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MAX11629
Analog Data Converters Analog-to-Digital Converters MAX11629
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MAX11629

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12-Bit, 300ksps ADCs with FIFO and Internal Reference

Complete family of low-cost, 12-bit, 4-/8-/12-/16-channel ADCs with internal reference, FIFO, and SPI interface

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Product Details

See parametric specs for Precision ADCs (< 5Msps)

Key Features

See parametric specs for Precision ADCs (< 5Msps)
Parametric specs for Precision ADCs (< 5Msps)
Resolution (bits) (ADC) 12
# Input Channels 8
Conv. Rate (ksps) (max) 300
Data Bus SPI
ADC Architecture SAR
Diff/S.E. Input S.E. Only
Internal VREF (V) (nominal) 2.5
External VREF (V) (min) 1
External VREF (V) (max) 3.6
Unipolar VIN (V) (max) 2.5
INL (±LSB) 1
Package/Pins QSOP/16
Budgetary
Price (See Notes) 		3.53
See parametric specs for Precision ADCs (< 5Msps)
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Simplified Block Diagram

Technical Docs

Data Sheet 12-Bit, 300ksps ADCs with FIFO and Internal Reference Oct 13, 2014

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Parameters

Parametric specs for Precision ADCs (<u><</u> 5Msps)
Resolution (bits) (ADC) 12
# Input Channels 8
Conv. Rate (ksps) (max) 300
Data Bus SPI
ADC Architecture SAR
Diff/S.E. Input S.E. Only
Internal VREF (V) (nominal) 2.5
External VREF (V) (min) 1
External VREF (V) (max) 3.6
Unipolar VIN (V) (max) 2.5
INL (±LSB) 1
Package/Pins QSOP/16
Budgetary
Price (See Notes) 		3.53
See parametric specs for Precision ADCs (<u><</u> 5Msps)

Key Features

  • Analog Multiplexer with Track/Hold
    • 16 Channels (MAX11632/MAX11633)
    • 8 Channels (MAX11628/MAX11629)
    • 4 Channels (MAX11626/MAX11627)
  • Single Supply
    • 2.7V to 3.6V (MAX11627/MAX11629/MAX11633)
    • 4.75V to 5.25V (MAX11626/MAX11628/MAX11632)
  • Internal Reference
    • 2.5V (MAX11627/MAX11629/MAX11633)
    • 4.096V (MAX11626/MAX11628/MAX11632)
  • External Reference: 1V to VDD
  • 16-Entry First-In/First-Out (FIFO)
  • Scan Mode, Internal Averaging, and Internal Clock
  • Accuracy: ±1 LSB INL, ±1 LSB DNL, No Missing Codes Over Temperature
  • 10MHz 3-Wire SPI-/QSPI-/MICROWIRE-Compatible Interface
  • Small Packages
    • 16-Pin QSOP (MAX11626–MAX11629)
    • 24-Pin QSOP (MAX11632/MAX11633)

Applications/Uses

  • Data Logging
  • Data-Acquisition Systems
  • Industrial Control Systems
  • Instrumentation
  • Patient Monitoring
  • System Supervision

Description

The MAX11626–MAX11629/MAX11632/MAX11633 are serial 12-bit analog-to-digital converters (ADCs) with an internal reference. These devices feature on-chip FIFO, scan mode, internal clock mode, internal averaging, and AutoShutdown™. The maximum sampling rate is 300ksps using an external clock. The MAX11632/MAX11633 have 16 input channels; the MAX11628/MAX11629 have 8 input channels; and the MAX11626/MAX11627 have 4 input channels. These six devices operate from either a +3V supply or a +5V supply, and contain a 10MHz SPI-/QSPI™-/MICROWIRE®-compatible serial port.

The MAX11626–MAX11629 are available in 16-pin QSOP packages. The MAX11632/MAX11633 are available in 24-pin QSOP packages. All six devices are specified over the extended -40°C to +85°C temperature range.

Simplified Block Diagram

MAX11626, MAX11627, MAX11628, MAX11629, MAX11632, MAX11633: Functional Diagram MAX11626, MAX11627, MAX11628, MAX11629, MAX11632, MAX11633: Functional Diagram Zoom icon

Technical Docs

Data Sheet 12-Bit, 300ksps ADCs with FIFO and Internal Reference Oct 13, 2014

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .