Overview

Features and Benefits

  • Very-Low-Power Operation (43mW/Channel at 65Msps)
  • 1.8V or 2.5V to 3.3V Analog Supply
  • Excellent Dynamic Performance
    • 60.1dBFS SNR at 70MHz
    • 82dBc SFDR at 70MHz
  • User-Programmable Adjustments and Feature Selection through an SPI™ Interface
  • Selectable Data Bus (Dual CMOS or Single Multiplexed CMOS)
  • DCLK Output and Programmable Data Output Timing Simplifies High-Speed Digital Interface
  • Very Wide Input Common-Mode Voltage Range (0.4V to 1.4V)
  • Very High Analog Input Bandwidth (> 850MHz)
  • Single-Ended or Differential Analog Inputs
  • Single-Ended or Differential Clock Input
  • Divide-by-One (DIV1), Divide-by-Two (DIV2), and Divide-by-Four (DIV4) Clock Modes
  • Two's Complement, Gray Code, and Offset Binary Output Data Format
  • Out-of-Range Indicator (DOR)
  • CMOS Output Internal Termination Options (Programmable)
  • Reversible Bit Order (Programmable)
  • Data Output Test Patterns
  • Small 7mm x 7mm 48-Pin Thin QFN Package with Exposed Pad

Product Details

The MAX19515 dual-channel, analog-to-digital converter (ADC) provides 10-bit resolution and a maximum sample rate of 65Msps.

The MAX19515 analog input accepts a wide 0.4V to 1.4V input common-mode voltage range, allowing DC-coupled inputs for a wide range of RF, IF, and baseband front-end components. The MAX19515 provides excellent dynamic performance from baseband to high input frequencies beyond 400MHz, making the device ideal for zero-intermediate frequency (ZIF) and highintermediate frequency (IF) sampling applications. The typical signal-to-noise ratio (SNR) performance is 60.1dBFS and typical spurious-free dynamic range (SFDR) is 82dBc at fIN = 70MHz and fCLK = 65MHz.

The MAX19515 operates from a 1.8V supply. Additionally, an integrated, self-sensing voltage regulator allows operation from a 2.5V to 3.3V supply (AVDD). The digital output drivers operate on an independent supply voltage (OVDD) over the 1.8V to 3.5V range. The analog power consumption is only 43mW per channel at VAVDD = 1.8V. In addition to low operating power, the MAX19515 consumes only 1mW in power-down mode and 15mW in standby mode.

Various adjustments and feature selections are available through programmable registers that are accessed through the 3-wire serial-port interface. Alternatively, the serial-port interface can be disabled, with the three pins available to select output mode, data format, and clock-divider mode. Data outputs are available through a dual parallel CMOS-compatible output data bus that can also be configured as a single multiplexed parallel CMOS bus.

The MAX19515 is available in a small 7mm x 7mm 48-pin thin QFN package and is specified over the -40°C to +85°C extended temperature range.

Refer to the MAX19505, MAX19506, and MAX19507 data sheets for pin- and feature-compatible 8-bit, 65Msps, 100Msps, and 130Msps versions, respectively. Refer to the MAX19516 and MAX19517 data sheets for pin- and feature-compatible 10-bit, 100Msps and 130Msps versions, respectively.

Applications

  • Digital Set-Top Boxes
  • IF and Baseband Communications, Including Cellular Base Stations and Point-to-Point Microwave Receivers
  • Portable Instrumentation and Low-Power Data Acquisition
  • Ultrasound and Medical Imaging

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.