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DAC38RF89EVM

DAC38RF89 Dual-Channel, 14-Bit, 8.4GSPS, 1x-24x Interpolating, 5 & 7.5 GHz PLL DAC Evaluation Module

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DAC38RF89EVM

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Overview

The DAC38RF89 evaluation module (EVM) is the circuit board for evaluating DAC38RF89 digital-to-analog converters (DACs). The DAC38RFEVM can be used to evaluate the performance of the DAC up to 9-GSPS sampling rate and is designed to work with the TSW14J56EVM (Rev B and up). The available FMC connector also makes it possible to interface the DAC to an FPGA development board 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 DAC38RF89 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 integrated impedance transformer (DAC38RF89) for balanced-to-unbalanced conversion
  • Easy-to-use software interface and data pattern-generation tools

  • DAC38RF89EVM circuit board
  • Power cable
  • USB cable
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
DAC38RF89 — Dual-Channel, 14-Bit, 8.4-GSPS, 1x-24x Interpolating, 5 & 7.5 GHz PLL Digital-to-Analog Converter

 

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

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Evaluation board

DAC38RF89EVM – DAC38RF89 Dual-Channel, 14-Bit, 8.4GSPS, 1x-24x Interpolating, 5 & 7.5 GHz PLL DAC Evaluation Module

GUI for evaluation module (EVM)

DAC38RF8x EVM GUI (Rev. D) – SLAC722D.ZIP (216778KB)

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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
Datasheet DAC38RF8x Dual-Channel, Differential-Output, 14-Bit, 9-GSPS, RF-Sampling DAC With JESD204B Interface, On-Chip PLL and Wide-Band Interpolation datasheet (Rev. D) Apr. 14, 2020
More literature DAC38RF89EVM EU Declaration of Conformity (DoC) Jan. 02, 2019

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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