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MAX1192
Ultra-Low-Power, 22Msps, Dual 8-Bit ADC


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Data Sheet
FULL DATA SHEET (PDF, 632kB)
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Description
The MAX1192 is an ultra-low-power, dual, 8-bit, 22Msps analog-to-digital converter (ADC). The device features two fully differential wideband track-and-hold (T/H) inputs. These inputs have a 440MHz bandwidth and accept fully differential or single-ended signals. The MAX1192 delivers a typical signal-to-noise and distortion (SINAD) of 48.6dB at an input frequency of 5.5MHz and a sampling rate of 22Msps while consuming only 27.3mW. This ADC operates from a 2.7V to 3.6V analog power supply. A separate 1.8V to 3.6V supply powers the digital output driver. In addition to ultra-low operating power, the MAX1192 features three power-down modes to conserve power during idle periods. Excellent dynamic performance, ultra-low power, and small size make the MAX1192 ideal for applications in imaging, instrumentation, and digital communications.

An internal 1.024V precision bandgap reference sets the full-scale range of the ADC to ±0.512V. A flexible reference structure allows the MAX1192 to use its internal reference or accept an externally applied reference for applications requiring increased accuracy.

The MAX1192 features parallel, multiplexed, CMOS-compatible tri-state outputs. The digital output format is offset binary. A separate digital power input accepts a voltage from 1.8V to 3.6V for flexible interfacing to different logic levels. The MAX1192 is available in a 5mm x 5mm, 28-pin thin QFN package, and is specified for the extended industrial (-40°C to +85°C) temperature range.

For higher sampling frequency applications, refer to the MAX1195-MAX1198 dual 8-bit ADCs. See a parametric table of the complete family of pin-compatible, 8-bit high-speed ADCs.

Key Features   Applications/Uses
  • Ultra-Low Power
    • 27.3mW (Normal Operation: 22Msps)
    • 1.8µW (Shutdown Mode)
  • Excellent Dynamic Performance
    • 48.6dB/47.2dB SNR at fIN = 5.5MHz/125MHz
    • 70dBc/69dBc SFDR at fIN = 5.5MHz/125MHz
  • 2.7V to 3.6V Single Analog Supply
  • 1.8V to 3.6V TTL/CMOS-Compatible Digital Outputs
  • Fully Differential or Single-Ended Analog Inputs
  • Internal/External Reference Option
  • Multiplexed CMOS-Compatible Tri-State Outputs
  • 28-Pin Thin QFN Package
  • Evaluation Kit Available (Order MAX1193EVKIT)

 
  • Battery-Powered Portable Instruments
  • IQ Baseband Sampling
  • Low-Power Video
  • Ultrasound and Medical Imaging
  • WLAN, Mobile DSL, WLL Receiver

    Key Specifications:   High-Speed ADCs (> 5Msps)
    Part Number Resolution (Bits) Sample Rate (max) (Msps) Sample Rate (max) (Msps) SFDR (dBc) SINAD (dB) SNR (dB) THD (db) INL (±LSB) DNL (±LSB) Full-Power BW (MHz) Data Bus Interface Price**
    MAX1192  8 22 22 70 48.6 48.6 -70 0.15 0.14 440 µP/10 $3.37 @ 1k
    See All High-Speed ADCs (> 5Msps) (81)
    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 prices and delivery, please see the price and availability page or contact an authorized distributor.

    Application Notes
  • Application Note 1040: Coherent Sampling vs. Window Sampling - MAX1192
  • Application Note 1819: Selecting the Optimum Test Tones and Test Equipment for Successful High-Speed ADC Sinewave Testing - MAX1192
  • Application Note 2085: Histogram Testing Determines DNL and INL Errors - MAX1192
  • Application Note 2771: High-Speed ADC Sets Input Common-Mode Range - MAX1192

    Evaluation Kits
    none

    Design Guides
  • High-Speed ADCs, DACs, & AFEs (PDF)

    Reliability Reports
  • Show FIT data for:
  • Request Reliability Report for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-4 of 4

    MAX1192 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1192ETI  
    THIN QFN;28 pin;
    Dwg: 21-0140 (PDF)
    Use pkgcode/variation: T2855-3*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1192ETI-T  
    THIN QFN;28 pin;
    Dwg: 21-0140 (PDF)
    Use pkgcode/variation: T2855-3*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1192ETI+  
    THIN QFN;28 pin;
    Dwg: 21-0140 (PDF)
    Use pkgcode/variation: T2855+3*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1192ETI+T  
    THIN QFN;28 pin;
    Dwg: 21-0140 (PDF)
    Use pkgcode/variation: T2855+3*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  • Evaluation Kit: MAX1193EVKIT

    Related Products
    MAX1195 Dual, 8-Bit, 40Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs
    MAX1197 Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs
    MAX1198 Dual, 8-Bit, 100Msps, 3.3V, Low-Power ADC with Internal Reference and Parallel Outputs
    MAX1196 Dual 8-Bit, 40Msps, 3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs
    MAX1191 Ultra-Low-Power, 7.5Msps, Dual, 8-Bit ADC
    MAX1193 Ultra-Low-Power, 45Msps, Dual 8-Bit ADC

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    Document Ref.: 19-2835; Rev 1; 2003-09-27
    This page last modified: 2007-08-08



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