产品详情

Resolution (Bits) 8 Sample rate (max) (ksps) 1000 Number of input channels 1 Interface type Microwire (Serial I/O), SPI Architecture SAR Input type Single-ended Rating Catalog Reference mode Supply Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Features Small Size Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 2 Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 5.25 SNR (dB) 72.5 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
Resolution (Bits) 8 Sample rate (max) (ksps) 1000 Number of input channels 1 Interface type Microwire (Serial I/O), SPI Architecture SAR Input type Single-ended Rating Catalog Reference mode Supply Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Features Small Size Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 2 Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 5.25 SNR (dB) 72.5 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
SOT-23 (DBV) 6 8.12 mm² 2.9 x 2.8
  • Variable Power Management
  • Packaged in 6-Pin SOT-23
  • Power Supply Used as Reference
  • Single 2.7-V to 5.25-V Supply Operation
  • Compatible With SPI™, QSPI™, MICROWIRE™,
    and DSP
  • Key Specifications
    • Resolution With No Missing Codes (12-Bit, 10-
      Bit, and 8-Bit)
    • Conversion Rate: 1 MSPS
    • DNL: 0.5, –0.3 LSB (Typical)
    • INL: ±0.4 LSB (Typical)
    • Power Consumption:
      • 3-V Supply: 2 mW (Typical)
      • 5-V Supply: 10 mW (Typical)
  • Variable Power Management
  • Packaged in 6-Pin SOT-23
  • Power Supply Used as Reference
  • Single 2.7-V to 5.25-V Supply Operation
  • Compatible With SPI™, QSPI™, MICROWIRE™,
    and DSP
  • Key Specifications
    • Resolution With No Missing Codes (12-Bit, 10-
      Bit, and 8-Bit)
    • Conversion Rate: 1 MSPS
    • DNL: 0.5, –0.3 LSB (Typical)
    • INL: ±0.4 LSB (Typical)
    • Power Consumption:
      • 3-V Supply: 2 mW (Typical)
      • 5-V Supply: 10 mW (Typical)

The ADCS7476, ADCS7477, and ADCS7478 devices are low power, monolithic CMOS 12-, 10-, and 8-bit analog-to-digital converters that operate at 1 MSPS. The ADCS747x devices are a drop-in replacement for Analog Device’s AD747x. Each device is based on a successive approximation register architecture with internal track-and-hold. The serial interface is compatible with several standards, such as SPI, QSPI, MICROWIRE, and many common DSP serial interfaces.

The ADCS747x uses the supply voltage as a reference, enabling the device to operate with a full-scale input range of 0 to VDD. The conversion rate is determined from the serial clock (SCLK) speed. These converters offer a shutdown mode, which can be used to trade throughput for power consumption. The ADCS747x is operated with a single supply that can range from 2.7 V to 5.25 V. Normal power consumption during continuous conversion, using a 3-V or 5-V supply, is 2 mW or 10 mW respectively. The power-down feature, which is enabled by a chip select (CS) pin, reduces the power consumption to under 5 µW using a 5-V supply. All three converters are available in a 6-pin SOT-23 package, which provides an extremely small footprint for applications where space is a critical consideration. These products are designed for operation over the automotive and extended industrial temperature range of –40°C to 125°C.

The ADCS7476, ADCS7477, and ADCS7478 devices are low power, monolithic CMOS 12-, 10-, and 8-bit analog-to-digital converters that operate at 1 MSPS. The ADCS747x devices are a drop-in replacement for Analog Device’s AD747x. Each device is based on a successive approximation register architecture with internal track-and-hold. The serial interface is compatible with several standards, such as SPI, QSPI, MICROWIRE, and many common DSP serial interfaces.

The ADCS747x uses the supply voltage as a reference, enabling the device to operate with a full-scale input range of 0 to VDD. The conversion rate is determined from the serial clock (SCLK) speed. These converters offer a shutdown mode, which can be used to trade throughput for power consumption. The ADCS747x is operated with a single supply that can range from 2.7 V to 5.25 V. Normal power consumption during continuous conversion, using a 3-V or 5-V supply, is 2 mW or 10 mW respectively. The power-down feature, which is enabled by a chip select (CS) pin, reduces the power consumption to under 5 µW using a 5-V supply. All three converters are available in a 6-pin SOT-23 package, which provides an extremely small footprint for applications where space is a critical consideration. These products are designed for operation over the automotive and extended industrial temperature range of –40°C to 125°C.

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* 数据表 ADCS747x 1-MSPS, 12-Bit, 10-Bit, and 8-Bit A/D Converters 数据表 (Rev. G) PDF | HTML 2016年 5月 25日
电子书 Best of Baker's Best: Precision Data Converters -- SAR ADCs 2015年 5月 21日
EVM 用户指南 50 ksps to 1 Msps, 12-, 10- and 8-Bit EVM Users Manual 2012年 2月 20日

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SOT-23 (DBV) 6 了解详情

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