DAC38RF80EVM

DAC38RF80 Dual-Channel, 14-Bit, 9-GSPS, 6x-24x Interpolating, 6 & 9 GHz PLL DAC Evaluation Module

DAC38RF80EVM

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Overview

The DAC38RF80EVM is the circuit board for evaluating DAC38RF80/84/90 digital-to-analog converters (DACs). The EVM can be used to evaluate the performance of the DAC up to 9-GSPS sampling rate. It is designed to work with the FPGA-based pattern generator card TSW14J56EVM (Rev B and up). The available FMC connector on the EVM also makes it possible to interface the DAC to FPGA development boards from third-party vendors. Also available is an easy to use software interface to control the DAC and onboard LMK04828 clock chip via SPI.

Features
  • Allows evaluation of DAC38RF80/84/90 up to 9-GSPS sampling rate
  • Supports up to 12.5-Gbps SerDes signaling rate across FMC
  • Two on-chip PLLs with superior phase noise to simplify system clock generation; also supports external clock mode
  • AC-coupled output with 2:1 impedance transformer for balanced-to-unbalanced conversion
  • Easy-to-use software interface and data pattern generation tools
  • Power Adapter

  • USB Cable

High-speed DACs (>10MSPS)
DAC38RF84 14-Bit, 9-GSPS, 6x-24x Interpolating, 6 & 9 GHz PLL Digital-to-Analog Converter (DAC)

 

Buck converters (integrated switch)
TPS62085 3-A Step-Down Converter with DCS-Control and Hiccup Short Circuit Protection in 2x2 HotRod Package TPS62095 4A Synchronous Step Down Converter with DCS Control

 

Charge pumps (inductorless)
LM27761 Low-Noise Regulated Inverter with Integrated LDO

 

Clock jitter cleaners & synchronizers
LMK04828 Ultra low-noise JESD204B compliant clock jitter cleaner with integrated 2370 to 2630-MHz VCO0.

 

Linear regulators (LDO)
LP5907 250-mA, low-noise, high-PSRR, ultra-low-dropout voltage regulator with low IQ and enable TPS74401 3-A, low-VIN (0.8-V), low-noise, high-PSRR, adjustable ultra-low-dropout voltage regulator TPS7A8101 1-A, high-PSRR, adjustable ultra-low-dropout voltage regulator with enable TPS7A85 4-A, low-VIN, low-noise, ultra-low-dropout voltage regulator with power good with high-accuracy TPS7A85A 4-A, low-VIN (1.1-V), low-noise, high-accuracy, ultra-low-dropout voltage regulator with power good

 

Transmitters
DAC38RF80 Dual-Channel, 14-Bit, 9-GSPS, 6x-24x Interpolating, 6 & 9 GHz PLL Digital-to-Analog Converter (DAC) DAC38RF90 Dual-Channel, 14-Bit, 9-GSPS, 12x-24x Interpolating, 6 & 9 GHz PLL Digital-to-Analog Converter (DAC)

 

eFuses & hot swap controllers
TPS2400 5.5-V over voltage protection controller with 100-V input transient protection

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Evaluation board

DAC38RF80EVM – DAC38RF80 Evaluation Module

TI's Standard Terms and Conditions for Evaluation Items apply.

Design files

DAC38RF8xEVM Design Files SLAC734.ZIP (10565 KB)

Technical documentation

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Type Title Date
* User guide DAC38RF8xEVM User's Guide (Rev. A) Mar. 24, 2017
More literature DAC38RF80EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
Application note RF Sampling DAC with 800 MHz of IBW LTE Oct. 28, 2016

Related design resources

Hardware development

EVALUATION BOARD
TSW14J56EVM Data capture/pattern generator: data converter EVM with 8 JESD204B lanes from 0.6-12.5Gbps

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