MAX5858A

PRODUCTION

Dual, 10-Bit, 300Msps, DAC with 4x/2x/1x Interpolation Filters and PLL

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Overview

  • 10-Bit Resolution, Dual DAC
  • 300Msps Update Rate
  • Integrated 4x/2x/1x Interpolating Filters
  • Internal PLL Multiplier
  • 2.7V to 3.3V Single Supply
  • Full Output Swing and Dynamic Performance at 2.7V Supply
  • Superior Dynamic Performance
    • 73dBc SFDR at fOUT = 20MHz
    • UMTS ACLR = 63dB at fOUT = 30.7MHz
  • Programmable Channel Gain Matching
  • Integrated 1.24V Low-Noise Bandgap Reference
  • Single-Resistor Gain Control
  • Interleave Data Mode
  • Differential Clock Input Modes
  • EV Kit Available—MAX5858AEVKit

The MAX5858A dual, 10-bit, 300Msps digital-to-analog converter (DAC) provides superior dynamic performance in wideband communication systems. The MAX5858A integrates two 10-bit DAC cores, 4x/2x/1x programmable digital interpolation filters, phase-lock loop (PLL) clock multiplier, and a 1.24V reference. The MAX5858A supports single-ended and differential modes of operation. The MAX5858A dynamic performance is maintained over the entire power-supply operating range of 2.7V to 3.3V. The analog outputs support a compliance voltage of -1.0V to +1.25V.

The 4x/2x/1x programmable interpolation filters feature excellent passband distortion and noise performance. Interpolating filters minimize the design complexity of analog reconstruction filters while lowering the data bus and the clock speeds of the digital interface. The PLL multiplier generates all internal, synchronized high-speed clock signals for interpolating filter operation and DAC core conversion. The internal PLL helps minimize system complexity and lower cost. To reduce the I/O pin count, the DAC can also operate in interleave data mode. This allows the MAX5858A to be updated on a single 10-bit bus.

The MAX5858A features digital control of channel gain matching to within ±0.4dB in sixteen 0.05dB steps. Channel matching improves sideband suppression in analog quadrature modulation applications. The on-chip 1.24V bandgap reference includes a control amplifier that allows external full-scale adjustments of both channels through a single resistor. The internal reference can be disabled and an external reference can be applied for high-accuracy applications.

The MAX5858A features full-scale current outputs of 2mA to 20mA and operates from a 2.7V to 3.3V single supply. The DAC supports three modes of power-control operation: normal, low-power standby, and complete power-down. In power-down mode, the operating current is reduced to 1µA.

The MAX5858A is packaged in a 48-pin TQFP with exposed paddle (EP) for enhanced thermal dissipation and is specified for the extended (-40°C to +85°C) operating temperature range.

Applications

  • Communications
  • Direct Digital Synthesis (DDS)
  • Instrumentation/ATE
  • Point-to-Point Microwave Links
  • SatCom, LMDS, MMDS, HFC, DSL, WLAN,
  • Wireless Base Stations

MAX5858A
Dual, 10-Bit, 300Msps, DAC with 4x/2x/1x Interpolation Filters and PLL
MAX5858A: Typical Application Circuit
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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital to Analog Converters (DACs) 1
MAX5858 PRODUCTION Dual, 10-Bit, 300Msps, Current-Output DAC with 4x/2x/1x Interpolation Filters
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Evaluation Kits

MAX5858AEVKIT

Evaluation Kit for the MAX5858A, MAX5858, and MAX5856A

Features and Benefits

  • Allows Fast Evaluation and Performance Testing
  • 3V and 2V CMOS Logic-Level-Compatible Inputs
  • Also Evaluates MAX5858/MAX5856A (with IC Replacement)
  • Configurable, Integrated 4x or 2x Interpolation Filters
  • Interleaved Data Mode
  • On-Board Differential to Single-Ended Output Conversion Circuitry
  • SMA Coaxial Connectors for Clock Inputs and DAC Outputs
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX5858A evaluation kit (EV kit) is a fully assembled and tested circuit board that contains all the components necessary for evaluating the MAX5858A. The MAX5858A is a dual,10-bit, 300Msps digital-to-analog converter (DAC) with 4x/2x/1x-configurable interpolation filters. The MAX5858A also features a phase-locked-loop (PLL) clock multiplier that generates and distributes all internally synchronized high-speed clock signals required by the input data latches, interpolation filters, and DAC cores. The EV kit requires CMOS-compatible data and clock inputs, and three separate 3V power supplies. The EV kit can also evaluate the MAX5858 (no PLL) and the 8-bit MAX5856A (with PLL).

Applications

  • Communications
  • Direct Digital Synthesis (DDS)
  • Instrumentation/ATE
  • Point-to-Point Microwave Links
  • SatCom, LMDS, MMDS, HFC, DSL, WLAN,
  • Wireless Base Stations

MAX5858AEVKIT
Evaluation Kit for the MAX5858A, MAX5858, and MAX5856A

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