Ultra-Low-Power, Octal, 12-Bit, 50Msps, 1.8V ADC with Serial LVDS Outputs

Ultra-Low-Power, High-Speed ADC with 8 Channels for
Multichannel Medical Imaging Applications
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Active: In Production.


The MAX19527 is an octal, 12-bit analog-to-digital converter (ADC), optimized for the low-power and high-dynamic performance requirements of medical imaging instrumentation and digital communications applications. The device operates from a single 1.8V supply and consumes 440mW (55mW per channel), while providing a 69dBFS signal-to-noise ratio (SNR) at a 5.3MHz input frequency. In addition to low operating power, the device features programmable power management for idle states and reduced-channel operation.

An internal 1.25V precision bandgap reference sets the full-scale range of the ADC to 1.5VP-P. A flexible reference structure allows the use of an external reference for applications requiring greater gain accuracy or a different input voltage range. A programmable common-mode voltage reference output is provided to enable DC-coupled input applications.

Various adjustments and feature selections are available through programmable registers that are accessed through the 3-wire serial peripheral interface (SPI™).

A flexible clock input circuit allows for a single-ended, logic-level clock or a differential clock signal. An on-chip PLL generates the multiplied (6x) clock required for the serial LVDS digital outputs. The serial LVDS output provides programmable test patterns for data timing alignment and output drivers with programmable current drive and programmable internal termination.

The device is available in a small, 10mm x 10mm x 1.2mm, 144-lead thin chip ball grid array (CTBGA) package and is specified for the extended industrial (-40°C to +85°C) temperature range.

Data Sheet

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An evaluation board is available: MAX19527EVKIT

Key Features

  • Ultra-Low-Power Operation
    • 55mW per Channel at 50Msps
  • Single 1.8V Power Supply
  • Excellent Dynamic Performance
    • 69dBFS SNR at 5.3MHz
    • 140dBc/Hz Near-Carrier SNR at 1kHz Offset from a 5.3MHz Tone
    • 84dBc SFDR at 5.3MHz
    • 90dB Channel Isolation at 5.3MHz
  • User-Programmable Adjustment and Feature Selection through an SPI Interface
  • Serial LVDS Outputs with Programmable Current Drive and Internal Termination
  • Programmable Power Management
  • Internal or External Reference Operation
  • Single-Ended or Differential Clock Input
  • Programmable Output Data Format
  • Built-In Output Data Test Patterns
  • Small, 10mm x 10mm, 144-Lead CTBGA Package
  • Evaluation Kit Available (Order MAX19527EVKIT+)


  • Instrumentation
  • Multichannel Communications
  • Ultrasound and Medical Imaging
  • ZIF GSM and TD-SCDMA Transceivers

Key Specifications:

High-Speed ADCs (> 5Msps)
Part Number Input Chan. Resolution
Sample Rate
AC Specs
Full Pwr. BW
Data Bus Interface Budgetary
max ≥ @ fIN min min min typ See Notes
MAX19527  8 12 50 19.3 84 11 68.2 68.5 -81 0.3 0.5 500 158 Serial LVDS $45.07 @1k
See All High-Speed ADCs (> 5Msps) (73)

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.


MAX19527: Simplified Block Diagram
Simplified Block Diagram

More Information

New Product Press Release   2010-07-29 ]

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Information Index

Document Ref.: 19-5309 Rev 0; 2010-07-16
This page last modified: 2010-10-11