Overview

Features and Benefits

  • Single 2.7V to 3.6V Operation
  • Excellent Dynamic Performance
    • 48.5dB/46.7dB SINAD at fIN = 20MHz/200MHz
    • 68.7dBc/55.7dBc SFDR at fIN = 20MHz/200MHz
  • -72dB Interchannel Crosstalk at fIN = 20MHz
  • Low Power
    • 87mW (Normal Operation)
    • 9mW (Sleep Mode)
    • 0.3µW (Shutdown Mode)
  • 0.05dB Gain and ±0.05° Phase Matching
  • Wide ±1VP-P Differential Analog Input Voltage Range
  • 400MHz -3dB Input Bandwidth
  • On-Chip 2.048V Precision Bandgap Reference
  • User-Selectable Output Format—Two's Complement or Offset Binary
  • Pin-Compatible 8-Bit and 10-Bit Upgrades Available

Product Details

The MAX1195 is a 3V, dual, 8-bit analog-to-digital converter (ADC) featuring fully differential wideband track-and-hold (T/H) inputs, driving two ADCs. The MAX1195 is optimized for low-power, small size, and high-dynamic performance for applications in imaging, instrumentation and digital communications. This ADC operates from a single 2.7V to 3.6V supply, consuming only 87mW while delivering a typical signal-to-noise and distortion (SINAD) of 48.5dB at an input frequency of 20MHz and a sampling rate of 40Msps. The T/H-driven input stages incorporate 400MHz (-3dB) input amplifiers. The converters may also be operated with single-ended inputs. In addition to low operating power, the MAX1195 features a 3mA sleep mode as well as a 0.1µA power-down mode to conserve power during idle periods.

An internal 2.048V precision bandgap reference sets the full-scale range of the ADC. A flexible reference structure allows the use of this internal or an externally applied reference, if desired, for applications requiring increased accuracy or a different input voltage range.

The MAX1195 features parallel, CMOS-compatible three-state outputs. The digital output format can be set to two's complement or straight offset binary through a single control pin. The device provides for a separate output power supply of 1.7V to 3.6V for flexible interfacing with various logic families. The MAX1195 is available in a 7mm x 7mm, 48-pin TQFP package, 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, 8-bit high-speed ADCs.

For a 10-bit, pin-compatible upgrade, refer to the MAX1183 data sheet. With the N.C. pins of the MAX1195 internally pulled down to ground, this ADC becomes a drop-in replacement for the MAX1183.

Applications

  • Baseband I/Q Sampling
  • Battery-Powered Applications
  • Multichannel IF Sampling
  • Set-Top Boxes
  • Ultrasound and Medical Imaging
  • VSAT Terminals
  • WLAN, WWAN, WLL, MMDS Modems

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.

Evaluation Kits (2)

Product Recommendations

MAX1195 Companion Parts

Recommended Related Parts

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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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.