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類比轉數位轉換器 (ADC)
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ADS7047

現行

12 位元、3MSPS、差動輸入、小型低功耗 SAR ADC

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產品規格表

ADS7047

現行
立即訂購

產品詳細資料

Resolution (Bits) 12 Sample rate (max) (ksps) 3000 Number of input channels 1 Interface type SPI Architecture SAR Input type Differential Rating Catalog Reference mode Supply Input voltage range (max) (V) 3.6 Input voltage range (min) (V) 0 Features Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 4 Analog supply voltage (min) (V) 2.35 Analog supply voltage (max) (V) 3.6 SNR (dB) 72.9 Digital supply (min) (V) 1.65 Digital supply (max) (V) 3.6
Resolution (Bits) 12 Sample rate (max) (ksps) 3000 Number of input channels 1 Interface type SPI Architecture SAR Input type Differential Rating Catalog Reference mode Supply Input voltage range (max) (V) 3.6 Input voltage range (min) (V) 0 Features Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 4 Analog supply voltage (min) (V) 2.35 Analog supply voltage (max) (V) 3.6 SNR (dB) 72.9 Digital supply (min) (V) 1.65 Digital supply (max) (V) 3.6
X2QFN (RUG) 8 2.25 mm² (1.5 mm × 1.5 mm)
  • 3-MSPS Throughput
  • Small Package Size:
    • X2QFN-8 Package (1.5 mm × 1.5 mm)
  • Fully Differential Input Range: ±AVDD
  • Wide Operating Range:
    • AVDD: 2.35 V to 3.6 V
    • DVDD: 1.65 V to 3.6 V (Independent of AVDD)
    • Temperature Range: –40°C to +125°C
  • Excellent Performance:
    • 12-Bit NMC DNL, ±0.2-LSB INL
    • 72.8-dB SINAD at 2 kHz
    • 71.7-dB SINAD at 1 MHz
  • Low Power Consumption:
    • 4 mW at 3 MSPS With 3.3-V AVDD
    • 130 µW at 100 kSPS With 3.3-V AVDD
    • 74 µW at 100 kSPS With 2.5-V AVDD
  • Integrated Offset Calibration
  • SPI-Compatible Serial Interface: 60 MHz
  • JESD8-7A Compliant Digital I/O
  • 3-MSPS Throughput
  • Small Package Size:
    • X2QFN-8 Package (1.5 mm × 1.5 mm)
  • Fully Differential Input Range: ±AVDD
  • Wide Operating Range:
    • AVDD: 2.35 V to 3.6 V
    • DVDD: 1.65 V to 3.6 V (Independent of AVDD)
    • Temperature Range: –40°C to +125°C
  • Excellent Performance:
    • 12-Bit NMC DNL, ±0.2-LSB INL
    • 72.8-dB SINAD at 2 kHz
    • 71.7-dB SINAD at 1 MHz
  • Low Power Consumption:
    • 4 mW at 3 MSPS With 3.3-V AVDD
    • 130 µW at 100 kSPS With 3.3-V AVDD
    • 74 µW at 100 kSPS With 2.5-V AVDD
  • Integrated Offset Calibration
  • SPI-Compatible Serial Interface: 60 MHz
  • JESD8-7A Compliant Digital I/O

The ADS7047 device belongs to a family of pin-to-pin compatible, high-speed, low-power, single-channel successive-approximation register (SAR) type analog-to-digital converters (ADCs). The device family includes multiple resolutions, throughputs, and analog input variants (see Table 1 for a list of devices).

The ADS7047 is a 12-bit, 3-MSPS SAR ADC that supports fully-differential inputs in the range of ±AVDD, for AVDD in the range of 2.35 V to 3.6 V.

The internal offset calibration feature maintains excellent offset specifications over the entire AVDD and temperature operating range.

The device supports an SPI-compatible serial interface that is controlled by the CS and SCLK signals. The input signal is sampled with the CS falling edge and SCLK is used for both conversion and serial data output. The device supports a wide digital supply range (1.65 V to 3.6 V), enabling direct interfacing to a variety of host controllers. The ADS7047 complies with the JESD8-7A standard for a normal DVDD range (1.65 V to 1.95 V).

The ADS7047 is available in an 8-pin, small, X2QFN package and is specified over the extended industrial temperature range (–40°C to +125°C). The small form-factor and extremely-low power consumption make this device suitable for space-constrained and battery-powered applications that require high-speed, high-resolution data acquisition.

The ADS7047 device belongs to a family of pin-to-pin compatible, high-speed, low-power, single-channel successive-approximation register (SAR) type analog-to-digital converters (ADCs). The device family includes multiple resolutions, throughputs, and analog input variants (see Table 1 for a list of devices).

The ADS7047 is a 12-bit, 3-MSPS SAR ADC that supports fully-differential inputs in the range of ±AVDD, for AVDD in the range of 2.35 V to 3.6 V.

The internal offset calibration feature maintains excellent offset specifications over the entire AVDD and temperature operating range.

The device supports an SPI-compatible serial interface that is controlled by the CS and SCLK signals. The input signal is sampled with the CS falling edge and SCLK is used for both conversion and serial data output. The device supports a wide digital supply range (1.65 V to 3.6 V), enabling direct interfacing to a variety of host controllers. The ADS7047 complies with the JESD8-7A standard for a normal DVDD range (1.65 V to 1.95 V).

The ADS7047 is available in an 8-pin, small, X2QFN package and is specified over the extended industrial temperature range (–40°C to +125°C). The small form-factor and extremely-low power consumption make this device suitable for space-constrained and battery-powered applications that require high-speed, high-resolution data acquisition.
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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 ADS7047 12-Bit, 3-MSPS, Differential Input, Small-Size, Low-Power SAR ADC datasheet PDF | HTML 2017/12/6
Application brief Precision ADCs in Servo Drives (Rev. A) PDF | HTML 2025/10/29
Product overview Precision ADCs for Motor Encoders and Position Sensing (Rev. A) PDF | HTML 2025/10/28
Circuit design Single-ended to diff. signal conversion using an op amp & FDA for unipolar signa (Rev. B) PDF | HTML 2024/9/24
Circuit design Single-ended-to-differential circuit using an op amp and FDA for bipolar signals (Rev. B) PDF | HTML 2024/9/19
Application brief Improving Response Time and Accuracy in Autonomous Robots With Wideband SAR-ADCs 2018/10/3

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

ADS7049-Q1EVM-PDK — ADS7049-Q1 超低功耗超小型 12 位元 2 MSPS SAR ADC 性能展示套件 (PDK)

ADS7049-Q1 評估模組 (EVM) 性能示範套件 (PDK) 是用於評估 12 位元、ADS7049-Q1 漸近法暫存器 (SAR) 類比轉數位轉換器 (ADC) 的平台。

PDK 內含 ADS7049-Q1 評估板、精密主機介面 (PHI) 控制器電路板，以及隨附的電腦軟體，可讓使用者透過通用序列匯流排 (USB) 與 ADC 通訊、擷取資料，以及執行資料分析。

使用指南: PDF | HTML
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模擬型號

ADS7047 IBIS Model

SBAM359.ZIP (26 KB) - IBIS 模型
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模擬型號

ADS7047 TINA-TI Transient Spice Model

SBAM358.ZIP (32 KB) - TINA-TI Spice 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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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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X2QFN (RUG) 8 Ultra Librarian
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