3PD9708E

8-BIT CMOS DIGITAL-TO-ANALOG CONVERTER

Datasheet

3PD9708E.pdf

产品特性

  • 125 MSPS Update Rate

  • 8-Bit Resolution

  • Linearity: 1/4 LSB DNL

  • Linearity: 1/4 LSB INL

  • Differential Current Outputs

  • SINAD @ 5 MHz Output: 50 dB

  • Power Dissipation: 175 mW @ 5 V to 45 mW @ 3 V

  • Power-Down Mode: 20 mW @ 5 V

  • On-Chip 1.10 V Reference

  • Single +5 V or +3 V Supply Operation

  • Packages: 28-Lead TSSOP

  • Edge-Triggered Latches

  • Fast Settling: 35 ns Full-Scale Settling to 0.1%

典型应用

  • Communications

  • Signal Reconstruction

  • Instrumentation

  • Video re-construction

产品概述

The 3PD9708(E) offers exceptional ac and dc performance while supporting update rates up to 125MSPS. The 3PD9708(E)’s flexible single-supply operating range of +2.7 V to +5.5 V and low power dissipation are well suited for portable and low power applications. Its power dissipation can be further reduced to 45 mW, without a significant degradation in performance, by lowering the full-scale current output. In addition, a power-down mode reduces the standby power dissipation to approximately 20 mW.


The 3PD9708(E) is manufactured on an advanced CMOS process. A segmented current source architecture is combined with a proprietary switching technique to reduce spurious components and enhance dynamic performance. Edge-triggered input latches and a temperature compensated bandgap reference have been integrated to provide a complete monolithic DAC solution.Flexible supply options support +3 V and +5 V CMOS logic families.


The 3PD9708(E) is a current-output DAC with a nominal full-scale output current of 20 mA and > 100 kΏ output impedance.Differential current outputs are provided to support single-ended or differential applications. The current outputs may be directly tied to an output resistor to provide two complementary, single-ended voltage outputs. The output voltage compliance range is 1.25 V.The 3PD9708(E) contains a 1.1 V on-chip reference and reference control amplifier, which allows the full-scale output current to be simply set by a single resistor. 


The 3PD9708(E) can be driven by a variety of external reference voltages.The 3PD9708(E)’s full-scale current can be adjusted over a 2 mA to 20 mA range without any degradation in dynamic performance. Thus, the 3PD9708(E) may operate at reduced power levels or be adjusted over a 20dB range to provide additional gain ranging capabilities. The 3PD9708(E) is available in 28-lead TSSOP package.It is specified for operation over the industrial temperature range.

技术文档

标题 类型 时间 媒体
【Technical Document】DAC详解 DAC 2017-12-29 3PEAK

工具与软件

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