1. Products
  2. A/D Converters (ADC)
  3. Precision A/D Converters
  4. Multiplexed A/D Converters
  5. MAX1326


Features and Benefits

  • 8-/4-/2-Channel, 14-Bit ADCs
    • ±1.5 LSB INL, ±1 LSB DNL, No Missing Codes
    • 90dBc SFDR, -86dBc THD, 76.5dB SINAD, 77dB SNR at 100kHz Input
  • On-Chip T/H Circuit for Each Channel
    • 10ns Aperture Delay
    • 50ps Channel-to-Channel T/H Matching
  • Fast Conversion Time
    • One Channel in 1.6µs
    • Two Channels in 1.9µs
    • Four Channels in 2.5µs
    • Eight Channels in 3.7µs
  • High Throughput
    • 526ksps/ch for One Channel
    • 455ksps/ch for Two Channels
    • 357ksps/ch for Four Channels
    • 250ksps/ch for Eight Channels
  • Flexible Input Ranges
    • 0 to +5V (MAX1316/MAX1317/MAX1318)
    • ±5V (MAX1320/MAX1321/MAX1322)
    • ±10V (MAX1324/MAX1325/MAX1326)
  • No Calibration Needed
  • 14-Bit, High-Speed, Parallel Interface
  • Internal or External Clock
  • +2.5V Internal Reference or +2.0V to +3.0V External Reference
  • +5V Analog Supply, +3V to +5V Digital Supply
    • 46mA Analog Supply Current (typ)
    • 1.6mA Digital Supply Current (max)
    • Shutdown and Power-Saving Modes
  • 48-Pin TQFP Package (7mm x 7mm Footprint)

Product Details

The MAX1316–MAX1318/MAX1320–MAX1322/MAX1324–MAX1326 14-bit, analog-to-digital converters (ADCs) offer two, four, or eight independent input channels. Independent track/hold (T/H) circuitry provides simultaneous sampling for each channel. The MAX1316/MAX1317/MAX1318 have a 0 to +5V input range with ±6.0V fault-tolerant inputs. The MAX1320/MAX1321/MAX1322 have a ±5V input range with ±16.5V fault-tolerant inputs. The MAX1324/MAX1325/MAX1326 have a ±10V input range with ±16.5V fault-tolerant inputs. These ADCs convert two channels in 2µs, and up to eight channels in 3.8µs, and have an 8-channel throughput of 250ksps per channel. Other features include a 10MHz T/H input bandwidth, internal clock, internal (+2.5V) or external (+2.0V to +3.0V) reference, and power-saving modes.

A 16.6MHz, 14-bit, bidirectional, parallel interface provides the conversion results and accepts digital configuration inputs.

These devices operate from a +4.75V to +5.25V analog supply and a separate +2.7V to +5.25V digital supply, and consume less than 50mA total supply current.

These devices come in a 48-pin TQFP package and operate over the extended -40°C to +85°C temperature range.


  • Multiphase Motor Control
  • Power-Factor Monitoring and Correction
  • Power-Grid Synchronization
  • Vibration and Waveform Analysis

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Product Recommendations

MAX1326 Companion Parts

Recommended Related Parts

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
MAX1326ECM+ Material Declaration Reliability Data 48-LQFP-7X7X1.4
Wafer Fabrication Data

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