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ADC128S022

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8-Channel, 50 ksps to 200 ksps, 12-Bit A/D Converter

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Data sheet

ADC128S022

ACTIVE
Data sheet Order now

Product details

Resolution (Bits) 12 Sample rate (max) (ksps) 200 Number of input channels 8 Interface type Microwire (Serial I/O), SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode Supply Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 105 Power consumption (typ) (mW) 1.2 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 5.25 SNR (dB) 73 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
Resolution (Bits) 12 Sample rate (max) (ksps) 200 Number of input channels 8 Interface type Microwire (Serial I/O), SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode Supply Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 105 Power consumption (typ) (mW) 1.2 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 5.25 SNR (dB) 73 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
TSSOP (PW) 16 32 mm² (5 mm × 6.4 mm)
  • Eight Input Channels
  • Variable Power Management
  • Independent Analog and Digital Supplies
  • SPI™/QSPI™/MICROWIRE/DSP Compatible
  • Packaged in 16-lead TSSOP
  • Conversion Rate: 50 ksps to 200ksps
  • DNL (VA = VD = 5 V): +1 / –0.7 LSB (Maximum)
  • INL (VA = VD = 5 V): ±1 LSB (Maximum)
  • Power Consumption
    • 3V Supply: 1.2 mW (Typical)
    • 5V Supply: 7.5 mW (Typical)
  • Eight Input Channels
  • Variable Power Management
  • Independent Analog and Digital Supplies
  • SPI™/QSPI™/MICROWIRE/DSP Compatible
  • Packaged in 16-lead TSSOP
  • Conversion Rate: 50 ksps to 200ksps
  • DNL (VA = VD = 5 V): +1 / –0.7 LSB (Maximum)
  • INL (VA = VD = 5 V): ±1 LSB (Maximum)
  • Power Consumption
    • 3V Supply: 1.2 mW (Typical)
    • 5V Supply: 7.5 mW (Typical)

The ADC128S022 device is a low-power, eight-channel CMOS 12-bit analog-to-digital converter specified for conversion throughput rates of 50 ksps to 200 ksps. The converter is based on a successive-approximation register architecture with an internal track-and-hold circuit. It can be configured to accept up to eight input signals at inputs IN0 through IN7.

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 ADC128S022 may be operated with independent analog and digital supplies. The analog supply (VA) can range from 2.7 V to 5.25 V, and the digital supply (VD) can range from 2.7 V to VA. Normal power consumption using a 3-V or 5-V supply is 1.2 mW and 7.5 mW, respectively. The power-down feature reduces the power consumption to 0.06 µW using a 3-V supply and 0.25 µW using a 5-V supply.

The ADC128S022 is packaged in a 16-lead TSSOP package. Operation over the extended industrial temperature range of –40°C to +105°C is ensured.

The ADC128S022 device is a low-power, eight-channel CMOS 12-bit analog-to-digital converter specified for conversion throughput rates of 50 ksps to 200 ksps. The converter is based on a successive-approximation register architecture with an internal track-and-hold circuit. It can be configured to accept up to eight input signals at inputs IN0 through IN7.

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 ADC128S022 may be operated with independent analog and digital supplies. The analog supply (VA) can range from 2.7 V to 5.25 V, and the digital supply (VD) can range from 2.7 V to VA. Normal power consumption using a 3-V or 5-V supply is 1.2 mW and 7.5 mW, respectively. The power-down feature reduces the power consumption to 0.06 µW using a 3-V supply and 0.25 µW using a 5-V supply.

The ADC128S022 is packaged in a 16-lead TSSOP package. Operation over the extended industrial temperature range of –40°C to +105°C is ensured.
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Technical documentation

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* Data sheet ADC128S022 8-Channel, 50 kSPS to 200 kSPS, 12-Bit A/D Converter datasheet (Rev. F) PDF | HTML Nov 30, 2015
E-book Best of Baker's Best: Precision Data Converters -- SAR ADCs May 21, 2015

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Evaluation board

ADC128S102EVM — ADC128S102 evaluation module for 12-bit, eight-channel, SAR analog-to-digital converter (ADC)

The ADC128S102 evaluation module (EVM) is a platform for evaluating the operation and performance of the ADC128S102, a 12-bit, eight-channel, 1-MSPS, serial-interface, system activity report (SAR) analog-to-digital converter (ADC). The user can source an analog input and the user-friendly graphical (...)

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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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