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DAC2932PFBT Datasheet

  • DAC2932PFBT

  • DUAL 12-BIT 40MSPS DIGITAL TO ANALOG CONVERTER

  • 24頁

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DAC2932
SBAS279C 鈭?AUGUST 2003 鈭?REVISED OCTOBER 2004
Dual, 12 Bit, 40MSPS
Digital to Analog Converter
FEATURES
D
Dual, 12-Bit, 40MSPS Current Output DAC
Transmit Control
DESCRIPTION
The DAC2932 is a dual 12-bit, current-output
digital-to-analog converter (DAC) designed to combine the
features of high dynamic range and very low power
consumption. The DAC2932 converter supports update
rates of up to 40MSPS. In addition, the DAC2932 features
four 12-bit voltage output DACs, which can be used to
perform system control functions.
The advanced segmentation architecture of the DAC2932
is optimized to provide a high spurious-free dynamic range
(SFDR).
The DAC2932 has a high impedance (> 200k鈩? differential
current output with a nominal range of 2mA and a
compliance voltage of up to 0.8V. The differential outputs
allow for either 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. Using a small geometry CMOS process, the
monolithic DAC2932 is designed to operate within a
single-supply range of 2.7V to 3.3V. Low power
consumption makes it ideal for portable and
battery-operated systems. Further optimization by
lowering the output current can be realized with the
adjustable full-scale option. The full-scale output current
can be adjusted over a span of 0.5mA to 2mA.
For noncontinuous operation of the DAC2932, a full
power-down mode can reduce the power dissipation to as
little as 25碌W.
The DAC2932 is designed to operate with a single parallel
data port. While it alternates the loading of the input data
into separate input latches for both current output DACs
(I-DACs), the updating of the analog output signal occurs
simultaneously. The DAC2932 integrates a temperature
compensated 1.22V bandgap reference. The DAC2932
also allows for additional flexibility of using an external ref-
erence.
The DAC2932 is available in a TQFP-48 package.
D
Four 12-Bit Voltage Output DACs鈥攆or
D
Single +3V Operation
D
Very Low Power: 29mW
D
High SFDR: 75dB at f
OUT
= 5MHz
D
Low-Current Standby or Full Power-Down
Modes
D
Internal Reference
D
Optional External Reference
D
Adjustable Full-Scale Range: 0.5mA to 2mA
APPLICATIONS
D
Transmit Channels
鈭?I and Q
鈭?PC Card Modems: GPRS, CDMA
鈭?Wireless Network Cards (NICs)
Signal Synthesis (DDS)
Portable Medical Instumentation
Arbitrary Waveform Generation (AWG)
D
D
D
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright
錚?/div>
2003鈭?004, Texas Instruments Incorporated
www.ti.com

DAC2932PFBT 產(chǎn)品屬性

  • Data Converter Basics

  • 1

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器

  • -

  • 20ns

  • 12

  • 并聯(lián)

  • 2

  • 模擬和數(shù)字

  • 25mW

  • -40°C ~ 85°C

  • 表面貼裝

  • 48-TQFP

  • 48-TQFP（7x7）

  • Digi-Reel®

  • 4 電流，單極

  • 40M

  • 296-30852-ND - EVAL MODULE FOR DAC2932

  • 296-15714-6

DAC2932PFBT相關(guān)型號(hào)PDF文件下載

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  • 英文版
    2 - DIGIT BCD HIGH - SPEED MULTIPLYING D / A CONVERTER ( UNI...
    ETC [ETC]
  • 英文版
    Serial Digital to Analogue RGB/YUV
    ETC
  • 英文版
    Serial Digital to Analogue RGB/YUV
    ETC [ETC]
  • 英文版
    Serial Digital to Analogue RGB/YUV
    ETC
  • 英文版
    Serial Digital to Analogue RGB/YUV
    ETC [ETC]
  • 英文版
    Serial Digital to Analogue RGB/YUV
    ETC
  • 英文版
    Serial Digital to Analogue RGB/YUV
    ETC [ETC]
  • 英文版
    Analog IC
  • 英文版
    Dual, 12-Bit, 125MSPS DIGITAL-TO-ANALOG CONVERTER
    BB
  • 英文版
    Dual, 12-Bit, 125MSPS DIGITAL-TO-ANALOG CONVERTER
    BURR-BROWN ...
  • 英文版
    2 - DIGIT BCD HIGH - SPEED MULTIPLYING D / A CONVERTER ( UNI...
    ETC [ETC]
  • 英文版
    2 - DIGIT BCD HIGH - SPEED MULTIPLYING D / A CONVERTER ( UNI...
    ETC [ETC]
  • 英文版
    Serial Digital to Analogue RGB/YUV
    ETC
  • 英文版
    Serial Digital to Analogue RGB/YUV
    ETC [ETC]
  • 英文版
    Dual, 12-Bit, 125MSPS DIGITAL-TO-ANALOG CONVERTER
    BB
  • 英文版
    Dual, 12-Bit, 125MSPS DIGITAL-TO-ANALOG CONVERTER
    BURR-BROWN ...
  • 英文版
    DUAL 12-BIT DIGITAL-TO-ANALOG CONVERTER 12-bit port interfac...
    BB
  • 英文版
    DUAL 12-BIT DIGITAL-TO-ANALOG CONVERTER 12-bit port interfac...
    BURR-BROWN ...
  • 英文版
    DUAL 12-BIT DIGITAL-TO-ANALOG CONVERTER Serial Interface
    BB
  • 英文版
    DUAL 12-BIT DIGITAL-TO-ANALOG CONVERTER Serial Interface
    BURR-BROWN ...

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