DAC5672

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Dual-Channel, 14-Bit, 275-MSPS Digital-to-Analog Converter (DAC)

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Product details

Parameters

Resolution (Bits) 14 DAC channels 2 Interface Parallel CMOS Sample/update rate (MSPS) 275 Features Low Power Rating Catalog Interpolation 1x Power consumption (Typ) (mW) 330 SFDR (dB) 84 Architecture Current Source Operating temperature range (C) -40 to 85 Reference: type Int open-in-new Find other High-speed DACs (>10MSPS)

Package | Pins | Size

TQFP (PFB) 48 81 mm² 9 x 9 open-in-new Find other High-speed DACs (>10MSPS)

Features

  • 14-Bit Dual Transmit Digital-to-Analog Converter (DAC)
  • 275 MSPS Update Rate
  • Single-Supply: 3 V to 3.6 V
  • High Spurious-Free Dynamic Range (SFDR): 84 dBc at 5 MHz
  • High Third-Order Two-Tone Intermodulation (IMD3): 79 dBc at 15.1 MHz and 16.1 MHz
  • WCDMA Adjacent Channel Leakage Ratio (ACLR): 78 dB at Baseband
  • WCDMA ACLR: 73 dB at 30.72 MHz
  • Independent or Single Resistor Gain Control
  • Dual or Interleaved Data
  • On-Chip 1.2-V Reference
  • Low Power: 330 mW
  • Power-Down Mode: 9 mW
  • Package: 48-Pin Thin-Quad Flat Pack (TQFP)

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open-in-new Find other High-speed DACs (>10MSPS)

Description

The DAC5672 device is a monolithic, dual-channel, 14-bit, high-speed DAC with on-chip voltage reference.

Operating with update rates of up to 275 MSPS, the DAC5672 offers exceptional dynamic performance, tight-gain, and offset matching characteristics that make the device well-suited in I/Q baseband or direct IF communication applications.

Each DAC has a high-impedance, differential-current output suitable for single-ended or differential analog-output configurations. External resistors allow scaling the full-scale output current for each DAC separately or together, typically between 2 mA and 20 mA. An accurate on-chip voltage reference is temperature-compensated and delivers a stable 1.2-V reference voltage. Optionally, an external reference may be used.

The DAC5672 has two, 14-bit, parallel input ports with separate clocks and data latches. For flexibility, the DAC5672 supports multiplexed data for each DAC on one port when operating in interleaved mode.

The DAC5672 is specifically designed for a differential transformer-coupled output with a 50-Ω doubly-terminated load. For a 20-mA full-scale output current, a 4:1 impedance ratio (resulting in an output power of 4 dBm) and 1:1 impedance ratio transformer (–2 dBm output power) are supported.

The DAC5672 is available in a 48-pin TQFP package. Pin compatibility between family members provides 12-bit (DAC5662) and 14-bit (DAC5672) resolutions. Furthermore, the DAC5672 is pin compatible to the DAC2904 and AD9767 dual DACs. The device is characterized for operation over the industrial temperature range from –40°C to 85°C.

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Technical documentation

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Type Title Date
* Datasheet Dual 14 Bit 275 MSPS DAC datasheet (Rev. D) Aug. 04, 2017
User guides TSW6011EVM Quick Start Guide (Rev. D) Aug. 17, 2016
Application notes Wideband Complementary Current Output DAC Single-Ended Interface (Rev. A) May 08, 2015
Technical articles QAM modulation levels rising: 1024 QAM and beyond Feb. 26, 2014
User guides Direct Down-Conversion System With I/Q Correction (TIDA-00078 CerTIfied Design) Jul. 23, 2013
Application notes High Speed, Digital-to-Analog Converters Basics (Rev. A) Oct. 23, 2012
Application notes Passive Terminations for Current Output DACs Nov. 10, 2008
Application notes CDCE72010 as a Clocking Solution for High-Speed Analog-to-Digital Converters Jun. 08, 2008
Application notes Phase Noise Performance and Jitter Cleaning Ability of CDCE72010 Jun. 02, 2008
User guides DAC5672/62/52 14- and 12-Bit Dual Channel DAC EVM (Rev. B) Mar. 24, 2006

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$149.00
Description

The DAC5672/62/52 EVM provides a platform for evaluating the DAC5672/62/52 digital to analog converters (DAC) family under various signal reference, and supply conditions.

Features
  • Provides analog output via SMA connectors.
  • Ease of use and evaluation.
  • External DAC reference option.
EVALUATION BOARDS Download
document-generic User guide
$149.00
Description

This tool is designed to enable DAC5672 evaluation under various signals, reference and supply conditions.

GUIS FOR EVALUATION MODULES (EVM) Download
SLAC557.ZIP (855 KB)

Design tools & simulation

SIMULATION MODELS Download
SLWC060A.ZIP (6 KB) - IBIS Model
CALCULATION TOOLS Download

Reference designs

REFERENCE DESIGNS Download
Direct Down-Conversion System with I/Q Correction
TIDA-00078 The I/Q Correction block implemented in the Field Programmable Gate Array (FPGA) of the TSW6011EVM helps users to adopt a direct down conversion receiver architecture in a wireless system. The I/Q correction block consists of a single-tap blind algorithm, which corrects the frequency-independent I/Q (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
TQFP (PFB) 48 View options

Ordering & quality

Support & training

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