MAX11108

Tiny, 2.1mm x 1.6mm, 3Msps, Low-Power, Serial 12-Bit ADC

12-Bit, Compact, High-Speed, Low-Power SAR ADC in a Tiny Package


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Description

The MAX11108 is a tiny (2.1mm x 1.6mm), 12-bit, compact, high-speed, low-power, successive approximation analog-to-digital converter (ADC). This high-performance ADC includes a high-dynamic range sample-and-hold and a high-speed serial interface. This ADC accepts a full-scale input from 0V to the power supply or to the reference voltage.

The MAX11108 features a single-ended analog input connected to the ADC core. The device also includes a separate supply input for data interface and a dedicated input for reference voltage.

The MAX11108 "communicates" from 1.5V to VDD and operates from a 2.2V to 3.6V supply. The device consumes only 6.6mW at 3Msps and includes full powerdown mode and fast wake-up for optimal power management and a high-speed 3-wire serial interface. The 3-wire serial interface directly connects to SPI/QSPI/MICROWIRE® devices without external logic.

Excellent dynamic performance, low voltage, low power, ease of use, and extremely small package size make this converter ideal for portable battery-powered dataacquisition applications, and for other applications that demand low-power consumption and minimal space.

The MAX11108 is available in an ultra-TQFN (2.1mm x 1.6mm) package, and operates over the -40°C to +125°C temperature range.

MAX11108: Typical Application Circuit MAX11108: Typical Application Circuit Enlarge+

Key Features

  • Compact ADC Saves Space
    • Single-Ended Analog Input 12-Bit Resolution ADC
    • 3Msps Conversion Rate with No Pipeline Delay
    • 73dB SNR
    • 10-Pin, Ultra-TQFN (μDFN), 2.1mm x 1.6mm Package
  • Low Power Consumption Extends Battery Life
    • 6.6mW at 3Msps
    • Very Low Power Consumption at 2.5μA/ksps
    • 1.3μA Power-Down Current
    • 2.2V to 3.6V Supply Voltage
  • Variable I/O Voltage Range of 1.5V to 3.6V Eases Interface to Microcontrollers
  • SPI-/QSPI-/MICROWIRE-Compatible Serial Interface Directly Connects to 1.5V, 1.8V, 2.5V, or 3V Digital System

Applications/Uses

  • Battery-Operated Systems
  • Communication Systems
  • Instrument Data Acquisition
  • Medical Instrumentation
  • Mobile
  • Portable Data Logging

See parametric specs for Precision ADCs (< 5Msps) (437)


Part NumberResolution
(bits)
Input Chan.Conv. Rate
(ksps)
ADC ArchitectureData BusDiff/S.E. InputExternal VREF
(V)
External VREF
(V)
Unipolar VIN
(V)
SNR
(dB)
THD
(dB)
INL
(±LSB)
Package/PinsBudgetary
Price
ADCmaxminmaxmaxSee Notes
MAX11108 1213000SAR
3-Wire SPI
DSP-Compatible Serial
Microwire
QSPI
SPI
S.E. Only2.23.63.672-851
ULTRA TQFN/10
$1.93 @1k

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.
Request Reliability Report for: MAX11108 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

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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