MAX1127

PRODUCTION

Quad, 12-Bit, 65Msps, 1.8V ADC with Serial LVDS Outputs

Data Sheet (Rev. 2) Product Selection Table
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Overview

  • Four ADC Channels with Serial LVDS/SLVS Outputs
  • Excellent Dynamic Performance
    • 69.6dB SNR at fIN = 19.3MHz
    • 92dBc SFDR at fIN = 19.3MHz
    • -87dB Channel Isolation
  • Ultra-Low Power
    • 135mW per Channel (Normal Operation)
    • 1.2mW Total (Shutdown Mode)
  • Accepts 20% to 80% Clock Duty Cycle
  • Self-Aligning Data-Clock to Data-Output Interface
  • Fully Differential Analog Inputs
  • Wide ±1.4VP-P Differential Input Voltage Range
  • Internal/External Reference Option
  • Test Mode for Digital Signal Integrity
  • LVDS Outputs Support Up to 30in FR-4 Backplane Connections
  • Small, 68-Pin QFN with Exposed Paddle
  • Evaluation Kit Available (MAX1127EVKIT)

The MAX1127 quad, 12-bit analog-to-digital converter (ADC) features fully differential inputs, a pipelined architecture, and digital error correction. This ADC is optimized for low-power, high-dynamic performance for medical imaging, communications, and instrumentation applications. The MAX1127 operates from a 1.7V to 1.9V single supply and consumes only 563mW while delivering a 69.6dB signal-to-noise ratio (SNR) at a 19.3MHz input frequency. In addition to low operating power, the MAX1127 features a 675µA power-down mode for idle periods.

An internal 1.24V precision bandgap reference sets the ADC's full-scale range. A flexible reference structure allows the use of an external reference for applications requiring increased accuracy or a different input voltage range.

A single-ended clock controls the conversion process. An internal duty-cycle equalizer allows for wide variations in input-clock duty cycle. An on-chip phaselocked loop (PLL) generates the high-speed serial low-voltage differential signaling (LVDS) clock.

The MAX1127 provides serial LVDS outputs for data, clock, and frame alignment signals. The output data is presented in two's complement or binary format.

Refer to the MAX1126 data sheet for a pin-compatible 40Msps version of the MAX1127.

The MAX1127 is available in a small, 10mm x 10mm x 0.9mm, 68-pin QFN package with exposed paddle and is specified for the extended industrial (-40°C to +85°C) temperature range.

Applications

  • Instrumentation
  • Multichannel Communication Systems
  • Positron Emission Tomography (PET) Imaging
  • Ultrasound and Medical Imaging
MAX1127
Quad, 12-Bit, 65Msps, 1.8V ADC with Serial LVDS Outputs
MAX1127: Functional Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Analog to Digital Converters (ADCs) 1
MAX1126
PRODUCTION Quad, 12-Bit, 40Msps, 1.8V ADC with Serial LVDS Outputs
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Tools & Simulations

IBIS Model 2

Evaluation Kits

MAX1127EVKIT

Evaluation Kit for the MAX1126 and MAX1127

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Features and Benefits

  • Sample Rate Up to 65Msps (MAX1127)
  • Low-Voltage and Power Operation
  • Optional On-Board Clock-Shaping Circuitry
  • Serial SLVS/LVDS Outputs
  • On-Board LVPECL Differential Output Drivers
  • On-Board Deserializer
  • LVDS Test Mode
  • Assembled and Tested
  • Also Evaluates the MAX1126

Product Details

The MAX1127 evaluation kit (EV kit) is a fully assembled and tested circuit board that contains all the components necessary to evaluate the performance of the MAX1126/MAX1127 quad 12-bit analog-to-digital converter (ADC). The MAX1126/MAX1127 accept differential analog input signals. The EV kit generates these signals from user-provided single-ended input sources. The digital outputs produced by the ADC can be easily sampled with a user-provided, high-speed logic analyzer or data-acquisition system. The EV kit also features an on-board deserializer to ease integration with standard logic analysis systems. The EV kit operates from 1.8V and 3.3V power supplies (1.5V for the optional FPGA) and includes circuitry that generates a clock signal from an AC signal provided by the user. The EV kit comes with the MAX1127 installed. Order free samples of the pin-compatible MAX1126 to evaluate this part.

Applications

  • Instrumentation
  • Multichannel Communication Systems
  • Positron Emission Tomography (PET) Imaging
  • Ultrasound and Medical Imaging
MAX1127EVKIT
Evaluation Kit for the MAX1126 and MAX1127

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