AD5757 Quad Channel, 16-Bit, Serial Input, 4-20mA Output DAC, Dynamic Power Control, HART Connectivity

The AD5757 is a quad, current output DAC that operates with a power supply range from 10.8 V to 33 V. On-chip dynamic power control minimizes package power dissipation by regulat-ing the voltage on the output driver from 7.4 V to 29.5 V using a dc-to-dc boost converter optimized for minimum on-chip power dissipation. Dynamic power control for thermal management. 16-bit performance. Multichannel. HART Compliant.

Each channel has a corresponding CHART pin so that HART signals can be coupled onto the current output of the AD5757.

The part uses a versatile 3-wire serial interface that operates at clock rates up to 30 MHz and that is compatible with standard SPI, QSPI™, MICROWIRE™, DSP and microcontroller interface standards. The interface also features optional CRC-8 packet error checking as well as a watchdog timer that monitors activity on the interface.

Product Highlights
  • Dynamic power control for thermal management.
  • 16-bit performance.
  • Multichannel.
  • HART Compliant.

Applications
  • Process control
  • Actuator Control
  • PLC’s
  • HART Network Connectivity
Features and Benefits
  • 16-Bit Resolution and Monotonicity
  • Dynamic Power Control for Thermal Management
  • IOUT Range: 0ma-20ma, 4mA–20mA or 0mA–24mA
    ±0.05% TUE maximum
  • User programmable Offset and Gain
  • On Chip Diagnostics
  • On-Chip Reference (±10 ppm/°C typ)
  • −40°C to +105°C Temperature Range
  • Digital to Analog Converters
    Data Sheets
    Documentnote
    AD5757: Quad Channel, 16-Bit, Serial Input, 4 mA to 20 mA Output DAC, Dynamic Power Control, HART Connectivity Data Sheet (Rev. F)PDF 1184 kB
    Application Notes
    Documentnote
    AN-1289: Using the AD5755 and Similar Dynamic Power Control DACs in Applications Without Dynamic Power Control (Rev. 0)PDF 169 kB
    User Guides
    Documentnote
    UG-244: Evaluation Board for a Quad Channel, 16-Bit, Serial Input, 4 mA to 20 mA, Voltage Output DAC with Dynamic Power Control and HART Connectivity (Rev. C)PDF 709 kB
    Order Information
    Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
    AD5757ACPZ Production64 ld LFCSP (9x9mm, 7.10 exposed pad)OTH 260-40 to 105C16.6513.65Y
    AD5757ACPZ-REEL7 Production64 ld LFCSP (9x9mm, 7.10 exposed pad)REEL 750-40 to 105C013.65Y
    Reference Materials
    AD5757: 四通道、16位、串行输入、4-20 mA输出DAC提供动态电源控制和HART连接 (Rev. D) ad5757
    AD5757: Quad Channel, 16-Bit, Serial Input, 4 mA to 20 mA Output DAC, Dynamic Power Control, HART Connectivity Data Sheet (Rev. F) ad5757
    AD5757参考代码 ad5757
    AN-1289:在无动态功率控制的应用中使用AD5755和类似的动态功率控制DAC (Rev. 0) ad5755-1
    AN-1289: Using the AD5755 and Similar Dynamic Power Control DACs in Applications Without Dynamic Power Control (Rev. 0) ad5755-1
    UG-244: Evaluation Board for a Quad Channel, 16-Bit, Serial Input, 4 mA to 20 mA, Voltage Output DAC with Dynamic Power Control ad5755-1
    Digital to Analog Converters ICs Solutions Bulletin ad5590