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MAX1434
Octal, 10-Bit, 50Msps, 1.8V ADC with Serial LVDS Outputs


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 384kB)
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Description
The MAX1434 octal, 10-bit analog-to-digital converter (ADC) features fully differential inputs, a pipelined architecture, and digital error correction incorporating a fully differential signal path. This ADC is optimized for low-power and high-dynamic performance in medical imaging instrumentation and digital communications applications. The MAX1434 operates from a 1.8V single supply and consumes only 767mW (96mW per channel) while delivering a 61dB (typ) signal-to-noise ratio (SNR) at a 5.3MHz input frequency. In addition to low operating power, the MAX1434 features a power-down mode for idle periods.

An internal 1.24V precision bandgap reference sets the full-scale range of the ADC. A flexible reference structure allows the use of an external reference for applications requiring increased accuracy or a different input voltage range. The reference architecture is optimized for low noise.

A single-ended clock controls the data-conversion process. An internal duty-cycle equalizer compensates for wide variations in clock duty cycle. An on-chip PLL generates the high-speed serial low-voltage differential signal (LVDS) clock.

The MAX1434 has self-aligned serial LVDS outputs for data, clock, and frame-alignment signals. The output data is presented in two's complement or binary format.

The MAX1434 offers a maximum sample rate of 50Msps. See a parametric table of the complete family of pin-compatible, 10-/12-bit high-speed ADCs. This device is available in a small, 14mm x 14mm x 1mm, 100-pin TQFP package with exposed paddle and is specified for the extended industrial (-40°C to +85°C) temperature range.

An evaluation kit is available:  MAX1434EVKIT, MAX1436EVKIT, MAX1437EVKIT, MAX1438EVKIT  

Key Features   Applications/Uses
  • Excellent Dynamic Performance
    • 61dB SNR at 5.3MHz
    • 84dBc SFDR at 5.3MHz
    • 94dB Channel Isolation
  • Ultra-Low Power 96mW per Channel (Normal Operation)
  • Serial LVDS Outputs
  • Pin-Selectable LVDS/SLVS (Scalable Low-Voltage Signal) Mode
  • LVDS Outputs Support Up to 30 Inches FR-4 Backplane Connections
  • Test Mode for Digital Signal Integrity
  • Fully Differential Analog Inputs
  • Wide Differential Input Voltage Range (1.4VP-P)
  • On-Chip 1.24V Precision Bandgap Reference
  • Clock Duty-Cycle Equalizer
  • Compact, 100-Pin TQFP Package with Exposed Paddle
  • Evaluation Kit Available (Order MAX1434EVKIT)
 
  • Instrumentation
  • Multichannel Communications
  • Ultrasound and Medical Imaging

Key Specifications:  High-Speed ADCs (> 5Msps)
Part Number Input Chan. Resolution
(bits)
Sample Rate
(Msps)
AC Specs
(MHz)
SFDR
(dBc)
ENOB
(bits)
SINAD
(dB)
SNR
(dB)
THD
(dB)
INL
(±LSB)
DNL
(±LSB)
Full Pwr. BW
(MHz)
ICC
(mA)
Data Bus Interface Smallest Available Pckg.
(mm2)
Price
max ≥ @ fIN min min min min min typ max w/pins See Notes
MAX1434  8 10 50 19.3 85 9.9 61.1 61.1 -91 0.1 0.1 100 426 Serial LVDS 256 $39.85 @1k
See All High-Speed ADCs (> 5Msps) (77)

Diagram
MAX1434: Functional Diagram
Functional Diagram

Application Notes
  • Application Note 3190: Coherent Sampling Calculator (CSC) - MAX1434
  • Evaluation Kits
  • MAX1434EVKIT, MAX1436EVKIT, MAX1437EVKIT, MAX1438EVKIT
  • Reliability Reports
  • Request Reliability Report for:

    Software/Models
  • MAX1434 IBIS Model
  • MAX1434DT IBIS Model

    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

    MAX1434 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1434ECQ+D  
    Active TQFP-EP;100 pin;256 mm²
    Outline Drawing: 21-0116 (PDF)
    Land Pattern: 90-0153 (PDF)
    Use pkgcode/variation: C100E+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1434ECQ+TD    
    Active TQFP-EP;100 pin;256 mm²
    Outline Drawing: 21-0116 (PDF)
    Land Pattern: 90-0153 (PDF)
    Use pkgcode/variation: C100E+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1434ECQ-D  
    Active TQFP-EP;100 pin;256 mm²
    Outline Drawing: 21-0116 (PDF)
    Land Pattern: 90-0153 (PDF)
    Use pkgcode/variation: C100E-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1434ECQ-TD    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet

    Related Products
    MAX1437 Octal, 12-Bit, 50Msps, 1.8V ADC with Serial LVDS Outputs
    MAX1436 Octal, 12-Bit, 40Msps, 1.8V ADC with Serial LVDS Outputs
    MAX1438 Octal, 12-Bit, 65Msps, 1.8V ADC with Serial LVDS Outputs
    MAX1436B Octal, 12-Bit, 40Msps, 1.8V ADC with Serial LVDS Outputs

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    Document Ref.: 19-3647; Rev 0; 2005-05-11
    This page last modified: 2009-09-22


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