MAX1002

Low-Power, 60Msps, Dual, 6-Bit ADC

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Status Explanations for product status codes

Active: In Production.

Description

The MAX1002 is a dual, 6-bit analog-to-digital converter (ADC) that combines high-speed, low-power operation with a user-selectable input range, an internal reference, and a clock oscillator. The dual, parallel ADCs are designed to convert in-phase (I) and quadrature (Q) analog signals into two 6-bit offset-binary-coded digital outputs at sampling rates up to 60Msps while achieving typical integral nonlinearity (INL) and differential nonlinearity (DNL) of ±1/4LSB. The ability to interface directly with baseband I and Q signals makes the MAX1002 ideal for use in direct-broadcast satellite, VSAT, and QAM16 demodulation applications.

The MAX1002 input amplifiers feature true differential inputs, a 55MHz -0.5dB analog bandwidth, and user-programmable input full-scale ranges of 125mVp-p, 250mVp-p, or 500mVp-p. With an AC-coupled input signal, matching performance between input channels is typically 0.1dB gain, 1/4LSB offset, and 0.5° phase. Dynamic performance is 5.85 effective number of bits (ENOB) with a 20MHz analog input signal, or 5.78 ENOB with a 50MHz input signal.

The MAX1002 operates with a single +5V power supply and provides TTL-compatible digital outputs. The device is available in the commercial temperature range (0°C to +70°C) and comes in a 36-pin SSOP package.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 0 (PDF, 120kB)
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An evaluation kit is available: MAX1002EVKIT, MAX1003EVKIT

Key Features

  • ±1/4LSB INL and DNL, Typical
  • 1/4LSB (typ) Channel-to-Channel Offset Matching
  • 0.1dB Gain and 0.5° Phase Matching, Typical
  • Internal Bandgap Voltage Reference
  • Two Matched 6-Bit, 60Msps ADCs
  • Excellent Dynamic Performance:
    • 5.85 ENOB with 20MHz Analog Input
    • 5.7 ENOB with 50MHz Analog Input
  • Internal Oscillator with Overdrive Capability
  • 55MHz (-0.5dB) Bandwidth Input Amplifiers with True Differential Inputs
  • User-Selectable Input Full-Scale Range (125mVp-p, 250mVp-p, or 500mVp-p)
  • Single-Ended or Differential Input Drive
  • +5V Single Supply
  • TTL Outputs
  • 90Msps Upgrade with +3.3V CMOS-Compatible Output Available (MAX1003)
 

Applications/Uses

  • Cable Television Set-Top Boxes
  • Direct-Broadcast Satellite (DBS) Receiver
  • VSAT Receivers
  • Wide Local Area Networks (WLANs)
   

Key Specifications:

High-Speed ADCs (> 5Msps)
Part Number Input Chan. Resolution
(bits)
Sample Rate
(Msps)
AC Specs
(MHz)
SFDR
(dBc)
ENOB
(bits)
SINAD
(dB)
INL
(±LSB)
DNL
(±LSB)
Full Pwr. BW
(MHz)
ICC
(mA)
Smallest Available Pckg.
(mm2)
Budgetary Price
max ≥ @ fIN min min min typ max w/pins See Notes
MAX1002  2 6 60 20 53 5.85 37 0.25 0.25 55 87 163.4 $3.40 @1k
See All High-Speed ADCs (> 5Msps) (74)
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 prices and delivery, please see the price and availability page or contact an authorized distributor.


Diagram

MAX1002: Functional Diagram
Functional Diagram

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Information Index

Document Ref.: 19-1270 Rev 0; 1997-07-01
This page last modified: 2009-11-06




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