MAX1211
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MAX1211

12-Bit, 65Msps, IF Sampling ADC

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Part Details
Part Models 1
1ku List Price
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Features
  • Direct IF Sampling Up to 400MHz
  • 700MHz Input Bandwidth
  • Excellent Dynamic Performance
    • 66.8dB SNR at fIN = 175MHz
    • 79.7dBc SFDR at fIN = 175MHz
  • 3.3V Low-Power Operation
    • 314mW (Single-Ended Clock Mode)
    • 340mW (Differential Clock Mode)
  • Differential or Single-Ended Clock
  • Accepts 20% to 80% Clock Duty Cycle
  • Fully Differential or Single-Ended Analog Input
  • Adjustable Full-Scale Analog Input Range
  • Common-Mode Reference
  • Power-Down Mode
  • CMOS-Compatible Outputs in Two's Complement or Gray Code
  • Data-Valid Indicator Simplifies Digital Interface
  • Out-of-Range Indicator
  • Miniature, 40-Pin Thin QFN Package with Exposed Paddle
  • Evaluation Kit Available (Order MAX1211EVKIT)
Additional Details
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The MAX1211 is a 3.3V, 12-bit analog-to-digital converter (ADC) featuring a fully differential wideband track-and-hold (T/H) input, driving the internal quantizer. The MAX1211 is optimized for low power, small size, and high dynamic performance in intermediate frequency (IF) sampling applications. This ADC operates from a single 3.0V to 3.6V supply, consuming only 340mW while delivering a typical signal-to-noise ratio (SNR) performance of 66.8dB at a 175MHz input frequency. The T/H-driven input stage accepts single-ended or differential inputs. In addition to low operating power, the MAX1211 features a 0.15mW power-down mode to conserve power during idle periods.

A flexible reference structure allows the MAX1211 to use its internal precision bandgap reference or accept an externally applied reference. A common-mode reference is provided to simplify design and reduce external component count in differential analog input circuits.

The MAX1211 supports both a single-ended and differential input clock drive. Wide variations in the clock duty cycle are compensated with the ADC's internal duty-cycle equalizer.

The MAX1211 features parallel, CMOS-compatible outputs. The digital output format is pin selectable to be either two's complement or Gray code. A data-valid indicator eliminates external components that are normally required for reliable digital interfacing. A separate power input for the digital outputs accepts a voltage from 1.7V to 3.6V for flexible interfacing with various logic levels. The MAX1211 is available in a 6mm x 6mm x 0.8mm, 40- pin thin QFN package with exposed paddle (EP), and is specified for the extended industrial (-40°C to +85°C) temperature range.

See a parametric table of the complete family of pin-compatible, 12-/14-bit high-speed ADCs.

Applications

  • Cellular, LMDS, Point-to-Point Microwave, MMDS, HFC, WLAN
  • IF and Baseband Communication Receivers: Cellular, Point-to-Point Microwave, HFC, WLAN
  • Low-Power Data Acquisition
  • MMDS, HFC, WLAN
  • Portable Instrumentation
  • Ultrasound and Medical Imaging
Part Models 1
1ku List Price
price unavailable

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Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX1211ETL+
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PCN

Jan 7, 2014

- 1363

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