產品詳細資料

Resolution (Bits) 12 Number of DAC channels 1 Interface type SPI Output type Buffered Current, Buffered Voltage Settling time (µs) 10 Features Current Output, Low Power Reference type Ext, Int Architecture String Rating Catalog Output range (max) (mA/V) 24 Output range (min) (mA/V) 0 Sample/update rate (Msps) 0.04 Power consumption (typ) (mW) 135 Operating temperature range (°C) -40 to 125
Resolution (Bits) 12 Number of DAC channels 1 Interface type SPI Output type Buffered Current, Buffered Voltage Settling time (µs) 10 Features Current Output, Low Power Reference type Ext, Int Architecture String Rating Catalog Output range (max) (mA/V) 24 Output range (min) (mA/V) 0 Sample/update rate (Msps) 0.04 Power consumption (typ) (mW) 135 Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 24 49.92 mm² 7.8 x 6.4 VQFN (RHA) 40 36 mm² 6 x 6
  • Current output: 4 mA to 20 mA; 0 mA to 20 mA; 0 mA to 24 mA
  • Voltage output:
    • 0 V to 5 V; 0 V to 10 V; ±5 V; ±10 V
    • 0 V to 5.5 V; 0 V to 11 V; ±5.5 V; ±11 V (10% overrange)
  • ±0.1% FSR total unadjusted error (TUE) maximum
  • DNL: ±1 LSB maximum
  • Simultaneous voltage and current output
  • Internal 5-V reference (10 ppm/°C, maximum)
  • Internal 4.6-V power-supply output
  • Reliability features:
    • CRC check and watchdog timer
    • Thermal alarm
    • Open alarm, short current limit
  • Wide temperature range: –40°C to 125°C
  • Packages: 6-mm × 6-mm 40-pin VQFN and 24-pin HTSSOP
  • Current output: 4 mA to 20 mA; 0 mA to 20 mA; 0 mA to 24 mA
  • Voltage output:
    • 0 V to 5 V; 0 V to 10 V; ±5 V; ±10 V
    • 0 V to 5.5 V; 0 V to 11 V; ±5.5 V; ±11 V (10% overrange)
  • ±0.1% FSR total unadjusted error (TUE) maximum
  • DNL: ±1 LSB maximum
  • Simultaneous voltage and current output
  • Internal 5-V reference (10 ppm/°C, maximum)
  • Internal 4.6-V power-supply output
  • Reliability features:
    • CRC check and watchdog timer
    • Thermal alarm
    • Open alarm, short current limit
  • Wide temperature range: –40°C to 125°C
  • Packages: 6-mm × 6-mm 40-pin VQFN and 24-pin HTSSOP

The DACx760 are precision, fully integrated, 12-bit and 16-bit digital-to-analog converters (DACs) designed to meet the requirements of industrial process-control applications. These devices are programmable as a current output with a range of 4 mA to 20 mA, 0 mA to 20 mA, or 0 mA to 24 mA; or as a voltage output with a range of 0 V to 5 V, 0 V to 10 V, ±5 V, or ±10 V with a 10% overrange (0 V to 5.5 V, 0 V to 11 V, ±5.5 V, or ±11 V). Both current and voltage outputs can be simultaneously enabled while being controlled by one data register.

These devices include a power-on-reset function for powering up in a known state (both IOUT and VOUT are disabled and in a Hi-Z state). The CLR and CLR-SEL pins set the voltage outputs to zero-scale or midscale, and the current output to the low end of the range if the output is enabled. Zero and gain registers can be programmed to digitally calibrate the device in the end system. The output slew rate is also programmable by register. These devices can superimpose an external HART signal on the current output, and operate with either a single 10-V to 36-V supply, or dual supplies of up to ±18 V.

The DACx760 are precision, fully integrated, 12-bit and 16-bit digital-to-analog converters (DACs) designed to meet the requirements of industrial process-control applications. These devices are programmable as a current output with a range of 4 mA to 20 mA, 0 mA to 20 mA, or 0 mA to 24 mA; or as a voltage output with a range of 0 V to 5 V, 0 V to 10 V, ±5 V, or ±10 V with a 10% overrange (0 V to 5.5 V, 0 V to 11 V, ±5.5 V, or ±11 V). Both current and voltage outputs can be simultaneously enabled while being controlled by one data register.

These devices include a power-on-reset function for powering up in a known state (both IOUT and VOUT are disabled and in a Hi-Z state). The CLR and CLR-SEL pins set the voltage outputs to zero-scale or midscale, and the current output to the low end of the range if the output is enabled. Zero and gain registers can be programmed to digitally calibrate the device in the end system. The output slew rate is also programmable by register. These devices can superimpose an external HART signal on the current output, and operate with either a single 10-V to 36-V supply, or dual supplies of up to ±18 V.

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類型 標題 日期
* Data sheet DACx760 Single-Channel, 12- and 16-Bit Programmable Current and Voltage Output Digital-to-Analog Converters for 4-mA to 20-mA Current-Loop Applications datasheet (Rev. D) PDF | HTML 2021年 12月 7日
Application note A Basic Guide to the HART Protocol PDF | HTML 2023年 11月 9日
Application note Combined Voltage and Current Output with the DACx760 2014年 7月 24日
EVM User's guide DACx760EMC-EVM User's Guide 2014年 4月 24日
Application note Implementing HART™ Communication With the DAC8760 Family 2014年 1月 16日
EVM User's guide DACx760EVM and DACx750EVM User's Guide (Rev. A) 2013年 11月 21日

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支援軟體

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硬體開發
開發板
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SBAM177.ZIP (50 KB) - IBIS Model
計算工具

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參考設計

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電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
HTSSOP (PWP) 24 Ultra Librarian
VQFN (RHA) 40 Ultra Librarian

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