MAX1193

Ultra-Low-Power, 45Msps, Dual 8-Bit ADC


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Description

The MAX1193 is an ultra-low-power, dual, 8-bit, 45Msps 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 MAX1193 delivers a typical signal-to-noise and distortion (SINAD) of 48.5dB at an input frequency of 5.5MHz and a sampling rate of 45Msps while consuming only 57mW. 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 MAX1193 features three power-down modes to conserve power during idle periods. Excellent dynamic performance, ultra-low power, and small size make the MAX1193 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 MAX1193 to use its internal reference or accept an externally applied reference for applications requiring increased accuracy.

The MAX1193 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 MAX1193 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.
MAX1193: Functional Diagram MAX1193: Functional Diagram Enlarge+

Key Features

  • Ultra-Low Power
    • 57mW (Normal Operation: 45Msps)
    • 0.3µW (Shutdown Mode)
  • Excellent Dynamic Performance
    • 48.5dB/48.3dB SNR at fIN = 5.5MHz/100MHz
    • 70dBc/68dBc SFDR at fIN = 5.5MHz/100MHz
  • 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)

Applications/Uses

  • Battery-Powered Portable Instruments
  • IQ Baseband Sampling
  • Low-Power Video
  • Ultrasound and Medical Imaging
  • WLAN, Mobile DSL, WLL Receiver
Part NumberInput Chan.Resolution
(bits)
Sample Rate
(Msps)
SFDR
(dBc)
SINAD
(dB)
SNR
(dB)
THD
(dB)
DNL
(±LSB)
INL
(±LSB)
Full Pwr. BW
(MHz)
Data Bus InterfacePackage/PinsBudgetary
Price
max ≥minminSee Notes
MAX1193 28457048.548.5-700.150.16440µP/10
TQFN/28
$3.88 @1k
See All High-Speed ADCs (> 5Msps) (53)
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.


MAX1193EVKIT: Evaluation Kit for the MAX1191, MAX1192, and MAX1193

CAD Symbols and Footprints

  • MAX1193ETI+
  • MAX1193ETI+T
  • 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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    Related Resources


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    05/29/2020 - 05/31/2020, Detroit, MI
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