DAC900

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10-Bit 165-MSPS Digital-to-Analog Converter (DAC)

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Product details

Parameters

Resolution (Bits) 10 DAC channels 1 Interface Parallel CMOS Sample/update rate (MSPS) 200 Features Low Power Rating Catalog Interpolation 1x Power consumption (Typ) (mW) 170 SFDR (dB) 76 Architecture Current Source Operating temperature range (C) -40 to 85 Reference: type Ext, Int open-in-new Find other High-speed DACs (>10MSPS)

Package | Pins | Size

SOIC (DW) 28 184 mm² 17.9 x 10.3 TSSOP (PW) 28 62 mm² 9.7 x 6.4 open-in-new Find other High-speed DACs (>10MSPS)

Features

  • SINGLE +5V OR +3V OPERATION
  • HIGH SFDR: 5MHz Output at 100MSPS: 68dBc
  • LOW GLITCH: 3pV-s
  • LOW POWER: 170mW at +5V
  • INTERNAL REFERENCE:
         Optional Ext. Reference
         Adjustable Full-Scale Range
         Multiplying Option
  • APPLICATIONS
    • COMMUNICATION TRANSMIT CHANNELS
           WLL, Cellular Base Station
           Digital Microwave Links
           Cable Modems
    • WAVEFORM GENERATION
           Direct Digital Synthesis (DDS)
           Arbitrary Waveform Generation (ARB)
    • MEDICAL/ULTRASOUND
    • HIGH-SPEED INSTRUMENTATION AND CONTROL
    • VIDEO, DIGITAL TV

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Description

The DAC900 is a high-speed, Digital-to-Analog Converter (DAC) offering a 10-bit resolution option within the SpeedPlus family of high-performance converters. Featuring pin compatibility among family members, the DAC908, DAC902, and DAC904 provide a component selection option to an 8-, 12-, and 14-bit resolution, respectively. All models within this family of DACs support update rates in excess of 165MSPS with excellent dynamic performance,and are especially suited to fulfill the demands of a variety of applications.

The advanced segmentation architecture of the DAC900 is optimized to provide a high Spurious-Free Dynamic Range (SFDR) for single-tone, as well as for multi-tone signals—essential when used for the transmit signal path of communication systems.

The DAC900 has a high impedance (200k) current output with a nominal range of 20mA and an output compliance of up to 1.25V. The differential outputs allow for both a differential or single-ended analog signal interface. The close matching of the current outputs ensures superior dynamic performance in the differential configuration, which can be implemented with a transformer.

Utilizing a small geometry CMOS process, the monolithic DAC900 can be operated on a wide, single-supply range of +2.7V to +5.5V. Its low power consumption allows for use in portable and battery-operated systems. Further optimization can be realized by lowering the output current with the adjustable full-scale option.

For noncontinuous operation of the DAC900, a power-down mode results in only 45mW of standby power.

The DAC900 comes with an integrated 1.24V bandgap reference and edge-triggered input latches, offering a complete converter solution. Both +3V and +5V CMOS logic families can be interfaced to the DAC900.

The reference structure of the DAC900 allows for additional flexibility by utilizing the on-chip reference, or applying an external reference. The full-scale output current can be adjusted over a span of 2mA to 20mA, with one external resistor, while maintaining the specified dynamic performance.

The DAC900 is available in SO-28 and TSSOP-28 packages.

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Technical documentation

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Type Title Date
* Datasheet DAC900 10-Bit 165-MSPS Digital-to-Analog Converter datasheet (Rev. B) May 29, 2002
User guides DAC90x Evaluation Module User's Guide Aug. 08, 2017
Application notes Wideband Complementary Current Output DAC Single-Ended Interface (Rev. A) May 08, 2015
Application notes High Speed, Digital-to-Analog Converters Basics (Rev. A) Oct. 23, 2012
User guides DEM-DAC90x: Evaluation Fixture for the DAC900, DAC902, DAC904, DAC908 Sep. 27, 2000

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$199.00
Description
The DAC900 evaluation module (EVM) is designed to evaluate the 10-bit, high-speed,
CMOS-interface DAC900. The EVM provides simple and minimal external components to minimize system cost and power consumption.
Features
  • Supports multiple output configurations
  • Directly compatible with TSW1400EVM
  • Buffered inputs to the digital-to-analog converter (DAC)
  • Selectable internal or external Vref

Design tools & simulation

SIMULATION MODELS Download
SLWC072.ZIP (6 KB) - IBIS Model
SIMULATION MODELS Download
SLWC073.ZIP (5 KB) - IBIS Model
CALCULATION TOOLS Download
GERBER FILES Download
SBAC225.ZIP (1677 KB)

CAD/CAE symbols

Package Pins Download
SOIC (DW) 28 View options
TSSOP (PW) 28 View options

Ordering & quality

Support & training

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