020年 8月 20日
Application brief Resolution-Boosting ADS7066 Using Programmable Averaging Filter PDF | HTML 2020年 4月 27日

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

ADS7066EVM-PDK — 適用於八通道、250-kSPS、16 位元、內部參考 ADC 的 ADS7066 性能展示套件

ADS7066 評估模組 (EVM) 性能示範套件 (PDK) 是用於評估 ADS7066 漸近法暫存器 (SAR) 類比轉數位轉換器 (ADC) 性能的平台

ADS7066EVM-PDK 提供電源與通訊卡，並搭載圖形使用者介面 (GUI)，可快速評估性能與功能，並可輕易地透過 I/O 擴展器連接 8 輸入通道零件。

使用指南: PDF
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支援軟體

ADS7066-C-EXAMPLE-CODE — ADS7066 example C code

Expedite your embedded design using this example C code for the ADS7066 product family
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模擬型號

ADS7066 IBIS Model

SBAM441.ZIP (71 KB) - IBIS Model
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模擬型號

ADS7066 TINA-TI Reference Design

SBAM445.TSC (22 KB) - TINA-TI Reference Design
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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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計算工具

SBAR007 — ADS7066 CRC Calculator

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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 (...)
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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
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
DSBGA (YBH) 16 Ultra Librarian
WQFN (RTE) 16 Ultra Librarian
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