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DAC38RF82EVM

DAC38RF82 Dual-Channel, 14-Bit, 9-GSPS, 1x-24x Interpolating, 6 & 9 GHz PLL DAC Evaluation Module

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DAC38RF82EVM

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Overview

The DAC38RF82EVM is the circuit board for evaluating DAC38RF82/83/85/93 digital to analog converters (DACs). The EVM can be used to evaluate the performance of the DAC up to 9GSPS sampling rate and it is designed to work with the TSW14J56 EVM. The available FMC connector also makes it possible to interface the DAC to FPGA development board from third party vendors. Also available is an easy to use software interface to control the DAC and on-board LMK04828 clock chip via SPI.

Features
  • Allows evaluation of DAC38RF82/83/85/93 up to 9GSPS sampling rate
  • Supports up to 12.5Gbps serdes signaling rate across FMC
  • Integrated low phase noise On–chip PLL with 2 VCOs to simplify system clock generation. Also supports external clock mode.
  • AC coupled, differential output with on-board 2:1 impedance transformer for balanced to unbalanced conversion
  • Easy to use software interface and data pattern generation tools

  • EVM circuit board
  • Power cable
  • USB cable

High-speed DACs (>10MSPS)
DAC38RF85 — 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

 

Transmitters
DAC38RF82 — Dual-Channel, 14-Bit, 9-GSPS, 1x-24x Interpolating, 6 & 9 GHz PLL Digital-to-Analog Converter (DAC) DAC38RF83 — Dual-Channel, 14-Bit, 9-GSPS, 6x-24x Interpolating, 6 & 9 GHz PLL Digital-to-Analog Converter (DAC) DAC38RF93 — 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

DAC38RF82EVM – DAC38RF82 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 DAC38RF8x KCU105 Firmware (Rev. A) Sep. 07, 2020
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 Arria10 + DAC38RF82 Design Firmware (Rev. A) Jan. 17, 2019
More literature DAC38RF82EVM 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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