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數據轉換器
數位轉類比轉換器 (DAC)
精密 DAC (≤10 MSPS)

DAC70508

現行

具精密內部參考且採用小巧 WCSP 封裝的真正 14 位元、8 通道、SPI、Vout DAC

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產品規格表

DAC70508

現行
產品規格表 立即訂購

產品詳細資料

Resolution (Bits) 14 Number of DAC channels 8 Interface type SPI Output type Buffered Voltage Settling time (µs) 5 Features Reset to Mid-Scale, Small Size Reference type Int Architecture R-2R Rating Catalog Output range (max) (mA/V) 5 Output range (min) (mA/V) 0 Sample/update rate (Msps) 1 Power consumption (typ) (mW) 33 Operating temperature range (°C) -40 to 125
Resolution (Bits) 14 Number of DAC channels 8 Interface type SPI Output type Buffered Voltage Settling time (µs) 5 Features Reset to Mid-Scale, Small Size Reference type Int Architecture R-2R Rating Catalog Output range (max) (mA/V) 5 Output range (min) (mA/V) 0 Sample/update rate (Msps) 1 Power consumption (typ) (mW) 33 Operating temperature range (°C) -40 to 125
DSBGA (YZF) 16 4.8125 mm² 1.75 x 2.75 WQFN (RTE) 16 9 mm² 3 x 3
  • Performance
    • INL: ±1 LSB Maximum at 16-Bit Resolution
    • TUE: ±0.1% of FSR Maximum
  • Integrated 2.5 V Precision Internal Reference
    • Initial Accuracy: ±5 mV Maximum
    • Low Drift: 2 ppm/°C Typical, DAC80508
  • High Drive Capability: 20 mA with 0.5 V from Supply Rails
  • Flexible Output Configuration
    • User Selectable Gain: 2, 1 or ½
    • Reset to Zero Scale or Midscale
    • Clear Output Function: DACx0508C
  • Wide Operating Range
    • Power Supply: 2.7 V to 5.5 V
    • Temperature Range: –40˚C to 125˚C
  • 50 MHz SPI Compatible Serial Interface
    • 1.7 V to 5.5 V Operation
    • Daisy Chain Operation
    • CRC Error Check
  • Low Power: 0.6 mA/Channel at 5.5 V
  • Small Packages:
    • 3 mm × 3 mm, 16-Pin WQFN
    • 2.4 mm x 2.4 mm, 16-Pin DSBGA
  • Performance
    • INL: ±1 LSB Maximum at 16-Bit Resolution
    • TUE: ±0.1% of FSR Maximum
  • Integrated 2.5 V Precision Internal Reference
    • Initial Accuracy: ±5 mV Maximum
    • Low Drift: 2 ppm/°C Typical, DAC80508
  • High Drive Capability: 20 mA with 0.5 V from Supply Rails
  • Flexible Output Configuration
    • User Selectable Gain: 2, 1 or ½
    • Reset to Zero Scale or Midscale
    • Clear Output Function: DACx0508C
  • Wide Operating Range
    • Power Supply: 2.7 V to 5.5 V
    • Temperature Range: –40˚C to 125˚C
  • 50 MHz SPI Compatible Serial Interface
    • 1.7 V to 5.5 V Operation
    • Daisy Chain Operation
    • CRC Error Check
  • Low Power: 0.6 mA/Channel at 5.5 V
  • Small Packages:
    • 3 mm × 3 mm, 16-Pin WQFN
    • 2.4 mm x 2.4 mm, 16-Pin DSBGA

The DACx0508 is a pin-compatible family of low power, eight-channel, buffered voltage-output, digital-to-analog converters (DACs) with 16-, 14- and 12-bit resolution. The DACx0508 includes a 2.5-V, 5-ppm/°C internal reference, eliminating the need for an external precision reference in most applications. A user selectable gain configuration provides full-scale output voltages of 1.25 V (gain = ½), 2.5 V (gain = 1) or 5 V (gain = 2). The device operates from a single 2.7-V to 5.5-V supply, is specified monotonic and provides high linearity of ±1 LSB INL.

Communication to the DACx0508 is performed through a serial interface that operates at clock rates up to 50 MHz. The VIO pin enables serial interface operation from 1.7 V to 5.5 V. The DACx0508 flexible interface enables operation with a wide range of industry-standard microprocessors and microcontrollers.

The DACx0508 incorporates a power-on-reset circuit that powers up and maintains the DAC outputs at either zero scale or midscale until a valid code is written to the device. The device consumes low current of 0.6 mA/channel at 5.5 V, making it suitable for battery-operated equipment. A per-channel power-down feature reduces the device current consumption to 15 µA.

The DACx0508 is characterized for operation over the temperature range of –40°C to 125°C and is available in small packages.

The DACx0508 is a pin-compatible family of low power, eight-channel, buffered voltage-output, digital-to-analog converters (DACs) with 16-, 14- and 12-bit resolution. The DACx0508 includes a 2.5-V, 5-ppm/°C internal reference, eliminating the need for an external precision reference in most applications. A user selectable gain configuration provides full-scale output voltages of 1.25 V (gain = ½), 2.5 V (gain = 1) or 5 V (gain = 2). The device operates from a single 2.7-V to 5.5-V supply, is specified monotonic and provides high linearity of ±1 LSB INL.

Communication to the DACx0508 is performed through a serial interface that operates at clock rates up to 50 MHz. The VIO pin enables serial interface operation from 1.7 V to 5.5 V. The DACx0508 flexible interface enables operation with a wide range of industry-standard microprocessors and microcontrollers.

The DACx0508 incorporates a power-on-reset circuit that powers up and maintains the DAC outputs at either zero scale or midscale until a valid code is written to the device. The device consumes low current of 0.6 mA/channel at 5.5 V, making it suitable for battery-operated equipment. A per-channel power-down feature reduces the device current consumption to 15 µA.

The DACx0508 is characterized for operation over the temperature range of –40°C to 125°C and is available in small packages.
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類型 標題 日期
* Data sheet DACx0508 Octal, 16-, 14-, 12-Bit, SPI, Voltage Output DAC with Internal Reference datasheet (Rev. D) PDF | HTML 2018年 8月 28日
Application brief High-Density DACs Offer Superior Noise And Accuracy for Laser Drive Applications 2018年 10月 2日
EVM User's guide DACx0508 Evaluation Module User's Guide (Rev. A) 2017年 10月 23日

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模擬型號

DACx0508 IBIS Model (Rev. D)

SLAM325D.ZIP (56 KB) - IBIS Model
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計算工具

ANALOG-ENGINEER-CALC — 類比工程師計算機

The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)
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模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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模擬工具

TINA-TI — 基於 SPICE 的類比模擬程式

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
使用指南: PDF
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