MAX1123

PRODUCTION

1.8V, 10-Bit, 210Msps Analog-to-Digital Converter with LVDS Outputs for Wideband Applications

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Overview

  • 210Msps Conversion Rate
  • SNR = 57.4dB/56dB at fIN = 100MHz/500MHz
  • SFDR = 74.5dBc/62.6dBc at fIN = 100MHz/500MHz
  • NPR = 53.6dB at fNOTCH = 28.8MHz
  • Single 1.8V Supply
  • 460mW Power Dissipation at 210Msps
  • On-Chip Track-and-Hold and Internal Reference
  • On-Chip Selectable Divide-by-2 Clock Input
  • LVDS Digital Outputs with Data Clock Output
  • Evaluation Kit Available (Order MAX1124EVKIT)

The MAX1123 is a monolithic 10-bit, 210Msps analog-to-digital converter (ADC) optimized for outstanding dynamic performance at high IF frequencies up to 500MHz. The product operates with conversion rates of up to 210Msps while consuming only 460mW.

At 210Msps and an input frequency of 100MHz, the MAX1123 achieves a spurious-free dynamic range (SFDR) of 74.5dBc. Its excellent signal-to-noise ratio (SNR) of 57.4dB at 10MHz remains flat (within 1.5dB) for input tones up to 500MHz. This makes the MAX1123 ideal for wideband applications such as digital predistortion in cellular base-station transceiver systems.

The MAX1123 requires a single 1.8V supply. The analog input is designed for either differential or single-ended operation and can be AC- or DC-coupled. The ADC also features a selectable on-chip divide-by-2 clock circuit, which allows the user to apply clock frequencies as high as 420MHz. This helps to reduce the phase noise of the input clock source. A differential LVDS sampling clock is recommended for best performance. The converter's digital outputs are LVDS compatible, and the data format can be selected to be either two's complement or offset binary.

The MAX1123 is available in a 68-pin QFN with exposed pad (EP) and is specified over the industrial (-40°C to +85°C) temperature range.

For pin-compatible, lower and higher speed versions of the MAX1123, refer to the MAX1122 (170Msps) and the MAX1124 (250Msps) data sheets. For a higher speed, pin-compatible 8-bit version of the MAX1123, refer to the MAX1121 data sheet.

Applications

  • Cable-Head End Systems
  • Communications Test Equipment
  • Digital Predistortion Receivers
  • Radar and Satellite Subsystems Antenna Array Processing
  • Wireless and Wired Broadband Communication

MAX1123
1.8V, 10-Bit, 210Msps Analog-to-Digital Converter with LVDS Outputs for Wideband Applications
MAX1123: Block Diagram
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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Analog to Digital Converters (ADCs) 9
MAX1215N 1.8V, 12-Bit, 250Msps ADC for Broadband Applications
MAX1214N 1.8V, Low-Power, 12-Bit, 210Msps ADC for Broadband Applications
MAX1213N 1.8V, Low-Power, 12-Bit, 170Msps ADC for Broadband Applications
MAX1215 1.8V, 12-Bit, 250Msps ADC for Broadband Applications
MAX1214 1.8V, 12-Bit, 210Msps ADC for Broadband Applications
MAX1213 1.8V, 12-Bit, 170Msps ADC for Broadband Applications
MAX1124 PRODUCTION 1.8V, 10-Bit, 250Msps Analog-to-Digital Converter with LVDS Outputs for Wideband Applications
MAX1122 1.8V, 10-Bit, 170Msps Analog-to-Digital Converter with LVDS Outputs for Wideband Applications
MAX1121 1.8V, 8-Bit, 250Msps Analog-to-Digital Converter with LVDS Outputs for Wideband Applications
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Evaluation Kits

MAX1124EVKIT

Evaluation Kit for the MAX1121, MAX1122, MAX1123, and MAX1124

Features and Benefits

  • Up to 250Msps Sampling Rate with the MAX1124
  • Low Voltage and Power Operation
  • Fully Differential Signal Input Configuration
  • On-Board Differential Output Drivers
  • Optional On-Board Secondary Transformer
  • Fully Assembled and Tested
  • Also Evaluates the MAX1121 (8-bit), MAX1122 (10-bit), and MAX1123 (10-bit)

Product Details

The MAX1124 evaluation kit (EV kit) is a fully assembled and tested circuit board that contains all the components for evaluating the MAX1121 (8-bit, 250Msps), MAX1122 (10-bit, 170Msps), MAX1123 (10-bit, 210Msps), and MAX1124 (10-bit, 250Msps) analog-to-digital converters (ADCs). The MAX1121-MAX1124 accept differential analog input signals; however, the EV kit generates these signals from a user-provided single-ended signal source. The digital output produced by the ADCs can be easily captured with a user-provided high-speed logic analyzer or data-acquisition system. The EV kit operates from 1.8V and 3.3V power supplies. It includes circuitry that generates a differential clock signal from a user-provided AC signal. The EV kit comes with the MAX1124 installed. Contact the factory for free samples of the pin-compatible MAX1121/MAX1122/MAX1123 to evaluate these parts.

Applications

  • Cable-Head End Systems
  • Communications Test Equipment
  • Digital Predistortion Receivers
  • Radar and Satellite Subsystems Antenna Array Processing
  • Wireless and Wired Broadband Communication

MAX1124EVKIT
Evaluation Kit for the MAX1121, MAX1122, MAX1123, and MAX1124

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