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


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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.

  • 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 & low-dropout (LDO) regulators
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


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

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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
Data sheet 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
Certificate DAC38RF82EVM EU Declaration of Conformity (DoC) Jan. 02, 2019

Related design resources

Hardware development

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

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