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ADC Single SAR 1.6Msps 18-bit Serial 20-Pin TQFN Tube, MAX11903ETP+, Maxim Integrated

The MAX11903 is an 18-bit, 1.6Msps, single-channel, fully differential SAR ADC with internal reference buffers. The MAX11903 provides excellent static and dynamic performance with best-in-class power consumption that directly scales with throughput. The device has a unipolar differential ±VREF input range. Supplies include a 3.3V supply for the reference buffers, a 1.8V analog supply, a 1.8V digital supply, and a 1.5V to 3.6V digital interface supply. This ADC achieves 98dB SNR and -123dB THD, guarantees 18-bit resolution with no-missing codes and 2 LSB INL (max). The MAX11903 communicates data using a SPI-compatible serial interface. The MAX11903 is offered in a 20-pin, 4mm x 4mm, TQFN package and is specified over the -40°C to +85°C operating temperature range.

  • High DC/AC Accuracy Provides Better Measurement Quality
    • 18-Bit Resolution with No Missing Codes
    • ±2 LSB INL and ±0.5 LSB DNL Maximum at 18 Bits
    • 98.0dB SNR and 97.8dB SINAD at fIN = 10kHz
    • -123dB THD at fIN = 10kHz
  • High Sampling Rate SAR Architecture Enables Fast Settling and Acquisition
    • 1.6Msps Throughput with No Pipeline Delay
  • Integration Simplifies Design
    • Integrated Reference Buffers, VREF = 2.5V to 3.6V
    • ±VREF Unipolar Differential Analog Input Range
  • Scalable Ultra-Low Power Supply Reduces Power Consumption
    • 9mW at 1.6Msps
  • Flexible Low-Voltage Supplies Save Cost
    • 1.8V Analog and Digital Core Supply
    • 1.5V to 3.6V Digital Interface Supply
    • 3.3V REFVDD Reference Buffer Supply
  • Flexible, Industry-Standard Serial Interface and Small Package Reduce Size
    • SPI-/QSPI™-/MICROWIRE®/DSP-Compatible
    • 20-Pin, 4mm x 4mm, TQFN Package

    • Характеристики

    Volt_supply_source

    Analog, Digital
    Number_of_analog_inputs

    1
    Sampling_rate

    1.6 MSPS
    Volt_reference

    External, Internal
    Digital_supply_support

    Yes
    Architecture

    SAR
    Resolution

    18 Bit
    Typical_power_dissipation

    8.4 mW
    Differential_nonlinearity

    0.5 LSB
    Signal_to_noise_ratio

    98 dB
    Input_type

    Voltage
    Input_signal_type

    Differential
    Input_volt

    ±3.3 V
    Бренд

    Eccn

    EAR99
    Htsn

    8542390001
    Mounting

    Surface Mount
    Operating_temp

    -40 to 85 °C
    Pin_count

    20
    Product_dimensions

    4 x 4 x 0.73
    Schedule_b

    8542390000
    Screening_level

    Extended Industrial
    Specifications

    https://4donline.ihs.com/images/VipMasterIC/IC/MAXM/MAXM-S-A0000633411/MAXM-S-A0000775845-1.pdf?hkey=52A5661711E402568146F3353EA87419
    Number_of_adc_channels

    1
    Polarity_of_input_volt

    Bipolar, Unipolar
    Operating_supply_volt

    1.7, 1.8 V, 1.9
    Number_of_adcs

    1
    Digital_interface_type

    Serial (4-Wire, SPI, QSPI, Microwire)
    Артикул: MAX11903ETP+

    Описание

    The MAX11903 is an 18-bit, 1.6Msps, single-channel, fully differential SAR ADC with internal reference buffers. The MAX11903 provides excellent static and dynamic performance with best-in-class power consumption that directly scales with throughput. The device has a unipolar differential ±VREF input range. Supplies include a 3.3V supply for the reference buffers, a 1.8V analog supply, a 1.8V digital supply, and a 1.5V to 3.6V digital interface supply. This ADC achieves 98dB SNR and -123dB THD, guarantees 18-bit resolution with no-missing codes and 2 LSB INL (max). The MAX11903 communicates data using a SPI-compatible serial interface. The MAX11903 is offered in a 20-pin, 4mm x 4mm, TQFN package and is specified over the -40°C to +85°C operating temperature range.

    • High DC/AC Accuracy Provides Better Measurement Quality
      • 18-Bit Resolution with No Missing Codes
      • ±2 LSB INL and ±0.5 LSB DNL Maximum at 18 Bits
      • 98.0dB SNR and 97.8dB SINAD at fIN = 10kHz
      • -123dB THD at fIN = 10kHz
  • High Sampling Rate SAR Architecture Enables Fast Settling and Acquisition
    • 1.6Msps Throughput with No Pipeline Delay
  • Integration Simplifies Design
    • Integrated Reference Buffers, VREF = 2.5V to 3.6V
    • ±VREF Unipolar Differential Analog Input Range
  • Scalable Ultra-Low Power Supply Reduces Power Consumption
    • 9mW at 1.6Msps
  • Flexible Low-Voltage Supplies Save Cost
    • 1.8V Analog and Digital Core Supply
    • 1.5V to 3.6V Digital Interface Supply
    • 3.3V REFVDD Reference Buffer Supply
  • Flexible, Industry-Standard Serial Interface and Small Package Reduce Size
    • SPI-/QSPI™-/MICROWIRE®/DSP-Compatible
    • 20-Pin, 4mm x 4mm, TQFN Package

    • Детали

    Volt_supply_source

    Analog, Digital
    Number_of_analog_inputs

    1
    Sampling_rate

    1.6 MSPS
    Volt_reference

    External, Internal
    Digital_supply_support

    Yes
    Architecture

    SAR
    Resolution

    18 Bit
    Typical_power_dissipation

    8.4 mW
    Differential_nonlinearity

    0.5 LSB
    Signal_to_noise_ratio

    98 dB
    Input_type

    Voltage
    Input_signal_type

    Differential
    Input_volt

    ±3.3 V
    Бренд

    Eccn

    EAR99
    Htsn

    8542390001
    Mounting

    Surface Mount
    Operating_temp

    -40 to 85 °C
    Pin_count

    20
    Product_dimensions

    4 x 4 x 0.73
    Schedule_b

    8542390000
    Screening_level

    Extended Industrial
    Specifications

    https://4donline.ihs.com/images/VipMasterIC/IC/MAXM/MAXM-S-A0000633411/MAXM-S-A0000775845-1.pdf?hkey=52A5661711E402568146F3353EA87419
    Number_of_adc_channels

    1
    Polarity_of_input_volt

    Bipolar, Unipolar
    Operating_supply_volt

    1.7, 1.8 V, 1.9
    Number_of_adcs

    1
    Digital_interface_type

    Serial (4-Wire, SPI, QSPI, Microwire)

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