MAX1190

PRODUCTION

Dual 10-Bit, 120Msps, 3.3V, Low-Power ADC with Internal Reference and Parallel Outputs

Dual 10-Bit ADC Delivers Excellent Dynamic Performance at Low Power

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Overview

  • Single 3.3V Operation
  • Excellent Dynamic Performance
    • 57dB SINAD at fIN = 60MHz
    • 64dBc SFDR at fIN = 60MHz
  • -71dBc Interchannel Crosstalk at fIN = 60MHz
  • Low Power
    • 492mW (Normal Operation)
    • 10mW (Sleep Mode)
    • 3.3µW (Shutdown Mode)
  • 0.08dB Gain and 0.8° 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, Lower-Speed, 10-Bit and 8-Bit Versions Available

The MAX1190 is a 3.3V, dual 10-bit analog-to-digital converter (ADC) featuring fully differential wideband track-and-hold (T/H) inputs, driving two ADCs. The MAX1190 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 3.1V to 3.6V supply, consuming only 492mW while delivering a typical signal-to-noise and distortion (SINAD) of 57dB at an input frequency of 60MHz and a sampling rate of 120Msps. The T/H driven input stages incorporate 400MHz (-3dB) input amplifiers. The converters can also be operated with single-ended inputs. In addition to low operating power, the MAX1190 features a 3mA sleep mode, as well as a 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 MAX1190 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 MAX1190 is available in a 7mm x 7mm, 48-pin TQFP-EP package, and is specified for the extended industrial (-40°C to +85°C) temperature range.

Pin-compatible lower speed versions of the MAX1190 are also available. Refer to the MAX1180–MAX1184 data sheets for 105Msps/80Msps/65Msps/40Msps. In addition to these speed grades, this family includes two multiplexed output versions (MAX1185/MAX1186 for 20Msps/40Msps), for which digital data is presented time-interleaved and on a single, parallel 10-bit output port.

For lower speed, pin-compatible, 8-bit versions of the MAX1190, refer to the MAX1195–MAX1198 data sheets.

Applications

  • Baseband I/Q Sampling
  • Battery-Powered Instrumentation
  • Multichannel IF Sampling
  • Set-Top Boxes
  • Ultrasound and Medical Imaging
  • VSAT Terminals
  • WLAN, WWAN, WLL, MMDS Modems
MAX1190
Dual 10-Bit, 120Msps, 3.3V, Low-Power ADC with Internal Reference and Parallel Outputs
MAX1190: Functional Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

Technical Articles 6

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Analog to Digital Converters (ADCs) 7
MAX1180
PRODUCTION Dual 10-Bit, 105Msps, 3.3V, Low-Power ADC with Internal Reference and Parallel Outputs
MAX1181
PRODUCTION Dual 10-Bit, 80Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs
MAX1182
PRODUCTION Dual 10-Bit, 65Msps, +3V, Low-Power ADC with Internal Reference and Parallel Outputs
MAX1183
PRODUCTION Dual 10-Bit, 40Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs
MAX1184
PRODUCTION Dual 10-Bit, 20Msps, +3V, Low-Power ADC with Internal Reference and Parallel Outputs
MAX1185
PRODUCTION Dual 10-Bit, 20Msps, +3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs
MAX1186
PRODUCTION Dual 10-Bit, 40Msps, 3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs
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Evaluation Kits

MAX1181EVKIT

Evaluation Kit for the MAX1180, MAX1181, MAX1182, MAX1183, MAX1184, MAX1185, MAX1186, and MAX1190

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Features and Benefits

  • Up to 80Msps Sampling Rate (MAX1181)
  • Low Voltage and Power Operation
  • Single-Ended or Fully Differential Signal Input Configuration
  • Clock-Shaping Circuit
  • Fully Assembled and Tested
  • Supports Both Nonmultiplexed (MAX1180-MAX1184/MAX1190) and Multiplexed (MAX1185/MAX1186) Output Operation

Product Details

The MAX1181 Evaluation kit (EV Kit) is a fully assembled and tested circuit board that contains all the components necessary to evaluate the performance of the nonmultiplexed MAX1180-MAX1184 and MAX1190 or multiplexed MAX1185 and MAX1186, dual 10-bit analog-to-digital converters (ADC). The MAX1180-MAX1186 and MAX1190 accept differential or single-ended analog inputs and the EV kit allows for evaluation of each ADC with both types of signals from one single-ended analog signal. The digital output produced by the ADC can easily be sampled with a user-provided high-speed logic analyzer or data-acquisition system. The EV kit operates from 3.0V analog and 2.0V digital power supplies. It includes circuitry that generates a clock signal from an AC signal provided by the user. The EV kit comes with the MAX1181 installed. Order free samples of the pin-compatible MAX1180, MAX1182, MAX1183, MAX1184, MAX1185, MAX1186, or MAX1190 to evaluate these parts.

Applications

  • High-Resolution Imaging
  • I/Q Channel Digitization
  • Instrumentation
  • Multichannel IF Undersampling
  • Video Application
MAX1181EVKIT
Evaluation Kit for the MAX1180, MAX1181, MAX1182, MAX1183, MAX1184, MAX1185, MAX1186, and MAX1190

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