MAX11168

16-Bit, 500ksps, ±5V SAR ADC with Internal Reference in µMAX

Industry's Smallest, True Bipolar ±5V, 16-Bit ADC


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Description

The MAX11168 is a 16-bit, 500ksps, SAR ADC offering excellent AC and DC performance with true bipolar input range, internal reference, and small size. The MAX11168 measures a ±5V (10VP-P) input range while operating from a single 5V supply. A patented charge-pump architecture allows direct sampling of high-impedance sources. The MAX11168 integrates a low drift reference with internal buffer, saving the cost and space of an external reference.

This ADC achieves 92.3dB SNR and -101dB THD. The MAX11168 guarantees 16-bit no-missing codes and ±0.75 LSB INL (typ).

The MAX11168 communicates using an SPI-compatible serial interface at 2.5V, 3V, 3.3V, or 5V logic. The serial interface can be used to daisy-chain multiple ADCs for multichannel applications and provides a busy indicator option for simplified system synchronization and timing.

The MAX11168 is offered in a 10-pin, 3mm x 5mm, µMAX® package and is specified over the -40°C to +85°C. 

MAX11168: Typical Operating Circuit MAX11168: Typical Operating Circuit Enlarge+

Key Features

  • High DC/AC Accuracy Improves Measurement Quality
    • 16-Bit Resolution with No Missing Codes
    • 500ksps Throughput Rates without Pipeline Delay/Latency
    • 92.3dB SNR and -101dB THD at 10kHz
    • 0.5 LSBRMS Input-Referred Noise
    • ±0.2 LSB DNL (typ) and ±0.75 LSB INL (typ)
  • Highly Integrated ADC Saves Cost and Space
    • ±7ppm/°C Internal Reference
    • Internal Reference Buffer
    • ±5V Bipolar Analog Input Range
  • Wide Supply Range and Low Power Simplify Power-Supply Design
    • 5V Analog Supply
    • 2.3V to 5V Digital Supply
    • 37.6mW Power Consumption at 500ksps
    • 10µA in Shutdown Mode
  • Multi-Industry Standard Serial Interface and Small Package Reduce Size
    • SPI/QSPI/MICROWIRE®/DSP-Compatible Serial Interface
    • 3mm x 5mm Tiny 10-Pin µMAX Package

Applications/Uses

  • Automatic Test Equipment
  • Data Acquisition Systems
  • Industrial Process Control
  • Medical Instrumentation
Part NumberResolution
(bits)
Input Chan.Conv. Rate
(ksps)
ADC ArchitectureData BusDiff/S.E. InputInternal VREF
(V)
Bipolar VIN
(±V)
SNR
(dB)
THD
(dB)
INL
(±LSB)
Package/PinsBudgetary
Price
ADCmaxnominalmaxSee Notes
MAX11168 161500SARSPIBoth4.096593-1051
uMAX/8
uMAX/10
$13.40 @1k
See All Precision ADCs (< 5Msps) (474)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


MAX11150EVKIT: Evaluation Kit for the MAX11150/MAX11152/MAX11158/MAX11160/MAX11161 /MAX11162 /MAX11163 /MAX11168 /MAX11169
MAX11152EVKIT: Evaluation Kit for the MAX11150/MAX11152/MAX11158/MAX11160/MAX11161 /MAX11162 /MAX11163 /MAX11168 /MAX11169
MAX11158EVKIT: Evaluation Kit for the MAX11150/MAX11152/MAX11158/MAX11160/MAX11161 /MAX11162 /MAX11163 /MAX11168 /MAX11169
MAX11160EVKIT: Evaluation Kit for the MAX11150/MAX11152/MAX11158/MAX11160/MAX11161 /MAX11162 /MAX11163 /MAX11168 /MAX11169
MAX11162EVKIT: Evaluation Kit for the MAX11150/MAX11152/MAX11158/MAX11160/MAX11161 /MAX11162 /MAX11163 /MAX11168 /MAX11169
MAX11168EVKIT: Evaluation Kit for the MAX11150/MAX11152/MAX11158/MAX11160/MAX11161 /MAX11162 /MAX11163 /MAX11168 /MAX11169
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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