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ADS8471

現行

具有參考的 16 元位 1-MSPS 虛擬差動 SAR ADC

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產品規格表

ADS8471

現行
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產品詳細資料

Resolution (Bits) 16 Sample rate (max) (ksps) 1000 Number of input channels 1 Interface type Byte-Wide, Parallel Architecture SAR Input type Pseudo-Differential, Single-ended Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 4.096 Input voltage range (min) (V) 0 Features Oscillator Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 220 Analog supply voltage (min) (V) 4.75 Analog supply voltage (max) (V) 5.25 SNR (dB) 93 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
Resolution (Bits) 16 Sample rate (max) (ksps) 1000 Number of input channels 1 Interface type Byte-Wide, Parallel Architecture SAR Input type Pseudo-Differential, Single-ended Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 4.096 Input voltage range (min) (V) 0 Features Oscillator Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 220 Analog supply voltage (min) (V) 4.75 Analog supply voltage (max) (V) 5.25 SNR (dB) 93 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
VQFN (RGZ) 48 49 mm² (7 mm × 7 mm)
  • 0 to 1 MSPS Sampling Rate
  • ±0.7 LSB Typ, ±1 LSB Max INL
  • ±0.4 LSB Typ, ±0.75 LSB Max DNL
  • 16-Bit NMC Ensured Over Temperature
  • ±0.1 mV Offset Error
  • ±0.15 ppm/°C Offset Error Drift
  • ±0.015% FSR Gain Error
  • ±0.7 ppm/°C Gain Error Drift
  • 93 dB SNR, –110dB THD, 112dB SFDR
  • Zero Latency
  • Low Power: 220 mW at 1 MSPS
  • Unipolar Input Range: 0 V to Vref
  • Onboard Reference
  • Onboard Reference Buffer
  • High-Speed Parallel Interface
  • Wide Digital Supply 2.7 V ~ 5.25 V
  • 8-/16-Bit Bus Transfer
  • 48-Pin 7×7 QFN Package
  • APPLICATIONS
    • Medical Instruments
    • Optical Networking
    • Transducer Interface
    • High Accuracy Data Acquisition Systems
    • Magnetometers
  • 0 to 1 MSPS Sampling Rate
  • ±0.7 LSB Typ, ±1 LSB Max INL
  • ±0.4 LSB Typ, ±0.75 LSB Max DNL
  • 16-Bit NMC Ensured Over Temperature
  • ±0.1 mV Offset Error
  • ±0.15 ppm/°C Offset Error Drift
  • ±0.015% FSR Gain Error
  • ±0.7 ppm/°C Gain Error Drift
  • 93 dB SNR, –110dB THD, 112dB SFDR
  • Zero Latency
  • Low Power: 220 mW at 1 MSPS
  • Unipolar Input Range: 0 V to Vref
  • Onboard Reference
  • Onboard Reference Buffer
  • High-Speed Parallel Interface
  • Wide Digital Supply 2.7 V ~ 5.25 V
  • 8-/16-Bit Bus Transfer
  • 48-Pin 7×7 QFN Package
  • APPLICATIONS
    • Medical Instruments
    • Optical Networking
    • Transducer Interface
    • High Accuracy Data Acquisition Systems
    • Magnetometers

The ADS8471 is an 16-bit, 1-MSPS A/D converter with an internal 4.096-V reference and a pseudo-bipolar, unipolar input. The device includes a 16-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8471 offers a full 16-bit interface or an 8-bit bus option using two read cycles.

The ADS8471 is available in a 48-lead 7x7 QFN package and is characterized over the industrial –40°C to 85°C temperature range.

The ADS8471 is an 16-bit, 1-MSPS A/D converter with an internal 4.096-V reference and a pseudo-bipolar, unipolar input. The device includes a 16-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8471 offers a full 16-bit interface or an 8-bit bus option using two read cycles.

The ADS8471 is available in a 48-lead 7x7 QFN package and is characterized over the industrial –40°C to 85°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 16-Bit, 1-MSPS, Pseudo-Bipolar, Unipolar Input, Micropower Sampling ADC datasheet 2006/7/21
白皮書 Voltage-reference impact on total harmonic distortion 2016/8/1
電子書 Best of Baker's Best: Precision Data Converters -- SAR ADCs 2015/5/21
應用說明 Determining Minimum Acquisition Times for SAR ADCs, part 2 2011/3/17
應用說明 Determining Minimum Acquisition Times for SAR ADCs, part 1 (Rev. A) 2010/11/10

設計與開發

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模擬型號

ADS8471 IBIS Model

SLAM081.ZIP (756 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。

支援產品和硬體
計算工具

JITTER-SNR-CALC — Jitter and SNR calculator

JITTER-SNR-CALC can be used for calculating theoretical Signal to Noise (SNR) performance of ADCs based on input frequency and clock jitter.

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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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VQFN (RGZ) 48 Ultra Librarian
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