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ADC122S051Q-Q1

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2-kanaliger A/D-Wandler, 200 bis 500 ksps, 12 Bit

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ADC122S051Q-Q1

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Produktdetails

Resolution (Bits) 12 Sample rate (max) (ksps) 500 Number of input channels 2 Interface type Microwire (Serial I/O), SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Automotive Reference mode Supply Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 3 Analog supply voltage (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) 12 Sample rate (max) (ksps) 500 Number of input channels 2 Interface type Microwire (Serial I/O), SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Automotive Reference mode Supply Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 3 Analog supply voltage (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
VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm)
  • Specified Over a Range of Sample Rates.
  • Two Input Channels
  • Variable Power Management
  • Single Power Supply with 2.7V - 5.25V Range
  • Tested per AEC-Q100 and Qualified for Automotive Applications
  • Meets AEC-Q100-011 C2 CDM Classification

Key Specifications

  • DNL: +0.7 / −0.4 LSB (typ)
  • INL: ± 0.50 LSB (typ)
  • SNR: 72.5 dB (typ)
  • Power Consumption:
    • 3V Supply: 3.0 mW (typ)
    • 5V Supply: 10 mW (typ)

All trademarks are the property of their respective owners.

  • Specified Over a Range of Sample Rates.
  • Two Input Channels
  • Variable Power Management
  • Single Power Supply with 2.7V - 5.25V Range
  • Tested per AEC-Q100 and Qualified for Automotive Applications
  • Meets AEC-Q100-011 C2 CDM Classification

Key Specifications

  • DNL: +0.7 / −0.4 LSB (typ)
  • INL: ± 0.50 LSB (typ)
  • SNR: 72.5 dB (typ)
  • Power Consumption:
    • 3V Supply: 3.0 mW (typ)
    • 5V Supply: 10 mW (typ)

All trademarks are the property of their respective owners.

The ADC122S051/ADC122S051Q is a low-power, two-channel CMOS 12-bit analog-to-digital converter with a high-speed serial interface. Unlike the conventional practice of specifying performance at a single sample rate only, the ADC122S051/ADC122S051Q is fully specified over a sample rate range of 200 ksps to 500 ksps. The converter is based on a successive-approximation register architecture with an internal track-and-hold circuit. It can be configured to accept one or two input signals at inputs IN1 and IN2.

The output serial data is straight binary, and is compatible with several standards, such as SPI™, QSPI™, MICROWIRE, and many common DSP serial interfaces.

The ADC122S051/ADC122S051Q operates with a single supply that can range from +2.7V to +5.25V. Normal power consumption using a +3V or +5V supply is 3.0 mW and 10 mW, respectively. The power-down feature reduces the power consumption to just 0.14 µW using a +3V supply, or 0.32 µW using a +5V supply.

The ADC122S051/ADC122S051Q is packaged in an 8-lead VSSOP package. Operation over the industrial temperature range of −40°C to +85°C is specified.

The ADC122S051/ADC122S051Q is a low-power, two-channel CMOS 12-bit analog-to-digital converter with a high-speed serial interface. Unlike the conventional practice of specifying performance at a single sample rate only, the ADC122S051/ADC122S051Q is fully specified over a sample rate range of 200 ksps to 500 ksps. The converter is based on a successive-approximation register architecture with an internal track-and-hold circuit. It can be configured to accept one or two input signals at inputs IN1 and IN2.

The output serial data is straight binary, and is compatible with several standards, such as SPI™, QSPI™, MICROWIRE, and many common DSP serial interfaces.

The ADC122S051/ADC122S051Q operates with a single supply that can range from +2.7V to +5.25V. Normal power consumption using a +3V or +5V supply is 3.0 mW and 10 mW, respectively. The power-down feature reduces the power consumption to just 0.14 µW using a +3V supply, or 0.32 µW using a +5V supply.

The ADC122S051/ADC122S051Q is packaged in an 8-lead VSSOP package. Operation over the industrial temperature range of −40°C to +85°C is specified.
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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt ADC122S051 2 Channel, 200 ksps to 500 ksps 12-Bit A/D Converter datasheet (Rev. E) 19.03.2013
Circuit design Low-input bias-current front end SAR ADC circuit (Rev. B) PDF | HTML 24.09.2024
E-book Best of Baker's Best: Precision Data Converters -- SAR ADCs 21.05.2015

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